sentence: Most neural networks can tolerate if one or more of the processing cells fail.

sentences_before: It is modeled after the way the human brain works.

sentences_before: Several computing cells work in parallel to produce a result.

sentences_before: This is usually seen as one of the possible ways Artificial intelligence can work.

concept_name: neural network


repository: local

sentence: Pizza is a food based on bread.

sentences_before: Bread can be toasted or used to make sandwiches.

sentences_after: There are many different kinds of bread.

concept_name: pizza


sentence: Bread is an important part of life in many countries, because so many people eat it.

headings:
Bread
Types of bread

sentences_after: In many cultures, bread is so important that it is part of religious rituals.

concept_name: bread


sentence: Amnesia can be permanent, or it can be temporary.

headings: Amnesia Causes

sentences_after: Damage to the brain, or the use of certain drugs can cause amnesia.

sentences_after: Another well known cause for amnesia can be drinking too much alcohol.

sentences_after: Those kinds of causes are called 'organic', because they can been directly seen.

sentences_after: Other causes cannot directly be seen, they are called 'functional'.

concept_name: Amnesia


sentence: Many people climb Mt. Fuji every year.

headings:
Mount Fuji
Climbing

sentences_after: The summer during 25 July to 25 August is the official climbing season.

sentences_after: There are three mountain-climbing routes on the Shizuoka side of Mt. Fuji.

sentences_after: There is a post office on the top of Mt. Fuji which is open only in summer.

number: many

concept_name: people


sentence: Elbow strikes to the head and face.

headings:
PRIDE Fighting Championships
Fouls

concept_name: elbow


sentence: Most volcanoes have a volcanic crater at the top.

sentences_after: When they are active, materials pour out of it.

sentences_after: This includes lava, steam, gaseous compounds of sulphur, ash and broken rock pieces.

number: Most

concept_name: volcano


sentence: Shield volcanoes can produce huge areas of basalt, which is usually what lava is when cooled.

headings:
Volcano
Types of volcanoes
Shield volcanoes

sentences_before: Because the lava is so fluid, it spreads out, often over a wide area.

sentences_before: Shield volcanoes do not grow to a great height, and the layers of lava spread out to give the volcano gently sloping sides.

concept_name: shield volcano


sentence: Volcanoes are made when two tectonic plates come together.

headings:
Volcano
How volcanoes are formed


sentence: Cosmology is the name given to how the universe began and how it has developed.

sentences_before: As a whole, space is growing and the temperature is falling as time passes.

sentences_after: Scientists that study cosmology agree the Big Bang theory matches what they have observed so far.

concept_name: cosmology


sentence: Gonadotropins are hormones that tell the testicles to make sperm or the uterus to release an egg.

concept_name: gonadotropin


sentence: Rings are exchanged between the married couple, following which they kiss.

headings:
Wedding
Wedding customs in western societies
Ceremony

sentences_before: A traditional wedding ceremony in the western world usually consists of the couple exchanging vows before a government official such as a justice of the peace or a clergyperson such as a priest, minister, or pastor.

sentences_before: Nuns are not permitted to perform marriages.

concept_name: ring


sentence: Some people also add onions and cheese.

sentences_before: Enchilada' is a traditional Mexican dish.

sentences_before: The words comes from 'enchilar', which means 'add Chili peppers to something'.

sentences_before: The traditional enchilada sauce mainly consists of Chile peppers.

sentences_before: The basis for the enchilada is tortilla, made from maize.

number: some


sentence: Analytical chemistry looks at the qualities of substances, and their composition.

concept_name: analytical chemistry


sentence: Scientists can create it by combining plutonium with neutrons at very high speeds and temperatures.

sentences_before: It has an atomic number of 100, which makes it at position 100 at the periodic table.

concept_name: scientist


sentence: Males are bigger than females.

sentences_after: They can grow to be as long as 30 centimeters.

sentences_after: They eat other small animals and bird eggs, and can kill animals bigger than themselves.

sentences_after: They kill by biting the neck of their prey at the place where the skull attaches to the rest of the body, cutting the brain stem.

concept_name: male


sentence: Stoats are long and thin with short legs, small ears, and thick warm fur.

sentences_after: Their fur is brown, but changes to white in the winter.

sentences_after: The tail has a black tip all year round.

sentences_after: Stoats have a good sense of smell, and they talk and hunt using smell.

sentences_after: They do not see color as well as humans, but they can see better at night.

sentences_after: Stoats are not nocturnal, and are most active during dawn and dusk.

concept_name: stoat


sentence: Stoats have a good sense of smell, and they talk and hunt using smell.

sentences_before: Stoats are long and thin with short legs, small ears, and thick warm fur.

sentences_before: Their fur is brown, but changes to white in the winter.

sentences_before: The tail has a black tip all year round.

sentences_after: Like skunks, stoats can spray a bad smelling fluid when they are scared.


sentence: Stoats live in temperate, subarctic northern areas.

sentences_after: They live in parts of Europe, Asia, and North America.

sentences_after: They were also brought to New Zealand by people.

sentences_after: In New Zealand they are considered bad because they kill too many native animals.


sentence: Stoats live alone and are territorial.

sentences_after: They mate once a year and have several babies, which are called kits.

sentences_after: The kits may not develop for 8-9 months after the female becomes pregnant.

sentences_after: When weather conditions are good and there is plenty of food, the kits begin to grow and are born within a month.


sentence: More advanced operations involve exponents, starting with squares and square roots.

sentences_before: People who do algebra need to know the rules of numbers and mathematic operations used on numbers, starting with adding, subtracting, multiplying, and dividing.

sentences_after: Many of these rules can also be used on the variables, and this is where it starts to get interesting.

number: more

concept_name: advanced operation


sentence: Many math problems are about physics and engineering.

headings:
Algebra
Advanced Algebra

sentences_after: In many of these physics problems time is a variable.

sentences_after: Using the basic ideas in algebra can help reduce a math problem to its simplest form making it easier to solve difficult problems.

sentences_after: Energy is 'e', force is 'f', mass is 'm', acceleration is 'a' and speed of light is sometimes 'c'.

concept_name: math problem


sentence: Some radio antennas are in the shape of dishes.

concept_name: radio antenna


sentence: Hinges can be very large or very small.

sentences_after: Small hinges are used for jewelery boxes and other small things with lids.

sentences_after: Very large hinges have been used at the bottom of buildings, to let a building sit on loose soil or mud without breaking.

concept_name: hinge


sentence: Small hinges are used for jewelery boxes and other small things with lids.

concept_name: small hinge


sentence: Scientific instruments are objects used in science.

sentences_after: An example would be the test tubes, a telescope or a Bunsen burner.

concept_name: scientific instrument


sentence: Legal instruments are documents used to show certain legal things.

sentences_after: Examples include wills, contracts, and licenses.

concept_name: legal instrument


sentence: Vehicle instrument are used to show things about a car.

concept_name: vehicle instrument


sentence: Wine is a popular beverage in Italy.

sentences_after: Many Italians drink it with every meal and in-between, and offer it to guests as soon as they arrive.

concept_name: wine


sentence: Platelets are involved in hemostasis through the making of blood clots.

sentences_before: A 'platelet' is a cell fragment that circulates in the blood.

concept_name: platelet


sentence: Opera helps protect against computer viruses.

headings:
Opera (web browser)
Features

sentences_after: When accessing a certain page opera will warn the user beforehand that the site may impose a threat to their computer.

concept_name: opera


sentence: Orange trees have dark green shiny leaves and small white flowers with five petals.

sentences_before: Oranges are round orange-coloured fruit that grow on a tree which can reach 10 metres high.

sentences_after: The flowers smell very sweet which attracts many bees.

concept_name: orange tree


sentence: Oranges are an important food source in many parts of the world for several reasons.

sentences_after: They last longer than many other fruits when they are stored.

sentences_after: They are easy to transport because each orange comes in its own tough skin which acts as a container.

sentences_after: They can be piled into heaps or carried in bags, lunchboxes and shipping containers without being easily damaged.

concept_name: orange


sentence: Oranges are also a very good source of dietary fibre.

headings:
Orange (fruit)
History

sentences_before: Nowadays, many people of the world eat an orange or drink orange juice every day, because oranges are one of the best and cheapest sources of Vitamin C. Human bodies, unlike many other animals, do not manufacture Vitamin C, so a human needs vitamin C in their diet regularly.

sentences_after: But they do not contain high amounts of minerals.

sentences_after: If a person eats an orange and a banana together, then they have had a very nourishing snack that supplies both vitamins and minerals.


sentence: Orange trees are a symbol of love and marriage in many cultures.

headings:
Orange (fruit)
Traditions

sentences_after: Oranges are sometimes found in Renaissance paintings of married couples.


sentence: Orange blossoms are often part of the decoration on a wedding cake.

sentences_before: Brides traditionally wear orange blossoms in their hair or carry them in their bouquet at their wedding.

concept_name: orange blossom


sentence: Onions have bulbs, which are edible, in most species.

sentences_before: When people talk about onions, they usually mean 'garden onions'.

sentences_after: They have a strong flavour, and a very distinctive smell.

concept_name: onion


sentence: Pickled onions are eaten with chips or with salad.

headings:
Onion
How onions are eaten

sentences_before: Fried onions are often served with hot dogs.

sentences_after: Chopped onions are put in many stews and curries.

concept_name: pickled onion


sentence: Chopped onions are put in many stews and curries.

sentences_before: Pickled onions are eaten with chips or with salad.

concept_name: chopped onion


sentence: Onions are sometimes roasted whole.

sentences_before: Chopped onions are put in many stews and curries.


sentence: Nihilists believe that there are no true morals.

sentences_before: It is the belief that values are falsely invented.

sentences_before: The term nihilism can also be used to describe the idea that life, or the world, has no distinct meaning or purpose.

concept_name: nihilist


sentence: Nihilism is associated with postmodernism.

sentences_before: Apart from Nietzsche, a popular text which draws heavily on nihilism is the novel Crime and Punishment by Fyodor Dostoevsky.

concept_name: nihilism


sentence: Atherosclerosis is a form of heart disease.

headings:
Coronary heart disease
Atherosclerosis

sentences_after: This causes the arteries to become harder.

sentences_after: It also makes it more difficult for blood to flow through the arteries.

sentences_after: This can cause blood clots to form, blocking blood from traveling through the arteries.

sentences_after: Small pieces of plaque can also break off and block smaller blood vessels.

concept_name: atherosclerosis


sentence: Cuticles are usually tough but also bendable.

sentences_before: In biology, a 'cuticle' is something that covers the outside of living things called organisms.

sentences_after: In plants, cuticles in the leaves help it from losing too much water by evaporation.

concept_name: cuticle


sentence: Tourism is the biggest source of Corsican economy.

headings: Corsica Economy

sentences_after: The island has a pleasant climate, beautiful mountains and really beautiful coastlines that make it a popular destination among the French and other Western Europeans.

sentences_after: However, the island has not had the same level of intensive development as other parts of the Mediterranean.

sentences_after: Tourism is particularly concentrated in the area around Porto Vecchio and Bonifacio in the south of the island and Calvi in the northwest.

concept_name: tourism


sentence: Cheerleaders perform routines that include dancing, tumbling, cheering, stunting and jumping.

sentences_before: Because of the athletic ability often needed in cheerleading, many people think cheerleading is a sport.

sentences_after: Cheerleading teams can compete in competitions against other cheer teams as well as perform for different sporting events.

concept_name: cheerleader


sentence: Plants make nectar to attract pollinating animals.

sentences_before: It is very sweet because it has a lot of sugar in it.

sentences_after: The Nectaries are usually at the bottom of the perianth.

sentences_after: This means the animal trying to get the nectar have to touch the parts of the plant that are used for reproduction.

sentences_after: By doing this, the animal getting the nectar helps the plants reproduce.

sentences_after: Some plants make nectar outside the flower.

concept_name: plant


sentence: Some plants make nectar outside the flower.

sentences_before: Plants make nectar to attract pollinating animals.

sentences_before: The Nectaries are usually at the bottom of the perianth.

sentences_before: This means the animal trying to get the nectar have to touch the parts of the plant that are used for reproduction.

sentences_before: By doing this, the animal getting the nectar helps the plants reproduce.

sentences_after: These plants do it to attract predatory insects.

sentences_after: These insects will eat both the nectar and any plant-eating insects found near the plant.


sentence: Retrievers are very good in the water and often used by hunters shooting ducks.

headings:
Hunting dog
Types of hunting dogs
Retrievers

sentences_before: The main job of a retriever is to get the animal after the hunter shoots it.

concept_name: retriever


sentence: Pointers find birds then stand still and point at where the bird is.

headings:
Hunting dog
Types of hunting dogs
Pointers

sentences_after: They often are farther away from the hunter than a spaniel would be.

sentences_after: By pointing instead of flushing the bird out, they give the hunter time to get close enough to shoot the bird.

concept_name: pointer


sentence: Terriers are used to find the den or living space of the animal.

headings:
Hunting dog
Types of hunting dogs
Terriers

sentences_before: These dogs are almost always used to hunt mammals.

sentences_after: They will go into where the animal lives and either force it to run out or they will kill it.

sentences_after: Many of the animals hunted with terriers are animals that cause damage, for example, ground hogs, fox and badger.

concept_name: terrier


sentence: Curs are used in the same way as terriers but on larger animals.

headings:
Hunting dog
Types of hunting dogs
Cur types

concept_name: cur


sentence: Some dogs are bred to look special which is why poodles have fluffy hair.

concept_name: dog


sentence: Police officers patrol on trains and stations, and police posts are available at some stations.

headings:
MTR
Safety on the MTR

sentences_after: Closed-circuit television cameras are installed in stations.

concept_name: police officer


sentence: Passengers can stay connected underground.

headings: Station facilities, amenities and services

concept_name: passenger


sentence: Octopus card is a contact-less smart card.

headings:
MTR
Fares and tickets

concept_name: octopus card


sentence: Employers interview people trying to get a job to find out if they are a good person for the job.

sentences_before: An 'interview' is a conversation where somebody is trying to get information from another person.

sentences_before: The person asking questions is called the 'interviewer' and the person answering questions is called the 'interviewee'.

sentences_before: Police interview suspects and witnesses to a crime to try and find out what happened.

sentences_after: Researchers might use an interview to ask people to find how they feel about a certain issue.

sentences_after: Interviews are often used in journalism to get information that can be used for stories on news shows or in newspapers.

concept_name: employer


sentence: Dry cells are used in many electrical appliances.

sentences_before: Dry cells' are a type of chemical cells.

sentences_before: Dry cells are commonly used today, in the form of batteries.

concept_name: dry cell


sentence: Secondary cells are rechargeable.

headings:
Dry cell
Types of dry cells

concept_name: secondary cell


sentence: Toasted bread is both darker in color and crunchier than normal bread.

sentences_before: Toast' is bread which has been grilled until hot and crispy either using a toaster, a grill or rarely a flamethrower.

concept_name: toasted bread


sentence: Swiss cheese is famous for having holes.

concept_name: swiss cheese


sentence: People keep many animals for food.

sentences_before: Because people farm intensively in order to grow more crops, the soil becomes dry and infertile.

sentences_after: However, the grass cannot support so many grazing animals.

sentences_after: Finally the desert spreads towards the surrounding areas.

concept_name: People


sentence: Modern kayaks come in a wide variety of designs and materials for specialized purposes.

sentences_before: A 'kayak' is a small boat that is driven by manpower.

sentences_before: It typically has a covered deck, and a cockpit covered by a spraydeck.

sentences_before: It is propelled by a double-bladed paddle by a sitting paddler.

sentences_before: The kayak was used by the native Ainu, Inuit,  Aleut and Eskimo hunters in sub-Arctic regions of northeastern Asia, North America and Greenland.

concept_name: modern kayak


sentence: Canoes are pointed at both ends and usually open on top, but can be covered.

sentences_before: A 'canoe' is a small boat, that is often driven by manpower or womanpower, but also commonly sailed.

sentences_after: The most famous of rowers include the Szwedo of Luke in which he was the first man to complete 4 laps the woodend river in less than 3 days, beating the record of 4 laps in 4 days.

concept_name: canoe


sentence: Paddlers face in the direction of travel, either seated or kneeling.

sentences_after: In this way paddling a canoe can be contrasted with rowing, where the rowers face away from the direction of travel.

concept_name: paddler


sentence: Oars have a flat blade at one end.

sentences_before: An 'oar' is a tool used to move a boat through water.

sentences_after: The oarsmen grasp the oar at the other end.

sentences_after: The difference between oars and paddles is that paddles are held by the paddler, and are not connected with the vessel.

sentences_after: Oars generally are fastened to the vessel.

concept_name: oar


sentence: Oars generally are fastened to the vessel.

sentences_before: The oarsmen grasp the oar at the other end.

sentences_before: The difference between oars and paddles is that paddles are held by the paddler, and are not connected with the vessel.


sentence: Larger ships have several masts, with the size depending on the style of ship.

sentences_before: The 'mast' of a sailing ship is a tall vertical pole which supports the sails.

concept_name: larger ship


sentence: Shorts are worn either as outer garment or as underwear.

sentences_before: Shorts' are a type of trousers or pants that reach only to the upper part of the legs or more, but do not cover the entire leg.

concept_name: short


sentence: Computers work in binary.

concept_name: computer


sentence: All computers use binary at the lowest level.

headings: Binary Computers

sentences_after: Most computer storage, like compact discs and DVDs, use binary to represent large files.

number: all


sentence: Sugar is added.

headings:
Azuki bean
Recipe
Azuki bean jam

sentences_before: The azuki are put in the pan and covered with a lid.

sentences_before: The azuki beans are steamed and then heat is turned off.

sentences_before: After steaming you have azuki bean mash, which is then dried on a cloth.

sentences_before: The next step is putting them back in a pan to bring to a hot temperature.

sentences_before: The azuki are taken out of the pan which is hot from flame.

sentences_after: The sugar and azuki are mixed and the water from the azuki is left.

sentences_after: When the beans are cold, it is finished.

concept_name: sugar


sentence: Moats are deep, wide ditches filled with water.

sentences_after: They were usually built near sources of water that flowed into the moats, filling them with water.

sentences_after: The moats were filled with water for a few reasons.

sentences_after: It made enemies swimming across the moat easy targets.

sentences_after: It also made it impossible for enemies to dig underneath the castle walls, which was a common method of attack.

sentences_after: It also prevented fires from destroying the castle.

concept_name: moat


sentence: Filters are very common in e-mail systems.

headings:
Filter (internet)
Where filters are used

sentences_after: Online games, usually children's games, sometimes have filters.

concept_name: filter


sentence: Utility poles are usually wooden, but vary greatly from nation to nation.

sentences_after: In some countries, for example the UK, poles have sets of brackets arranged in a standard pattern up the pole to act as hand and foot holds for those working on the equipment or connections atop the pole.

concept_name: utility pole


sentence: Clementines are easy to peel and have no seeds.

sentences_before: A 'clementine' is a type of citrus fruit.

sentences_before: They have a diameter of about 3 to 5 inches.

sentences_after: They are grown in California, and are usually available from November to January.

concept_name: clementine


sentence: Clementines are popular in the winter months.

sentences_after: They are usually found in wooden crates in the supermarket.

sentences_after: A popular clementine brand is called Cuties.


sentence: Olive oil is the juice made by crushing olives.

sentences_before: It is an important food crop in Italy, Spain and especially in Greece among other countries around the Mediterranean.

sentences_after: In Christianity, too, it is seen as a symbol of peace, because according to the Bible, a dove brought an olive branch to Noah to show that the flood was over.

concept_name: olive oil


sentence: Shingles can be very painful and itchy.

headings:
Herpes zoster
Prognosis

sentences_after: It is not very dangerous to healthy people, and it usually ends without major problems.

concept_name: shingle


sentence: Active drivers are in 'bold'.

headings: List of Formula One World Drivers' Champions

concept_name: active driver


sentence: Active drivers are in 'bold'.

headings: Most Drivers' Championships won in a row


sentence: Almonds are sold either shelled  or unshelled.

sentences_before: The fruit of the almond has an outer hull and a hard shell with the seed or nut inside.

sentences_before: Shelling almonds means removing the shell to get the seed.

concept_name: almond


sentence: Light interference causes many colors to appear.

headings:
A Brief History of Time
Summary
Chapter 4

concept_name: light interference


sentence: Light waves have 'crests' and 'troughs'.

sentences_after: The highest point of a wave is the crest, and the lowest part of the wave is a trough.

sentences_after: Sometimes more than one of these waves can  with each other - the crests and the troughs line up.

sentences_after: When light waves interfere with each other, this can make many colors.

sentences_after: An example of this is the colors in soap bubbles.

concept_name: light wave


sentence: Black holes are stars that have collapsed into one very small point.

headings:
A Brief History of Time
Summary
Chapter 6

sentences_before: Black holes are talked about in this chapter.

sentences_after: This small point is called a 'singularity'.

sentences_after: Black holes suck things into its center because its gravity is very strong.

sentences_after: Some of the things it can suck in are light and stars.

sentences_after: Only very large stars, called 'supergiants', are big enough to become a black hole.

sentences_after: The star must be one and a half times the mass of the sun or larger to turn into a black hole.

concept_name: black hole


sentence: Some black holes are perfectly spherical - like a ball.

sentences_after: Black holes will be spherical if they do not rotate.

sentences_after: Black holes will bulge in the middle if they rotate.


sentence: Some butchers also kill the animals the meat is from.

sentences_before: A 'butcher' is person whose job is to prepare and sell meat.

sentences_after: Butchers also prepare sausages, and other meat-products.

concept_name: butcher


sentence: Butchers also prepare sausages, and other meat-products.

sentences_before: Some butchers also kill the animals the meat is from.


sentence: Columns can be either a single piece or several pieces put together.

sentences_before: A 'column' in architecture is a vertical element that transmits the weight of the structure above to the structure below.

sentences_after: Columns are frequently used to support beams or arches on which the upper parts of walls or ceilings rest.

concept_name: column


sentence: Fraternal twins are twice as common.

sentences_before: Research shows that the frequency of monozygotic twinning is one in 240 births.

concept_name: fraternal twin


sentence: Identical twins are natural clones.

headings:
Identical twins
Twin research

sentences_after: Because they start out with the same genes, they can be used to investigate how much heredity contributes to individual people.

concept_name: identical twin


sentence: Identical twins are normal in a few species.

headings:
Identical twins
Twins in animals

sentences_before: Twinning is normal in many mammals, such as rats, cats, dogs.

sentences_after: The nine-banded armadillo, 'Dasypus novemcinctus', gives birth to identical quadruplets.

sentences_after: 458', p826.Newman H.H. Patterson J.T. 1909.


sentence: Tangerines are smaller and easier to peel than common oranges.

sentences_before: A 'tangerine' is citrus fruit related to the mandarin orange.

concept_name: tangerine


sentence: Cantaloupes are a source of polyphenol antioxidants.

headings: Cantaloupe Nutrition

sentences_after: These are chemicals which were thought to provide certain health benefits to the cardiovascular and immune systems by regulating the formation of nitric oxide.

sentences_after: Nitric oxide is a key chemical in promoting health of the endothelium and prevention of heart attacks.

sentences_after: However, recent research has indicated they do not benefit the body.

sentences_after: The body already has ways to deal with oxidation.

concept_name: cantaloupe


sentence: Dirty cantaloupes can spread bacteria.

sentences_after: The bad cantaloupes were traced back from around the country to a single farm in Colorado.

concept_name: dirty cantaloupe


sentence: Banks allow borrowers and lenders of different sizes to meet.

headings:
Finance
Some simple finance ideas

sentences_before: A bank is where many people borrowing money meet people lending money.

sentences_before: A bank gets money from lenders, and pays interest.

sentences_before: The bank then lends this money to borrowers.

concept_name: bank


sentence: Corporate finance is  about things like the sale of stock by a company to the public.

sentences_after: Stock is ownership in a company, broken up into pieces.

sentences_after: The stock gives whoever owns it part ownership in that company.

concept_name: corporate finance


sentence: Stock is ownership in a company, broken up into pieces.

sentences_before: Corporate finance is  about things like the sale of stock by a company to the public.

concept_name: stock


sentence: Finance is used by people, by governments, by businesses, etc., as well as by all kinds of groups.

concept_name: finance


sentence: Business finance is about finding money for a company's activities.

headings:
Finance
Business finance

sentences_after: It studies trying to make more profit than loss, and taking good risks for the chance to make more money.

concept_name: business finance


sentence: Financial maths is the study of maths for financial markets.

headings:
Finance
Financial maths

sentences_after: Financial maths studies mathematics, mainly statistics.

concept_name: financial math


sentence: Some examples are 'dingo' and 'kangaroo'.

headings:
Australian English
Words

sentences_before: A few words have come from Australian Aboriginal languages.

sentences_before: These are mainly names for animals, plants and places.

concept_name: example


sentence: Australian spelling is generally very similar to British spelling.

headings:
Australian English
Spelling

concept_name: australian spelling


sentence: Cells are the 'building blocks' of life, and cell division is a basic feature of life.

sentences_after: For simple unicellular organisms like amoeba, one cell division reproduces the entire organism.

sentences_after: On a larger scale, cell division can create offspring from multicellular organisms, such as plants that grow from cuttings.

sentences_after: But most importantly, cell division enables organisms that are able to sexually reproduce to develop from the one-celled fertilised egg zygote.

sentences_after: After growth, cell division allows for continual renewal and repair of the organism.

sentences_after: And binary fission is where a cell splits in two.

concept_name: cell


sentence: Systems can be real things, like a car's engine.

sentences_after: But systems can also be things made by persons to organize ideas, groups, people, and anything else.

sentences_after: A subsystem is a little system within a big system.

concept_name: system


sentence: Gymnosperms bear naked seeds on cones or open structures.

sentences_before: Together with the gymnosperms they make up the seed plants.

sentences_before: They are different from the gymnosperms because angiosperms bear flowers, and have enclosed ovules.

concept_name: gymnosperm


sentence: Many stars are part of a system with two or more stars.

sentences_before: A 'binary star' is two stars which orbit around each other.

sentences_before: For each star, the other is its 'companion star'.

sentences_after: The brighter star is called the 'primary star', and the other is the secondary.

concept_name: star


sentence: Some spectroscopic binaries have an orbit that is edge-on to Earth.

headings:
Binary star
Eclipsing binaries

sentences_after: When this happens, the stars will take turns passing in front of and eclipsing the partner star, in what is called an 'eclipsing binary'.

sentences_after: In this case, the amount of light we see from the double dims slightly during the time one star is in front of the other.

concept_name: spectroscopic binary


sentence: Most binaries are 'detached binaries'.

headings:
Binary star
System properties
Detached binaries

sentences_after: Except for their gravitational pull on one another, they have no effect on each other.

concept_name: binary


sentence: Linear algebra uses a system of notation for describing system behavior, called a matrix.

sentences_after: For the previous example, the coefficients of the equations can be stored in a coefficient matrix.

concept_name: linear algebra


sentence: Trees grow in some of the tundra.

sentences_before: In physical geography, 'tundra' is an area where the tree growth is hindered by low temperatures and short growing seasons.

sentences_before: In all of these types, the plants are mostly grass, moss, and lichens.

sentences_after: The boundary between the tundra and the forest is known as the tree line or timberline.

sentences_after: The area itself encircles the Arctic Ocean of the Northern Hemisphere.

sentences_after: The climate in a tundra biome consists of freezing cold and dryness in the winter and cold summers.

sentences_after: The tundra ground is a barren place, often covered with rocks.

sentences_after: Most water on the tundra is frozen within the soil.

concept_name: tree


sentence: Plants called cushions grow in tight clumps in the tundra, but lichens are the dominant plants.

sentences_before: The tundra ground is a barren place, often covered with rocks.

sentences_before: Most water on the tundra is frozen within the soil.

sentences_before: The permanent frozen soil is called permafrost.

sentences_before: Permafrost and fierce winds prevent large trees from growing deep roots.

sentences_before: Plants in the tundra are small and grow close to the ground.

sentences_after: The few trees that do grow on the tundra are dwarf willows and birch.

concept_name: plant


sentence: Lichens cover the rocks.

sentences_before: Plants called cushions grow in tight clumps in the tundra, but lichens are the dominant plants.

concept_name: lichen


sentence: Trees grow shorter until they simply stop growing.


sentence: People see individual particles of water move.

concept_name: People


sentence: Tropical cyclones form in tropical ocean areas, and some move from there into the temperate zone.

sentences_after: Tropical plants and animals are native to the tropics.

concept_name: tropical cyclone


sentence: Most deserts are semi-arid, arid or hyperarid, with the exception of Antarctica.

concept_name: desert


sentence: Cytokines work by signal transduction.

sentences_after: Each cytokine has a matching cell-surface receptor.

sentences_after: Then cascades of signals inside the cell changes cell functions.

sentences_after: This may include the regulation of several genes, the production of other cytokines, or an increase in surface receptors for other molecules.

concept_name: cytokine


sentence: Monocots have one seed leaf.

sentences_before: Magnoliopsida' or 'dicotyledons' is the name of  a class of plants in taxonomy.

sentences_before: It is the biggest group of flowering plants.

sentences_before: Seedlings in this group have two seed leaves.

concept_name: monocot


sentence: Time is a very important factor.

sentences_after: Each minute that passes before the onset of the CPR measures lowers the chance of survival by about ten percent.

sentences_after: In European countries, emergency services take about eight minutes or more to arrive, once they have been alerted.

sentences_after: A victim's survival therefore largely depends on the presence and quick action of other people present.

sentences_after: A quick call to emergency services, and a quick start of basic CPR, especially fibrillation can double to triple the chance of survival with adults, and children.

concept_name: time


sentence: Logarithmic spirals are common in nature.

headings: Logarithm Uses

sentences_after: Examples include the shell of a nautilus or the arrangement of seeds on a sunflower.

concept_name: logarithmic spiral


sentence: Musical intervals are measured logarithmically as semitones.

sentences_after: Fractional semitones are used for non-equal temperaments.

sentences_after: For microtuning to other tuning systems, a logarithmic scale is defined filling in the ranges between the semitones of the equal tempered scale in a compatible way.

sentences_after: This scale corresponds to the note numbers for whole semitones.

concept_name: musical interval


sentence: Fractional semitones are used for non-equal temperaments.

sentences_before: Musical intervals are measured logarithmically as semitones.

concept_name: fractional semitone


sentence: Scientists can work faster using a slide rule than using a logarithm table.

headings: Logarithm tables, slide rules, and historical applications

sentences_before: Numbers are marked on sliding scales at distances proportional to the differences between their logarithms.

sentences_before: Sliding the upper scale appropriately amounts to mechanically adding logarithms.

sentences_before: For example, adding the distance from 1 to 2 on the lower scale to the distance from 1 to 3 on the upper scale yields a product of 6, which is read off at the lower part.

sentences_before: Many engineers and scientists used slide rules until the 1970s.

concept_name: scientist


sentence: Cities are indicated in 'bold'.

sentences_before: This is a link page for towns and cities in England.

sentences_before: In England, Wales and Northern Ireland, a town is any settlement which has received a charter of incorporation, more commonly known as a town charter, approved by the monarch.

concept_name: city


sentence: Many people visit London as tourists.

sentences_before: However, London also has many immigrants.

sentences_before: These people come from many different countries.

sentences_before: They speak many different languages and have different religions and cultures.

sentences_before: There are also many people from different countries who stay in London on business.

sentences_after: These sights include palaces, churches and museums.

concept_name: people


sentence: Transpiration also cools plants and enables the flow of mineral nutrients from roots to shoots.

sentences_before: It happens because the plant opens its pores in order to get carbon dioxide gas from the air for photosynthesis.

concept_name: transpiration


sentence: Many radio stations send out both kinds of signals.

sentences_after: AM may be used for talk shows, and FM for music.

sentences_after: FM broadcasting usually includes a difference signal, which can cause two different speakers at home to create different sounds.

concept_name: radio station


sentence: Bees make honey from nectar that they collect from flowers.

sentences_before: A 'honeycomb' is a container made by bees out of wax that they produce.

sentences_before: The bees make a honeycomb as a place to keep their honey.

sentences_after: After bees collect nectar from flowers, and make it into honey, the bees then put the honey in the small six sided areas of the honeycomb.

sentences_after: Each hexagonal section tessellates with the rest.

concept_name: bee


sentence: Some people eat honey that is still in the honeycomb.

headings: Honeycomb Uses

sentences_before: Honeycomb wax can be used for making soap and candles.


sentence: Some musicians have a sense of 'absolute pitch' or 'perfect pitch'.

sentences_after: This means that they always know what note is being played, even without comparing it to another note.

sentences_after: Having a sense of absolute pitch does not necessarily make someone a good musician, although it can be very useful.

concept_name: musician


sentence: Some people use the soursop fruit or leaves as a medicine.

sentences_after: Although the fruit contains sugars and a lot of vitamins, it may not be good to eat a lot of it.

sentences_after: Scientists think that the soursop may make some people ill.


sentence: Sebaceous glands are involved in skin problems such as oily skin, acne, and keratosis pilaris.

headings:
Sebaceous gland
Diseases

sentences_after: The prescription medicine isotretinoin significantly reduces the amount of sebum produced by the sebaceous glands, and is used to treat acne.

concept_name: sebaceous gland


sentence: Microorganisms are critical to nutrient recycling in ecosystems, because they act as decomposers.

sentences_after: Because some microorganisms can also take nitrogen out of the air, they are an important part of the nitrogen cycle.

sentences_after: Pathogenic, or harmful, microbes can invade other organisms and cause disease.

concept_name: microorganism


sentence: Meerkats live in holes in the ground called burrows.

headings:
Meerkat
How meerkats act

sentences_after: They are active during the day, and they also live in large family groups.

sentences_after: The group is led by a female and a male.

sentences_after: Sometimes if a minor member is in trouble with the leader it will groom the leader to try and calm them down.

concept_name: meerkat


sentence: Males sometimes leave the group for a short time to look for females in other groups to mate with.

sentences_before: Despite the family bond of meerkats, sometimes a female might kill another female's pups.

sentences_before: The leader might also kick out some females from the group.

frequency: sometimes

concept_name: male


sentence: Meerkats have many different chirps that they use for different reasons.

sentences_after: They have a different chirp for being friends, anger, and for warning of an animal that will eat them.


sentence: Many animals eat meerkats.

headings:
Meerkat
Eating behavior

sentences_before: When the meerkat group is eating, a guard will stand up and look for any animals that might eat its family.

sentences_before: If the guard sees an animal, it gives a loud chirp and the family will run to a hole to be safe.

sentences_after: Most eagles, hawks, and falcons will eat them.

sentences_after: Jackals and other big animals that eat meat will sometimes eat meerkats.

concept_name: animal


sentence: Meerkats also have ears that can open and close.

headings:
Meerkat
The meerkat body

sentences_after: They close in order to keep sand out when they are burrowing.


sentence: Meerkats can have one to seven babies at one time.

headings:
Meerkat
Having children

sentences_before: The meerkat is old enough to have children at one year.

sentences_after: Meerkats can give birth at any time of the year but like to give birth in spring and summer because there is more food.

sentences_after: Female meerkats can have up to three litters in one year.

sentences_after: When the babies are born they are pink and have no hair.


sentence: Female meerkats can have up to three litters in one year.

sentences_before: Meerkats can have one to seven babies at one time.

sentences_before: Meerkats can give birth at any time of the year but like to give birth in spring and summer because there is more food.

sentences_after: When they are three weeks old, the mother allows them to get out of the burrow.

sentences_after: By this time their eyes and ears have opened and they have light brown fur.

sentences_after: The babies cannot be left alone so one of the other meerkats besides the mother stays behind to watch them.

concept_name: female meerkat


sentence: Tapeworms live inside the intestines of vertebrate animals.

sentences_before: They are parasitic, which means that they need another larger creature as a host.

sentences_after: When a vertebrate has a tapeworm, they may lose weight and become weaker.

concept_name: tapeworm


sentence: Tapeworms are hermaphrodite, with both sexes.

sentences_after: Cross-fertilization occurs between two tapeworms in the same intestine.

sentences_after: They have a life cycle with a secondary or intermediate host.

sentences_after: For example, human tapeworms have cows or pigs as intermediate hosts.


sentence: Players usually decide what to increase by what character class they are.

headings:
Diablo II
Gameplay
Leveling

sentences_before: Each character gets 5 points each level to increase their attributes.

sentences_after: Necromancers and Sorceresses tend to get more Energy than Strength and Defense, while Barbarians and Paladins tend to get the opposite.

frequency: usually

concept_name: player


sentence: Many players choose only one part of the skill tree to train in.

sentences_before: Each character gets 1 skill point each level to spend on a particular skill.

sentences_after: That is the only one they put their skill points into.

sentences_after: Others put their points into more than 1 of the skill trees listed above per character.


sentence: Humans are omnivores, because they eat meat as well as vegetable matter.

sentences_after: People who eat mostly plants are usually called vegetarians.

concept_name: human


sentence: Botany is a scientific study of plants along with their growth, structure, and uses.

sentences_before: Botanists' are scientists who study plants, including flowering plants, and plant-like things such as moss and seaweed.

sentences_after: Botany can also refer to the study of the evolution of plant life.

concept_name: Botany


sentence: Botany can also refer to the study of the evolution of plant life.

sentences_before: Botany is a scientific study of plants along with their growth, structure, and uses.


sentence: C major is called the 'relative major' of A minor.

concept_name: c major


sentence: Many people agree that the longer version is much better than the shortened chronological version.


sentence: Most states create slogans to help tourism.

sentences_after: These slogans are sometimes put on state license plates.

concept_name: state


sentence: Folksongs are often 'modal'.

sentences_before: Some composers in recent centuries have enjoyed using the ancient modes from time to time in their music.

sentences_after: Greensleeves is an example of a well-known tune which is modal.

concept_name: folksong


sentence: Meat is an important part of the diet of many people because it contains protein.

sentences_after: Protein helps the growth and healing of a body and gives energy.

sentences_after: People who cannot afford meat, or who do not like to eat it need to find other ways to get enough protein in their diet.

sentences_after: Beans and certain nuts are also high in protein.

sentences_after: People that choose not to eat meat are called vegetarians, and those who do not eat any animal product are known as vegans.

concept_name: meat


sentence: Protein helps the growth and healing of a body and gives energy.

sentences_before: Meat is an important part of the diet of many people because it contains protein.

concept_name: protein


sentence: Red meat is darker-coloured meat, different from white meat such as chicken or fish.

concept_name: red meat


sentence: Some raw meat can make humans sick.

sentences_before: Red meat is darker-coloured meat, different from white meat such as chicken or fish.

concept_name: raw meat


sentence: Limes are small, round and bright green.

sentences_after: If they stay on the tree for a long time they turn yellow.

concept_name: lime


sentence: Lime juice is used in cooking and in drinks.

sentences_after: Lime oils are often used in perfumes, used for cleaning, and used for aromatherapy.

concept_name: lime juice


sentence: Lime tastes acidic and bitter.


sentence: Kinship can be a complex system of social groups.

headings: Kinship Kinship

sentences_before: Kinship tells us how we are related to our family or each other, through our biology and history.

sentences_after: It is a universal system as everyone has a family.

concept_name: kinship


sentence: Many religions also use the amount of consanguinity to define acceptable practices.

headings: Kinship Types

sentences_before: Consanguinity' means to be related by blood.

sentences_before: Laws in some countries use the amount of consanguinity between two people.

sentences_before: For instance, deciding who is allowed to be married.

sentences_before: It can also be used to decide who can receive property after death if there is no will.

concept_name: religion


sentence: Some studies are plans for whole paintings.

headings:
Leonardo da Vinci
Life
Drawings

sentences_before: In these drawings Leonardo planned the things he was going to paint.

sentences_after: One of these paintings is the large beautiful drawing of the Madonna and Child with St Anne and St John the Baptist that is now in the National Gallery, London.

concept_name: study


sentence: Fireworks redirects here.

concept_name: firework


sentence: Some fireworks are ground-based, and others are shot into the air.

sentences_after: Because they explode and can cause fires or burns, most countries have laws that only allow trained professionals to use display fireworks.

sentences_after: Smaller, less explosive fireworks are available to regular, everyday people, but they are still dangerous and cause injuries each year.


sentence: Demand can vary by season, time of day, etc.

headings:
Service (economics)
Key attributes

sentences_after: For example a restaurant may be busy at dinner time but not in the middle of the afternoon.

concept_name: demand


sentence: Most service provision requires a high degree of interaction between client and service provider.

concept_name: service provision


sentence: Platinum is very stable.

sentences_before: Platinum is very malleable and ductile, which means it can be hammered into thin sheets and it can be pulled into wire.

concept_name: platinum


sentence: Many people know about it, and it is being copied.

headings:
Lissa Explains it All
History
Problems

concept_name: people


sentence: Bunk beds help families with small apartments or houses to have enough beds for their children.

headings:
Bunk bed
Use in homes

sentences_before: Bunk beds are often used in children's rooms.

sentences_before: Since bunk beds allow a family to put two beds in the space of a single bed, bunk beds save space.

concept_name: bunk bed


sentence: Many military organizations use bunk beds.

headings: Use in institutions and public facilities

sentences_before: Bunk beds are often used in institutions such as prisons.

sentences_before: As well, they are often used in public facilities such as homeless shelters and bomb shelters.

sentences_before: Bunk beds are also used in firehalls, to give firefighters a place to sleep.

sentences_after: Navy ships and submarines use bunk beds for the sailors to sleep in.

sentences_after: Army barracks sometimes have bunk beds for soldiers.

concept_name: military organization


sentence: Some ski lodges have bunk beds in their rooms.

headings:
Bunk bed
Use in camps and hostels

sentences_before: Hostels, a type of inexpensive hotel for travelers, often have bunk beds.

concept_name: ski lodge


sentence: Most people hire a photographer for their wedding or other special events.

sentences_before: A 'photographer' is a person who takes pictures, or 'photographs' with a camera.

sentences_before: A person is an 'amateur photographer' if they take the pictures for their own use, or a 'professional photographer' if it is their job to take pictures.


sentence: Minerals are different from rocks.

headings:
Minerals
Characteristics of minerals
Minerals and rocks

sentences_after: A mineral is a chemical compound with a given composition and a defined crystal structure.

sentences_after: A rock is a mixture of one or several minerals, in varying proportions.

concept_name: mineral


sentence: Minerals are formed by natural processes.

headings:
Minerals
Characteristics of minerals
Formed in nature

sentences_after: A few substances with the same chemical composition as minerals can be produced by living creatures as part of their shells or bones.

sentences_after: The shells of molluscs are composed of either calcite or aragonite, or both.


sentence: Minerals form in many ways.

sentences_after: The mineral halite, which is used as table salt, forms when water evaporates in a hot, shallow part of the ocean, leaving behind the salt it contained.

sentences_after: Many types of minerals are made when molten rock, or magma cools and turns into a solid.

sentences_after: Talc, a mineral that can be used to make baby powder, forms deep in Earth as high pressure and temperature causes changes in solid rock.


sentence: Volume refers to the amount of space an object takes up.

headings:
Minerals
Characteristics of minerals
Solid

sentences_after: For example a golf ball has a smaller volume than a baseball, and a baseball has a smaller volume than a basketball.

concept_name: volume


sentence: Diamonds are extremely hard and have a brilliant sparkle.

headings:
Minerals
Physical properties
Crystal structure

sentences_before: Each mineral has its own type of crystal structure.

sentences_before: In some cases, two minerals have the same chemical composition but different crystal structures.

sentences_before: But the arrangements of the carbon atoms in these two minerals are not the same, so they have different crystal structures and very different properties.

concept_name: diamond


sentence: Scientists can classify minerals into groups on the basis of their chemical makeup.

headings:
Minerals
Chemical properties
Definite chemical makeup

sentences_after: Though there are thousands of different minerals, only about 30 are common in Earth's crust.

sentences_after: These 30 minerals make up most rocks in the crust.

sentences_after: For that reason, they are called rock-forming minerals.

concept_name: scientist


sentence: Sulphates also occur where hot waters are forced through the rock, as with geysers.

headings:
Minerals
Chemical properties
Definite chemical makeup
Sulphates

sentences_before: Sulphates commonly form in evaporites where highly salty waters slowly evaporate, allowing sulfates and halides to precipitate where the water evaporates.

concept_name: sulphate


sentence: People use minerals for many everyday purposes.

headings:
Minerals
Some uses of minerals

sentences_after: Every time people turn on a microwave oven or a TV, minerals are being used.

sentences_after: The copper in the wires that carry electricity to the object is a mineral.

sentences_after: Table salt or halite, is another mineral that people use in their everyday life.

concept_name: People


sentence: Gold is used in jewelry.

concept_name: gold


sentence: Deduction is a special way of thinking to discover and prove new truths using old truths.

sentences_before: Mathematicians solve problems by using logic.

sentences_after: To a mathematician, the reason something is true is just as important as the fact that it is true.

sentences_after: Using deduction is what makes mathematical thinking different from other kinds of thinking.

concept_name: deduction


sentence: Some areas of mathematics study the structure that an object has.

headings: Mathematics About Structure

concept_name: area of mathematics


sentence: Some areas of mathematics study the shapes of things.

headings: Mathematics About Shape


sentence: Some areas of mathematics study the way things change.

headings: Mathematics About Change


sentence: Polyphonic music is always in several parts.

sentences_before: A group of singers who are all singing the tune together are singing in 'unison'.

sentences_before: If they divide into soprano, alto, tenor and bass, they are singing in four parts.

sentences_before: The sopranos may be singing the tune and the altos, tenors and basses are providing the harmony underneath.

concept_name: polyphonic music


sentence: Silver is a soft metal.

headings:
Silver
Properties
Physical properties

sentences_after: When it is used in money or in jewellery, it is often mixed with gold or some other metal to make it harder.

sentences_after: It is a very good conductor of electricity.

concept_name: silver


sentence: Nitric acid dissolves it, though, to make silver nitrate.

headings:
Silver
Properties
Chemical properties

sentences_before:
It is not reactive.
It does not dissolve in most acids.

sentences_after: It does react with strong oxidizing agents like potassium dichromate or potassium permanganate.

sentences_after: It only corrodes when there is hydrogen sulfide in the air.

sentences_after: Then, it forms a black coating known as tarnish.

concept_name: nitric acid


sentence: Silver compounds can be brown, black, yellow, gray, or colorless.

concept_name: silver compound


sentence: Silver compounds are disinfectants.

sentences_before: Silver compounds can be brown, black, yellow, gray, or colorless.


sentence: Silver is also in chemical compounds.

headings: Silver Occurrence

sentences_before: Silver can be found with copper, lead, or gold in rocks.

sentences_before: The rocks are found mostly in Canada, Mexico, Peru, and the United States.

sentences_after: Acanthite is a silver ore that is a silver compound.


sentence: Silver is extracted from the earth in several ways.

headings: Silver Preparation

sentences_after: It is normally extracted using electrolysis.


sentence: Silver is used as a catalyst.

headings:
Silver
Uses
As an element

sentences_before: Silver has been used for many thousands of years by people all over the world, for jewellery, as money, and many other things.

sentences_before: It is called a white metal even though it looks grey.

sentences_before: The word 'silver' is also used to talk about this colour or shade of grey.

sentences_before: It may be used to fill teeth in dentistry as an amalgam.


sentence: Silver compounds are disinfectants.

headings:
Silver
Uses
In compounds

sentences_after: It can kill bacteria and has other useful properties.

sentences_after: They are also used in photographic film.

sentences_after: They can also be used to reduce odors in clothes.

sentences_after: Some silver compounds are used in creams that help burns heal.


sentence: Some silver compounds are used in creams that help burns heal.

sentences_before: It can kill bacteria and has other useful properties.

sentences_before: They are also used in photographic film.

sentences_before: They can also be used to reduce odors in clothes.


sentence: Silver compounds are toxic.

headings: Silver Safety

sentences_after: Colloidal silver, a common homeopathic remedy, is not toxic in normal amounts, but it does not do much.


sentence: Some bipolar people have depression and mania at the same time.

sentences_before: It was called 'manic depression' because people who have this illness are sometimes manic and at other times have depression.

concept_name: bipolar people


sentence: Mania is when a person's brain goes into a high-energy state.

headings:
Bipolar disorder
Symptoms

sentences_before: Sometimes, a person can experience something called mania.

sentences_after: The other extreme is a low-energy state that is depression.

sentences_after: When in a high-energy state, mania can cause extreme emotions such as panic attacks or extreme happiness such as euphoria.

concept_name: Mania


sentence: Light therapy is one of several approaches to treating bipolar disorder.

headings:
Bipolar disorder
Treatment

concept_name: light therapy


sentence: Clocks go forward one hour.

headings:
March
Events in March
Moveable events

concept_name: clock


sentence: Clocks go forward one hour.

sentences_before: European Summer Time begins on the last Sunday in March.


sentence: Some notebooks also have a printed calendar.

sentences_before: A notebook is a collection of sheets of paper, bound as a book or leaflet.

sentences_before: It can be used to make notes and to draw things.

concept_name: notebook


sentence: Dissociation is a symptom.

headings:
Dissociative identity disorder
Definitions

sentences_after: Most people experience normal dissociation, where they stop paying attention to what is happening around them.

sentences_after: People with DID have pathological dissociation, which is much more serious.

sentences_after: It involves problems with memory and attention that make it hard for people to work, shop and have relationships with other people.

sentences_after: Everyone can dissociate but some people can do it much more easily and to an extreme that can be unhealthy.

concept_name: dissociation


sentence: People can report having a lot of alters, or just a couple.

headings:
Dissociative identity disorder
Signs and symptoms

sentences_before: Also, the symptoms cannot be caused by drugs or normal childhood play.

sentences_after: Most people diagnosed with DID have less than ten, though some have said they have several thousand.

sentences_after: A person diagnosed with DID cannot be diagnosed with another dissociative disorder.

sentences_after: Because people with DID hear voices of different alters, it may be confused with schizophrenia.

sentences_after: However, the two problems are very different and doctors can usually tell if a patient has DID or schizophrenia by asking the right questions.

sentences_after: DID is always diagnosed by what patients tell their doctors and what the doctor thinks this means.


sentence: Many mice have two buttons and a scroll wheel.

concept_name: mouse


sentence: Most mice have two or three buttons to click.

headings:
Computer mouse
Uses

sentences_before: The right mouse button is used to open menus that are different depending on where the cursor is.

sentences_before: The other mouse buttons can do different things, depending on the software.


sentence: Employers offer wages or a salary to the workers in exchange for the worker's work or labor.

sentences_before: An 'employer' is a person or institution that hires employees or workers.

concept_name: employer


sentence: Nobodies have no emotions, but want to have hearts again.

headings:
Kingdom Hearts II
Story

sentences_before: After Roxas disappears, Sora wakes up and becomes the new player character.

sentences_before: Donald and Goofy also wake up, and the three of them continue their mission to find Riku.

sentences_before: As they search for him, they meet the rest of the members of Organization XIII and learn that they are beings called Nobodies.

sentences_before: When a Heartless steals someone's heart, that person also becomes a Heartless, but if their heart is strong, their body becomes a Nobody.

sentences_after: Xemnas, the leader of Organization XIII, is trying to summon Kingdom Hearts, which he claims will enable the Nobodies to get their hearts back.

sentences_after: To summon Kingdom Hearts, Heartless must be killed with a Keyblade, which will release the hearts they hold and let them return to Kingdom Hearts.

sentences_after: This is the reason the Organization wanted Sora to join them.

concept_name: nobody


sentence: Children are affected by it the most.

headings:
Final Fantasy VII: Advent Children
Story

sentences_before: The movie is set two years after 'Final Fantasy VII' ended.

sentences_after: The hero of the story, Cloud Strife, has become infected by it.

concept_name: child


sentence: Copper is poured on naked flame which burns off sulfur and other impurities, leaving raw copper.

headings: How to make metals -or- get metals from rocks

sentences_after: An electric current is led in the pool, and all copper will gather on the electrode called cathode.

concept_name: copper


sentence: Metallurgists work to make the metal good when they are used.

headings:
Metallurgy
Metal parts

sentences_before: Another part of metallurgy is making parts from metals.

sentences_before: These parts must be made so they will not break when they are used.

sentences_after: The metallurgist must follow directions when making the part to know what metal to use.

sentences_after: Choosing a good metal is sometimes hard.

concept_name: metallurgist


sentence: Steel has a low cost, but rusts.

sentences_before: Metallurgists work to make the metal good when they are used.

sentences_before: The metallurgist must follow directions when making the part to know what metal to use.

concept_name: steel


sentence: Parts are made from ingots different ways.

headings:
Metallurgy
Making metal parts

sentences_before: A metal starts as a block, called an ingot.

sentences_before: Metallurgists must know how to make a metal part from an ingot.

sentences_after: When a big hammer is used, it is called forging.

sentences_after: To make thin metals, a metal is put between two rolls and moved, called rolling.

concept_name: part


sentence: Metallurgists use many tools to know what to do to the metal.

headings:
Metallurgy
How to know what to do to the metal

sentences_after: The microscope gives much information about the way the metal moves.

sentences_after: Metals are sometimes pulled until they break.

sentences_after: Some useful information can be gotten from this test.


sentence: Ownership is needed for the development of the capitalist socio-economic system.

sentences_after: The concept of ownership has existed for thousands of years and in all cultures.

concept_name: ownership


sentence: Oral law is spoken, as opposed to statutory law, which is written down.

sentences_before: An 'oral law' are rules of human behavior in use in a given culture, religion or other group, which is transmitted by oral tradition and respected.

sentences_after: Like customary law, oral laws depend not on legislation passed by a government, but rather tradition, custom and precedent.

concept_name: oral law


sentence: Some cultures consider nose hair coming out from the nostrils to be ugly.

sentences_after: A number of devices have been sold to trim the nose hair, including small rotary clippers and attachments for electric shavers.

sentences_after: However, given the role of nasal cilia, many doctors recommend trimming them lightly, if at all.

sentences_after: There is evidence that the movement in the ciliar slows down with age.

sentences_after: This may be the reason that old people have more respiratory infections.

concept_name: culture


sentence: Tourists can experience how the building sways on a windy day.

headings:
Willis Tower
The Skydeck

sentences_before: The Sears Tower observation deck, called the Skydeck, opened on June 22, 1974.

sentences_before: It is located on the 103rd floor of the tower.

sentences_after: They can see far over the plains of Illinois and across Lake Michigan to Indiana, Michigan and Wisconsin on a clear day.

sentences_after: Elevators take tourists to the top in about 60 seconds.

sentences_after: This allows tourists to feel the pressure change as they rise up.

concept_name: tourist


sentence: Beetles lift their elytra out of the way in order to fly.

headings:
Beetle
Beetle bodies
Wings

sentences_before: Beetles differ from other flying insects because their front wings have evolved into hard covers, or elytra.

sentences_before: They are thin and are kept under the elytra when at rest.

sentences_after: A few species of true bugs have a similar arrangement.

concept_name: beetle


sentence: All beetles have six legs.

headings:
Beetle
Beetle bodies
Legs

sentences_before: The legs of beetles help them to walk, run, swim, and dig.

sentences_after: The parts on the end of each leg are called tarsi.

sentences_after: Most beetles use their legs to walk or run.

sentences_after: Some beetle legs are flat and have long hairs on them.

sentences_after: These kinds of legs are found on water beetles.


sentence: Most beetles use their legs to walk or run.

sentences_before: The parts on the end of each leg are called tarsi.

sentences_after: Beetles that often dig in soil have flat legs with spines or horns at the edges.

sentences_after: Flat legs with horns are called fossorial legs.

sentences_after: A few beetles have large hind legs, similar to those of grasshoppers, which help the beetle to jump.


sentence: Flea beetles are an example of jumping beetle.

sentences_before: Some beetle legs are flat and have long hairs on them.

sentences_before: These kinds of legs are found on water beetles.

sentences_before: Beetles that often dig in soil have flat legs with spines or horns at the edges.

sentences_before: Flat legs with horns are called fossorial legs.

sentences_before: A few beetles have large hind legs, similar to those of grasshoppers, which help the beetle to jump.

concept_name: flea beetle


sentence: Some antennae are long and thin, while others are short and wide.

headings:
Beetle
Beetle bodies
Sight and smell

sentences_before: Because beetles have no nose, they use their antennae to smell things.

sentences_before: Beetles also use their antennae to feel things around them.

sentences_before: Some beetles use their antennae to fight other beetles or even to fight larger animals that want to eat them.

sentences_before: Beetle antennae do not all look the same.

sentences_after: Thin antennae are called filiform antennae, and antennae that are wide on the end are called clavate antennae.

concept_name: antenna


sentence: Most beetles have two hard mandibles at the front of their mouth which are a bit like teeth.

headings:
Beetle
Beetle bodies
The mouth

sentences_before: The mouth of a beetle is very different from the mouth of a person.

sentences_after: Mandibles help the beetle eat by crushing and cutting food.

sentences_after: In some beetles, the mandibles look like big pincers.


sentence: Mandibles help the beetle eat by crushing and cutting food.

sentences_before: Most beetles have two hard mandibles at the front of their mouth which are a bit like teeth.

concept_name: mandible


sentence: Beetles start out as eggs that a female beetle lays.

headings:
Beetle
How beetles grow

sentences_after: Some beetles can lay thousands of eggs during their lives.

sentences_after: Most beetle larvae do not look like adult beetles.

sentences_after: A beetle larva eats and grows larger until it changes and becomes a pupa.

sentences_after: When the pupa opens, an adult beetle, sometimes called an imago, comes out.


sentence: Some beetles can lay thousands of eggs during their lives.

sentences_before: Beetles start out as eggs that a female beetle lays.

sentences_after: This way of growing up is called complete metamorphosis.


sentence: Beetles eat the most when they are larvae.

sentences_after: Some beetle larvae are predators, which means they hunt for other insects to eat.

sentences_after: Other beetle larvae eat dead things, such as dead plants and dead animals.


sentence: Beetles are tough animals for their size.

headings:
Beetle
What beetles do
Protection

sentences_after: These include camouflage, mimicry, toxicity, and active defence.


sentence: Some beetles live in places that are hard for predators to find.

sentences_after: Some beetles, such as longhorn beetles, live in tunnels inside tree branches.

sentences_after: Only special predators that are small enough to use the long-horned beetle tunnels can eat the longhorn beetles.


sentence: Some beetles have very complex colours so that they look like bird droppings.

sentences_before: Other beetles do not live in special places but they have colours or shapes that make them hard to find.

sentences_before: When beetles have colours so that predators cannot see them, this is called camouflage.

sentences_before: Some leaf beetles are green so that they can not be seen when they are on green leaves.


sentence: Some beetles have black and yellow stripes so that they look similar to bees and wasps.

sentences_after: Some beetles even behave similar to bees to confuse predators.


sentence: Some beetles even behave similar to bees to confuse predators.

sentences_before: Some beetles have black and yellow stripes so that they look similar to bees and wasps.


sentence: Beetles have a wide range of chemical defences, mostly got from plants their larvae eat.

sentences_after: These chemicals make them taste bad when predators eat them.

sentences_after: Bombardier beetles squirt hot poisonous liquid at attackers.

sentences_after: Lady beetles put out a cyanide compound when molested.

sentences_after: Lady beetles also have colours that warn predators that they taste bad.

sentences_after: Insects which taste foul use warning colours which birds learn to avoid.


sentence: Beetles have sexual reproduction, which means males and females mate in order to make offspring.

headings:
Beetle
What beetles do
Reproduction


sentence: Some beetles give special care to their eggs or larvae.

sentences_after: When the eggs hatch, the larvae will eat the dung that their mother supplied for them.


sentence: Weevils eat plants.

headings:
Beetle
Kinds of beetles
Common families

concept_name: weevil


sentence: Rove beetles eat other insects.

concept_name: rove beetle


sentence: People call some beetles by other names.

headings:
Beetle
Kinds of beetles
Common families
Popular names

concept_name: People


sentence: Some beetles cause trouble for farmers and people in forests because they eat crops or trees.

headings:
Beetle
Beetles and people

sentences_after: One that destroys trees is the Emerald ash borer.


sentence: Many species are omnivores, they eat anything they can find.

sentences_after: Most of the time this is small insects, and some plants and fungi.

concept_name: specie


sentence: Most species have a single pair of eyes in the middle of their heads, oriented horizontally.

headings: Opiliones Anatomy

sentences_after: However, there are some eyeless species.


sentence: Crane flies look similar to large mosquitoes.

sentences_before: Crane flies' are a type of fly in the family 'Tipulidae'.

sentences_after: Unlike mosquitoes, crane flies do not bite people or animals.

concept_name: crane fly


sentence: Females have larger abdomens in comparison to the males.

headings:
Crane fly
What they look like

sentences_before: Adult crane flies have very long legs and a long, thin abdomen.

sentences_before: It is very easy to accidentally break off their delicate legs when catching crane flies.

sentences_before: Their thin legs and  abdomen may help them to escape from birds who try to eat them.

sentences_after: The female abdomen also ends in a pointed ovipositor that looks a bit like a stinger.

concept_name: female


sentence: Leatherjackets can sometimes cause damage to plants.

headings:
Crane fly
How crane flies live

sentences_after: Because of this, people sometimes think crane flies are a pest of lawn grass in some areas.

concept_name: leatherjacket


sentence: Some leatherjackets are aquatic.

sentences_before: Leatherjackets can sometimes cause damage to plants.

sentences_before: Because of this, people sometimes think crane flies are a pest of lawn grass in some areas.


sentence: Many birds eat crane flies.

concept_name: bird


sentence: People disagree about the history of Chamberlain.

headings:
Neville Chamberlain
Death

sentences_after: Some people think that his actions were wrong because he did not stop Hitler.

sentences_after: Other people say that he gave Britain and France more time to get ready for war.


sentence: Atoms are very small, but the exact size changes depending on the element.

sentences_before: An 'atom' is the basic unit that makes up all matter.

sentences_before: There are many different types of atoms, each with its own name, mass and size.

sentences_before: These different types of atoms are called chemical elements.

sentences_before: The chemical elements are organized on the periodic table.

sentences_before: Examples of elements are hydrogen and gold.

sentences_after: Atoms range from 0.1 to 0.5 nanometers in width.

sentences_after: One nanometer is around 100,000 times smaller than the width of a human hair.

sentences_after: This makes atoms impossible to see without special tools.

sentences_after: Equations must be used to see the way they work and how they interact with other atoms.

concept_name: atom


sentence: Exceptions are rare, but they do happen and are difficult to predict.

headings:
Atom
Structure and parts
Electrons

sentences_before: Around the nucleus some electrons are further out than others.

sentences_before: In most atoms the first shell has two electrons, and all after that have eight.

sentences_after: The further away the electron is from the nucleus, the weaker the pull of the nucleus on it.

sentences_after: This is why bigger atoms, with more electrons, react more easily with other atoms.

concept_name: exception


sentence: Alpha decay is when the atom shoots out a particle having two protons and two neutrons.

headings:
Atom
Radioactive decay

sentences_after: The result is an element with atomic number two less than before.

sentences_after: Alpha decay happens when an atom is too big and needs to get rid of some mass.

concept_name: alpha decay


sentence: Alpha decay happens when an atom is too big and needs to get rid of some mass.

sentences_before: Alpha decay is when the atom shoots out a particle having two protons and two neutrons.

sentences_before: The result is an element with atomic number two less than before.


sentence: Beta decay is when a neutron turns into a proton or a proton turns into a neutron.

sentences_after: The end result is an element with one higher or one lower atomic number than before.

sentences_after: Beta decay happens when an atom has either too many protons, or too many neutrons.

concept_name: beta decay


sentence: Beta decay happens when an atom has either too many protons, or too many neutrons.

sentences_before: Beta decay is when a neutron turns into a proton or a proton turns into a neutron.

sentences_before: The end result is an element with one higher or one lower atomic number than before.


sentence: Some wings have panels on the back called flaps.

headings:
Fixed-wing aircraft
Parts
Wings

sentences_after: Flaps can be extended to make the wing bigger.

sentences_after: This makes the wing make more lift, but also more drag.

sentences_after: This lets the plane fly slower without stalling, so flaps are often used during takeoff and landing.

concept_name: wing


sentence: Some planes also have no tail, like the flying wing design.

headings:
Fixed-wing aircraft
Parts
Tail

sentences_before: Some planes have more than one tail, like the Antonov An-225.

concept_name: plane


sentence: Engines push the plane forward.

headings:
Fixed-wing aircraft
Parts
Engines

sentences_after: This makes sure that air goes over the wings, which makes the plane fly.

sentences_after: Some fixed-wing aircraft, such as gliders, don't have engines.

sentences_after: Instead they use gravity to give them forward speed.

concept_name: engine


sentence: Some aircraft keep in the sky by moving air over their wings.

sentences_after: Examples are aeroplanes, helicopters, and gliders.

sentences_after: Some aircraft keep in the sky by floating.

concept_name: aircraft


sentence: Examples are aeroplanes, helicopters, and gliders.

sentences_before: Some aircraft keep in the sky by moving air over their wings.

concept_name: example


sentence: Some aircraft keep in the sky by floating.

sentences_before: Examples are aeroplanes, helicopters, and gliders.


sentence: Examples are balloons and airships.

sentences_before: Some aircraft keep in the sky by floating.


sentence: Most aircraft use engine power.

sentences_after: Examples are aeroplanes, helicopters, and airships.


sentence: Examples are aeroplanes, helicopters, and airships.

sentences_after:
A few aircraft use no power.
Examples are gliders and balloons.


sentence: Examples are gliders and balloons.

sentences_before: Examples are aeroplanes, helicopters, and airships.


sentence: Airliners are the quickest way to travel.

sentences_before: Big aeroplanes for transporting people are called 'airliners'.

sentences_before: Now airliners need less than seven hours to travel across the Atlantic Ocean.

sentences_after: Airliners can fly over mountains and bad weather.

sentences_after: Airliners have complex technology to make them fly quickly, safely, and for less money.

concept_name: airliner


sentence: Airliners can fly over mountains and bad weather.

sentences_before: Airliners are the quickest way to travel.


sentence: Adults use flashes of light to attract mates.

sentences_after: Also, firefly larvae flash their lights to warn predators that they are not a tasty meal.

sentences_after: Many predators do not like the taste of firefly larvae.

concept_name: adult


sentence: All fireflies glow as larvae.

headings: Firefly Function

sentences_after: Bioluminescence serves a different function in lampyrid larvae than it does in adults.

sentences_after: It appears to be a warning signal to predators, since many firefly larvae contain chemicals that are distasteful or toxic.

concept_name: firefly


sentence: Bioluminescence serves a different function in lampyrid larvae than it does in adults.

concept_name: bioluminescence


sentence: Fireflies are a classic example of an organism that uses bioluminescence for sexual selection.

sentences_before: Light in adult beetles was originally thought to used for similar warning purposes, but its main purpose is now thought to be mate selection.


sentence: Fireflies like to live in damp areas and dry areas.

headings: Firefly Habitat

sentences_before: Fireflies live in tropical climates in the United States, Latin America, Caribbean Island, and South East Asia.

sentences_after: Examples of damp areas are rain forests, streams, marshes, ponds and leaf piles.

sentences_after: Examples of dry areas are backyards and meadows.


sentence: Most species live in marshes or near water, because there their larvae have more than enough food.

concept_name: specie


sentence: Males are winged.

sentences_before: They feed on millipedes and other animals they find in the soil and litter.

sentences_after: They are probably short-lived and do not feed at all.

sentences_after: In some species, adult males can also produce light.

sentences_after: Females have organs that produce a green or yellow light on their trunks.

concept_name: male


sentence: Females have organs that produce a green or yellow light on their trunks.

sentences_before: They are probably short-lived and do not feed at all.

sentences_before: In some species, adult males can also produce light.

concept_name: female


sentence: Many people work for the government or in tourism.

sentences_before: Over 350,000 people live in the Victoria area.

sentences_after: It is warmer than other Canadian cities in the winter, so many Canadians move there when they retire.

concept_name: people


sentence: Speculation is one of the market roles in western financial markets.

sentences_after: The others are hedging, long term investing and arbitrage.

sentences_after: Speculators do not plan to keep an asset for a long time.

concept_name: speculation


sentence: Quarterbacks are members of the offense, or attacking team.

sentences_after: They line up directly behind the center, in the middle of the offensive team's line.

sentences_after: A quarterback is usually the leader, and starts most plays.

sentences_after: In addition, the quarterback gives commands to the other players before the start of a play.

sentences_after: A quarterback will in most attacking plays throw the ball to a member of their team, ready to run to the end of the pitch.

sentences_after: Quarterbacks may also run the ball themselves, as well as hand the ball to a runningback.

concept_name: quarterback


sentence: Canals usually connect lakes, rivers, or oceans.

sentences_before: In the 1800s and 1900s, canals were built as a way of transporting heavy goods in barges.

sentences_after: The Panama Canal is a famous canal that connects the Atlantic Ocean with the Pacific Ocean.

sentences_after: They are inforced with clay or concrete on the sides.

concept_name: canal


sentence: Some canals allow boats to pass.

sentences_before: Canals usually connect lakes, rivers, or oceans.


sentence: Humans are the only animals which wear clothing.

sentences_after: Clothing is made from many materials, such as cotton, wool, or polyester fabrics and leather.

sentences_after: In cold climates, people also wear heavy, thick coats such as trenchcoats.

concept_name: human


sentence: Clothing is made from many materials, such as cotton, wool, or polyester fabrics and leather.

sentences_before: Humans are the only animals which wear clothing.

concept_name: clothing


sentence: Young people have an entirely different form of dress to express their personalities.

sentences_before: For many people, clothing is a status symbol.

sentences_before: Often, clothing is a form of self expression.

sentences_before: Adults in different social or work situations present different views of themselves by the clothes they wear.

sentences_after: Often people will simply follow popular fashion styles so that they will fit in.

sentences_after: Clothing is far more than just a means to protect our bodies.

concept_name: young people


sentence: Clothing is far more than just a means to protect our bodies.

sentences_before: Young people have an entirely different form of dress to express their personalities.

sentences_before: Often people will simply follow popular fashion styles so that they will fit in.


sentence: Some information comes from studying lice.

headings:
Clothing
Origin of clothing

sentences_before: There is no easy way to be sure when clothing was first developed.

sentences_after: The body louse lives in clothing, and diverged from head lice about 107,000 years ago.

concept_name: information


sentence: Every pixel has a color and all the pixels together are the picture.

sentences_before: On the monitor of a computer, a pixel is usually a square.

number: every

concept_name: pixel


sentence: Some examples are large public clocks, but others are instruments for use inside buildings.

sentences_before: An 'astronomical clock' is a clock with special mechanisms and dials to display astronomical information.

sentences_before: It displays the relative positions of the sun, moon, zodiacal constellations, and sometimes major planets.

sentences_after: Astronomical watches are made by several manufacturers.

concept_name: example


sentence: Astronomical watches are made by several manufacturers.

sentences_before: Some examples are large public clocks, but others are instruments for use inside buildings.

concept_name: astronomical watch


sentence: Shoes come in pairs, with one shoe for each foot.

concept_name: shoe


sentence: Slippers are a kind of indoor shoe.

sentences_before: Their main purpose is to make running, walking, or jogging easier by making the weight of the shoe lighter and the sole of the shoe softer.

sentences_before: There are worn in business and ceremonial functions.

sentences_after: The shoes with a high heel which women wear are called pumps.

concept_name: slipper


sentence: Rubber boots are used in rainy day.

concept_name: rubber boot


sentence: People usually wear shoes in public.

sentences_after: They are worn for hygiene, style, and comfort.

concept_name: People


sentence: Footwear allows people to walk on rough surfaces such as gravel roads without hurting their feet.

sentences_before: Footwear' is an item of clothing made by humans that covers and protects the foot, including the soles of the feet.

sentences_after: Some types of footwear such as boots help to keep people's feet dry, or help to keep people's feet warm in cold weather.

concept_name: footwear


sentence: Shoes are a type of footwear that protects the foot and the soles of the feet.

headings:
Footwear
Types of Footwear

sentences_after: Shoes are made of many different types of materials, such as leather, fabric, and plastic.


sentence: Shoes are made of many different types of materials, such as leather, fabric, and plastic.

sentences_before: Shoes are a type of footwear that protects the foot and the soles of the feet.


sentence: People working in professions such as business, law, and politics wear dress shoes.

sentences_before: Dress shoes are normally made from dark-colored leather that is shined using shoe polish.

sentences_after: People working in restaurants or retail stores may also wear dress shoes.


sentence: Sandals are worn in warm countries, such as the Philippines and Cuba.

sentences_before: Sandals are a type of footwear that consists of a covering for the sole of the feet and straps or ties which hold the sandal onto the foot.

sentences_after: Sandals are also worn indoors in some places, such as in saunas.

concept_name: sandal


sentence: Sandals are also worn indoors in some places, such as in saunas.

sentences_before: Sandals are worn in warm countries, such as the Philippines and Cuba.


sentence: Boots are higher and larger than shoes and sandals.

concept_name: boot


sentence: Rain boots protect a person's feet from water and rain.

sentences_after: People who work on fishing boats and farmers wear rubber boots to keep their feet dry.

sentences_after: People who work in chemical factories wear rubber boots to protect their feet from dangerous chemicals.

concept_name: rain boot


sentence: Some work boots have a flat piece of steel in the sole to protect the foot from sharp nails.

sentences_before: Work boots often have a steel toe cover to protect the person's toes.

sentences_before: Work boots are usually made of strong leather, to protect the person's foot from sharp objects or dangerous chemicals.

sentences_after: Many countries require construction workers to wear work boots when they are on a construction site.

concept_name: work boot


sentence: Many countries require construction workers to wear work boots when they are on a construction site.

sentences_before: Some work boots have a flat piece of steel in the sole to protect the foot from sharp nails.

concept_name: country


sentence: People working in professions such as business, law, and politics wear dress socks.

sentences_after: People working in restaurants or retail stores may also wear dress socks.


sentence: Many people wear footwear that is made in a factory.

headings:
Footwear
How footwear is made
In a factory

sentences_after: The machines in shoe factories and boot factories can make footwear much more quickly than people who are making footwear by hand with a needle and thread.

concept_name: people


sentence: Jazz music combines African-American music with European music.

concept_name: jazz music


sentence: Raw materials are made into other things.

sentences_before: They are in the form in which they are found in nature without any thing done to them.

concept_name: raw material


sentence: Pasta comes in many different shapes and sizes.

sentences_before: It is usually eaten in sauce, fried or in soup.

sentences_before: Pasta is usually made from either wheat flour or rice flour, but it can be made with other types of flour.

concept_name: pasta


sentence: Cookies are made in an oven.

sentences_before: A 'cookie' is a sweet dessert made from flour.

sentences_after: They are also called biscuits in many English-speaking countries.

sentences_after: In the United States and Canada, many varieties of biscuit are called cookies as well.

concept_name: cooky


sentence: Most cookies are flat and round like a disc.

headings: Cookie Description

sentences_after: Cookies often have flavors added to them, like spices, chocolate, butter, peanut butter, nuts or dried fruits.

sentences_after: Today, many people think of cookies with warmth and love.

sentences_after: Cookies may be used like chocolate and candy as a reward when children do good deeds.


sentence: Most cookies are very sweet.

sentences_before: Most cookies are flat and round like a disc.

sentences_before: Cookies often have flavors added to them, like spices, chocolate, butter, peanut butter, nuts or dried fruits.


sentence: Chocolate chips are most common in cookies.

sentences_before: They are used to make desserts, usually in baking.

sentences_after: Chocolate chips are also used in some cakes and other desserts.

concept_name: chocolate chip


sentence: Coffee contains a chemical called caffeine, a mild drug that keeps people awake.

sentences_before: The drink is made from the seeds of the coffee plant, called coffee beans.

sentences_before: Coffee is usually served hot, and is a popular drink in many countries.

concept_name: coffee


sentence: Coffee is turned into a drink in several different ways.

headings:
Coffee
Preparing coffee
Grinding

sentences_before: The coffee mill breaks the beans into very small pieces.

sentences_after: Finely ground coffee makes a stronger taste.


sentence: Coffee is made into a drink by putting the coffee into boiling water.

headings:
Coffee
Preparing coffee
Brewing


sentence: Coffee contains the drug caffeine.

headings:
Coffee
Health problems

sentences_after: Caffeine is a mild  which helps to keep people awake.

sentences_after: Caffeine, like many drugs, can be addictive and can cause health problems.


sentence: Caffeine is a mild  which helps to keep people awake.

concept_name: caffeine


sentence: Beef derives from the German word 'beife', meaning grazing beast.

sentences_before: Beef is quite popular in Argentina and the United States.

sentences_after: In the faith of Hinduism, it is forbidden to eat beef.

sentences_after: Although Sikhs can eat beef, Sikhs in India do not eat beef out of respect for Hindus.

concept_name: beef


sentence: Hyaenas are known to have one of the world's strongest bites.

sentences_before: Hyaena walk much like bears because their front legs are longer than their back.

concept_name: hyaena


sentence: Hyaenas are intelligent creatures.

headings: Hyaena Hunting

sentences_after: They work together well and are cooperative.

sentences_after: They have strategic hunting methods and work to steal and protect it from other predators.

sentences_after: Hyaenas main targets are Zebra and Wildebeest.

sentences_after: Whether hyaenas do or do not chase lions off their kills is mostly a matter of numbers.


sentence: Many natural environments are the product of the interaction between nature and humans.

headings:
Natural environment
Terminology

sentences_after: For this reason, the term ecosystem has been used to describe an environment that contains nature, and includes people.

sentences_after: It follows then that environmental problems are human or social problems.

concept_name: natural environment


sentence: Iodised salt can prevent goiter.

sentences_after: A Goiter is a disease of the thyroid gland, which can happen in parts of the world where there is little iodine.

concept_name: iodised salt


sentence: Silk fibers are very strong.

sentences_before: Silk' is a natural fiber made by the silk worm larvae.

sentences_before: The cloth can be made into clothes, rugs, bedding, or can be used to write or paint on.

sentences_after: In the past, silk was used to make parachutes.

concept_name: silk fiber


sentence: Most spiders make a natural fiber that is also called silk.

concept_name: spider


sentence: Silk is resistant to most mineral acids, except for sulfuric acid, which dissolves it.

headings:
Silk
Chemical properties

concept_name: silk


sentence: Perspiration makes silk yellow.

sentences_before: Silk is resistant to most mineral acids, except for sulfuric acid, which dissolves it.

concept_name: perspiration


sentence: Some sod is grown agriculturally, and is sold to landscapers who use it to quickly get a lawn.

sentences_before: Sod' is turf and the part of the soil beneath it held together by the roots, or a piece of this material.

sentences_after: Sod was used for building of fortifications in former times.

concept_name: sod


sentence: Music is sound that has been organized by using rhythm, melody or harmony.

headings:
Music
What is music?

sentences_after: If someone bangs saucepans while cooking, it makes noise.

sentences_after: If a person bangs saucepans or pots in a rhythmic way, they are making a simple type of music.

concept_name: music


sentence: Blues music is music that is played by singing, using the harmonica, or the acoustic guitar.

concept_name: blues music


sentence: Music often has 'pitch'.

sentences_after: Tunes are made of notes that go up or down or stay on the same pitch.

frequency: often


sentence: Tunes are made of notes that go up or down or stay on the same pitch.

sentences_before:
Music often has 'pitch'.
This means high and low notes.

concept_name: tune


sentence: Music often has 'rhythm'.

sentences_after: Rhythm is the way the musical sounds and silences are put together in a sequence.

sentences_after: Every tune has a rhythm that can be tapped.


sentence: Every tune has a rhythm that can be tapped.

sentences_before: Rhythm is the way the musical sounds and silences are put together in a sequence.


sentence: Music usually has a regular beat.

sentences_before: Every tune has a rhythm that can be tapped.


sentence: Music often has 'dynamics'.

sentences_after: This means whether it is quiet or loud or somewhere in between.


sentence: Music often has 'timbre'.

sentences_after: The sort of sound might be harsh, gentle, dry, warm, or something else.

sentences_after: Timbre is what makes a clarinet sound different from an oboe, and what makes one person's voice sound different from another person.


sentence: Music is whatever people think is music.

headings:
Music
What is music?
Definitions

sentences_before: There is no simple definition of music which covers all cases.

sentences_before: It is an art form, and opinions comes into play.

sentences_after: A different approach is to list the qualities music must have, such as, sound which has rhythm, melody, pitch, timbre, etc.


sentence: Some animals also can use music.

headings: Music History

sentences_after: Songbirds use song to protect their territory, or to attract a mate.

sentences_after: Monkeys have been seen beating hollow logs.

sentences_after: This may, of course, also serve to defend the territory.

concept_name: animal


sentence: Songbirds use song to protect their territory, or to attract a mate.

concept_name: songbird


sentence: Jazz music has a swinging rhythm.

headings:
Music
History
Modern times
Jazz

concept_name: jazz music


sentence: Music needs to be written down in order to be saved and remembered for future performances.

headings:
Music
Musical notation


sentence: Notes are to put on the lines and in the spaces between the lines.

headings:
Music
Musical notation
Written music

sentences_after: Each position says which tone must be played.

sentences_after: The higher the note is in the staff, the higher the pitch of the tone.

sentences_after: The lower the notes are, the lower the pitch.

concept_name: note


sentence: People can enjoy music by listening to it.

headings:
Music
How to enjoy music
By listening

sentences_after: They can go to concerts to hear musicians perform.

sentences_after: Classical music is usually performed in concert halls, but sometimes huge festivals are organized in which it is performed outside, in a field or stadium, like pop festivals.

concept_name: People