AcharyaChanakya/simple-wikipedia huggingface dataset:
This system was introduced in the 18th century. The British claim that this term has a nautical background. Every evening, sailors would line up for their daily quota of grog/rum. This had to first be proved to be as strong as promised and not watered down. The spirit was tested with gunpowder: a mixture of water and alcohol "proved" itself when it could be poured on a small amount of gunpowder and still light up the wet powder. If the powder did not ignite, the mixture had too much water in it and the grog was considered below proof. It might have happened earlier, as the Americans claim that this definition came about in the 17th century when European traders began making a large quantity of distilled spirits and wine available to American Indians. The very same process led to the nickname "firewater", this time given by Native Americans. There is no record of the finite strength of the distilled spirits in the context of its sale to or consumption by Native Americans.
A "proven" solution was defined as 100 degrees proof (100°). People have found out that this takes 57.15% ethanol. This value is still used as the British definition. A simpler ratio to remember is "seven to four": 70° proof is 40% alcohol by volume.
A hydrometer can be used to measure the precise proof of a spirit. This test has gone through many formal changes.
The European Union member nations have broadly adopted the recommendation of the International Organization of Legal Metrology (OIML) which measures percentage of alcohol by volume at 20 °C.
In Britain, this replaced the Sikes hydrometer system (based on proof spirit) which was used since 1816, although officially the "Customs and Excise Act of 1952" defined "spirits of proof strength" (or proof spirits):
Previously, Clarke's hydrometer had been used since the 1740s when Customs and Excise and London brewers and distillers began to use Clarke's hydrometer.
In the definition of the United States, the proof number is twice the percentage of the alcohol content measured by volume at a temperature of 60°F (15.5°C). Therefore, "80 proof" is 40% alcohol by volume (most of the other 60% is water). If a 150 proof beverage is mixed half-and-half with water, the drink is 75 proof.
US Federal regulation (CFR 27 5.37 Alcohol Content) requires that liquor labels state the percentage alcohol by volume (sometimes abbreviated ABV). The regulations permit (but do not require) a statement of the degrees proof as long as it is right next to the percentage alcohol by volume.
Alcohol is produced by yeast during the process of fermentation. The other product of fermentation is carbon dioxide, which is the gas that can make beer bottles explode or blow their tops off. The amount of alcohol in the finished liquid depends on how much sugar there was at the beginning for the yeast to convert into alcohol. In beer, the alcohol is generally 3% to 12% (6 to 24 proof) and usually about 4% to 6% (8 to 12 proof). Depending on the strain of yeast, wines top out at about 14% to 16% (28 to 32 proof), because that is the point in the fermentation process where the alcohol concentration denatures the yeast. Since the 1990s, a few alcohol-tolerant 'superyeast' strains have become commercially available, which can ferment up to 20%.
Very few microorganisms can live in alcoholic solutions. The main three are yeast, "Brettanomyces", and "Acetobacter". In what is essentially disinfection, yeast keeps multiplying as long as there is sugar to "eat", gradually increasing the alcoholic content of the solution and killing off all other microorganisms, and eventually themselves. There are "fortified" wines with a higher alcohol concentration than that because stronger alcohol has been mixed with them.
Stronger liquors are distilled after fermentation is complete to separate the alcoholic liquid from the remains of the grain, fruit, or whatever it was made from. The idea of distillation is that a mixture of liquids is heated, the one with the lowest boiling point will evaporate (or "boil off") first, and then the one with the next lowest boiling point, and so on. The catch is that water and alcohol form a mixture (called an azeotrope) that has a lower boiling point than either one of them, so what distills off first is that mixture of 95% alcohol and 5% water. Thus a distilled liquor cannot be stronger than 95% (190 proof); there are other techniques for separating liquids that can produce 100% ethanol (or "absolute alcohol"), but they are used only for scientific or industrial purposes. 100% ethanol does not stay 100% for very long, because it is hygroscopic and absorbs water out of the atmosphere.
Acetobacter
Acetobacter is a kind of bacteria. These bacteria are
known by their ability to change alcohol to acetic acid in the presence of air. There are several species within this genus, and there are other bacteria that can form acetic acid under different conditions; but all of the "Acetobacter" are known by this ability.
"Acetobacter" are important to people, because:
Sometimes, "Acetobacter" is not wanted. It can be killed by adding preservatives like Sulfur dioxides, or by getting rid of the air when the wine is stored.
Archbishop of Canterbury
The Archbishop of Canterbury is the spiritual leader of the Church of England and in the Anglican Communion the leader of its mother church. He is the head of the Church, and lives in the English city of Canterbury. The Archbishop is chosen by the English monarch (the church's "supreme governor"), under guidance from senior bishops, acting in cooperation with the prime minister of the UK.
The office of Archbishop of Canterbury was founded in the year 597. In that year, Saint Augustine came to England, to the area called Kent. He had been sent by the Pope to convince the local people to become Christians. The people accepted him and Christianity when their King (Ethelbert of Kent) became a Christian. Augustine became the first bishop in the kingdom of Kent and was later recognised as archbishop when a second diocese was created. Since then, there has been an Archbishop at Canterbury in Kent.
The Archbishop of Canterbury used to be head of the Roman Catholic Church in England, but in the early 16th century the English church broke away from the Roman church. The new church called itself the Church of England, and now the Archbishop is the leader of that church. The current Archbishop is Justin Welby (from 2013).
The archbishop oversees the Province of Canterbury that is all the Church of England dioceses in the south and midlands of England. The dioceses of Wales were also within the Province of Canterbury until 1920 when the Church in Wales became independent. In the north of England another archbishop has the Diocese of York and other northern dioceses (including the diocese of Sodor and Man) to oversee. Both archbishops are members of the House of Lords and rank very high in the official English order of precedence. When a new monarch is crowned the placing of the crown on his head is done by the Archbishop of Canterbury. The principal home of the archbishops is at Lambeth Palace in the south of London rather than at Canterbury itself. Within the Diocese of Canterbury (which consists of eastern Kent and a small enclave in Surrey) the archbishop has at least two assistant bishops.
Justin Welby (formerly the Bishop of Durham) became Archbishop on 21 March 2013.
Ethanol, also known as ethyl alcohol, grain alcohol or just alcohol, is a flammable, colorless chemical compound. Its chemical formula is CHOH, also written as CHO. It is the active part of alcoholic drinks, which are drunk in most cultures worldwide. It is also used as a solvent because it can dissolve many other chemicals and is not very toxic. Yeast makes most of the ethanol that people use.
Ethanol fuel can be used instead of gasoline in cars and other engines. Engines can use pure ethanol or ethanol mixed with gasoline.
In Brazil, ethanol fuel made from sugar cane provides 18 percent of the country's fuel for cars. Because of this, Brazil does not have to buy oil from other countries.
To do this, Brazil cut down much of the rain forests to grow more sugar cane, which is then fermented into Ethanol.
Most cars in the U.S. can run on fuels that have of up to 10% ethanol in them. Car makers like Ford, DaimlerChrysler, and GM also make vehicles specifically designed to run on higher ethanol blends. Some of their engines can run on up to 85% ethanol (E85). By mid-2006, there were about six million E85-compatible vehicles on U.S. roads.
The boiling point of a substance is the temperature at which the substance boils, or enters a state of rapid evaporation. For pure water this is 100° Celsius or 212° Fahrenheit. This is measured at one atmosphere, that is, the air pressure at sea level
Boiling points can be changed in several ways. The addition of solutes or other substances usually changes the boiling point. Additionally, changing the pressure on a liquid changes its boiling point.
The boiling point of a liquid depends on the pressure of the surrounding air. An increase in air pressure increases the boiling point; a decrease decreases the boiling point. In the low pressure environment at the top of Mt Everest for example, water boils at only 69 °C. (156.2 °F).
It can also be defined in terms of vapour pressure as the temperature at which vapour pressure of liquid becomes equal to atmospheric pressure
Sugar, salt or other non-volatile solutes in water will usually make the boiling point higher. Alcohol, in contrast, is a volatile chemical that lowers the boiling point of water. Even a large amount dissolved in the water will usually make only small changes in the boiling point.
A platonic solid is a kind of polyhedron. It has the following characteristics:
The following Platonic solids exist; there are only 5:
There are a lot more uses for Platonic Solids, but some of the main reasons are:the shapes are often used to make dice, because dice of these shapes can be made fair. 6-sided dice are very common, but the other numbers are commonly used in role-playing games. Such dice are commonly referred to as D followed by the number of faces (d8, d20 etc.).
The tetrahedron (4 sided), cube (6 sided), and octahedron (8 sided), are found naturally in crystal structures. The dodecahedron (12 sides) is combinatorially identical to the pyritohedron (in that both have twelve pentagonal faces), which is one of the possible crystal structures of pyrite. However, the pyritohedron is not a regular dodecahedron, but rather has the same symmetry as the cube.
In meteorology and climatology, global numerical models of atmospheric flow are of increasing interest which use grids that are based on an icosahedron (20 sides,refined by triangulation) instead of the more commonly used longitude/latitude grid. This has the advantage of better spatial resolution without singularities (i.e. the poles) at the expense of somewhat greater numerical difficulty.
Geometry of space frames is often based on platonic solids.
The Euclidean algorithm is an algorithm. It can be used to find the biggest number that divides two other numbers (the greatest common divisor of two numbers).
Euclid solved the problem graphically. He said
Start out with two positive integers "m" and "n".
Note: This pseudocode uses modular arithmetic instead of subtraction. It does the same thing as above, but gets the answer faster.
Precondition: two positive integers "m" and "n"
Postcondition: the greatest common integer divisor of "m" and "n"
Iterative (Non-recursive):
Recursive:
Eukaryote
A eukaryote is an organism with complex cells, or a single cell with complex structures. In these cells the genetic material is organized into chromosomes in the cell nucleus.
Animals, plants, algae and fungi are all eukaryotes. There are also eukaryotes amongst single-celled protists. In contrast, simpler organisms, such as bacteria and archaea, do not have nuclei and other complex cell structures. Such organisms are called prokaryotes.
The eukaryotes are often treated as a superkingdom, or domain.
Eukaryotes evolved in the Proterozoic eon. The oldest known probable eukaryote is "Grypania", a coiled, unbranched filament up to 30 mm long. The oldest "Grypania" fossils come from an iron mine near Negaunee, Michigan. The fossils were originally dated as 2100 million years ago, but later research showed the date as about 1874 million years ago. "Grypania" lasted into the Mesoproterozoic era.
Another ancient group is the acritarchs, believed to be the cysts or reproductive stages of algal plankton. They are found 1400 million years ago, in the Mesoproterozoic era.
The classification of the Eukaryota is under active discussion, and several taxonomies have been proposed. Modern versions disagree about the number of kingdoms.
Eukaryotic cells are usually much bigger than prokaryotes. They can be up to 10 times bigger. Eukaryote cells have many different internal membranes and structures, called organelles. They also have a cytoskeleton. The cytoskeleton is made up of microtubules and microfilaments. Those parts are very important in the cell's shape. Eukaryotic DNA is put in bundles called chromosomes, which are separated by a microtubular spindle during cell division. Most eukaryotes have some sort of sexual reproduction through fertilisation, which prokaryotes do not use.
Prokaryotes do not have sexes, but they can pass DNA to other bacteria. Their cell division is asexual. Bacterial conjugation is when bacteria move a genetic element (often a plasmid or transposon) from one to another.
Eukaryotes have sets of linear chromosomes located in the nucleus and the number of chromosomes is usually typical for each species.
In eukaryotic cells, there are many things with membranes around them. All of them together are called the endomembrane system. Simple bags, called vesicles or vacuoles, are sometimes made by budding off other membranes, just like how children make bubbles with their toys. Many cells take in food and other things using something called endocytosis. In endocytosis, the membrane closest to the outside bends inwards and then pinches off to make a vesicle. Many other organelles that have membranes probably started off as vesicles.
The nucleus is surrounded by two membranes membrane that has holes in it so things can go in and out. The nuclear envelope has things sticking out of it that look like tubes and sheets. These are called the endoplasmic reticulum which is often shortened to ER. The ER is works with moving proteins around and allowing them to mature.
The ER has two parts, the rough ER and the smooth ER. The rough ER has ribosomes attached to it. The proteins made by the ribosomes attached to the rough ER go to the inside the rough ER, called the lumen. After that, they usually go into vesicles, which grow and pinch off from the smooth ER. In most eukaryotes, the vesicles with proteins inside fuse with piles of flattened vesicles called the Golgi bodies, where the proteins inside are changed again.
Vesicles are sometimes changed so they can do one thing very well. This is called specialization, or differentiation. For example, lysosomes have enzymes inside them that break down the food the comes from food vacuoles, and peroxisomes have enzymes that break down peroxide, a poison, so it is not poisonous anymore.
Many protozoa have contractile vacuoles, which are vacuoles that can fuse or pinch off from the outer membrane. Contractile vesicles are often used to get and get rid of unneeded water. Extrusomes shoot out stuff that make predators go away or catch food. In multicellular organisms, hormones are often made in vesicles. In the complicated plants, most of the inside of a plant cell is taken up by a central vacuole. That central vacuole is the main thing that keeps osmotic pressure so the cell can hold its shape.
Because the cell organelles of eukaryotes have different (polyphyletic) origins, the question arises as to whether the group is a unified clade or not. It is certain that the protists are not. Cell organelles are specialised units which carry out well-defined functions, like mitochondria and plastids. It is fairly clear now that all or most of these organelles have their origin in once-independent prokaryotes (bacteria or archaea), and that the eukaryote cell is a 'community of micro-organisms' working together in 'a marriage of convenience'. The first such events took place between ancient bacteria to produce the double-membrane class known as gram-negative bacteria. Since the gram-negative bacteria include the cyanobacteria, this was the first of several such events in the history of the eukaryotes.
Recent research shows that "the known repertoire of ‘eukaryote-specific’ proteins in Archaea [indicate] that the archaeal host cell already contained many key components that govern eukaryotic cellular complexity".
"Protista" is a group of different single-celled organisms. More accurate taxonomies have been proposed, but scientists are still discussing them. For this reason, Protista is still useful for talking about these organisms. One modern scheme for the classification of the Eukarya is as follows:
However, in 2005, doubts were expressed as to whether some of these supergroups were monophyletic, particularly the Chromalveolata, and a review in 2006 noted the lack of evidence for several of the supposed six supergroups.
The Eukarya may only be unified in the sense that the cells are a community derived from bacteria and archaea; opinions vary. Like the Protista, the Eukarya may be a polyphyletic assembly, though a useful one. However, as mentioned above, all branches of the Eukarya have sexual reproduction. That, and the general organisation of the nucleus, are the defining features. These two points are the main evidence for monophyletic origin.
Unicellular organism
Unicellular organisms are organisms that have one cell. They are divided into two quite different types, from different classification kingdoms.
The differences between the prokaryota and eukaryota are significant. Eukaryotes possess a nucleus and various subcellular organs called organelles, and prokaryotes do not.
Almost all unicellular organisms are microorganisms but you can observe eukaryotes and many prokaryotes by using a compound microscope. Bacteria just appear as dark dots. To gather unicellular organisms for observation, one can place a cover slip on the surface of pond water, and leave it overnight. By the next morning, numerous unicellular organisms will have grown entire colonies on the bottom of the slip. They multiply fast: colonies can double their size in between 30 minutes and a few hours.
Unicellular organisms can be found everywhere. The oldest forms of life existed 3.8 billion years ago, if not longer. They pursue a variety of strategies for survival: photosynthesis (cyanobacteria), chemotrophy (many archaea), and heterotrophy (amoeba). Some unicellular organisms have flagella, little tails they use for locomotion, or lobopods, extensions of the cellular skeleton (cytoskeleton), which appear as bloblike arms. The flagella of our unicellular ancestors occurs all the way up into the animals, where it makes an appearance as flagellated sperm.
Of all the six eukaryote supergroups, four are exclusively composed of unicellular organisms. Unicellular organisms vary in size, with the smallest bacteria measuring only a third of a micron (300 nanometers) across, ranging up to the titanic plasmodial slime molds, which can grow to 20 cm (8 in) across. The largest unicellular organisms may have millions of nuclei scattered throughout the cellular envelope. To observe some of the smallest unicellular organisms requires an electron microscope, while the very largest can be seen with a microscope or anything that enhances images.
Multicellular organism
Multi-cellular organisms are organisms with more than one cell. This is the case for animals, plants and most fungi. In such organisms, cells are usually specialised. All the cells with the same function work together. Such a group of cells is then called a tissue.
Multi-cellular organisms have a set of cells that specialize in reproduction. Reproduction in such organisms is usually sexual. The sex cells are either sperm or ovum (also named "egg") cells. If they are sperm cells, the organism is male, if they are egg cells it is female. If both are present, the organism is a hermaphrodite.
We know, from their cell structure, that multicellularity has evolved independently many times in Earth history, for example in plants and animals.
The earliest forms of life in the fossil record are cyanobacteria from the Archaean era at 3.5 billion years ago. They grew as single cells but lived in colonies as stromatolites.
The first multicellular fossils have been found in 2.1 billion years old Palaeoproterozoic rocks from the Gabon in Africa. These are eukaryotic cells which live colonially. The fossils are visible to the naked eye, and hence much larger than bacteria. The authors comment that one advantage of multicellularity is larger size, and that an adequate level of oxygen is required to support this kind of life.
To reproduce, multicellular organisms must solve the problem of regenerating a whole organism from germ cells (i.e. sperm and egg cells), an issue that is studied in developmental biology.
Multicellular organisms, especially long-living animals, also face the challenge of cancer, which occurs when cells fail to regulate their growth within the normal program of development.
Hexahedron
A hexahedron (plural: hexahedra) is any polyhedron with six faces. A cube, for example, is a regular hexahedron with all its faces square, and three squares around each vertex.
There are seven topologically distinct "convex" hexahedra, one of which exists in two mirror image forms. (Two polyhedra are "topologically distinct" if they have intrinsically different arrangements of faces and vertices, such that it is impossible to distort one into the other simply by changing the lengths of edges or the angles between edges or faces.)
There are three further topologically distinct hexahedra that can only be realised as "concave" figures:
Kazan State University
Kazan (Volga region) Federal University (, "Kazanskiy (Privolzhskiy) federalnyy universitet"; ) is a university in Kazan, Tatarstan, Russia. It was founded in 1804. The famous Russian mathematician Lobachevsky was its headmaster from 1827 till 1846. The post is now being held by Myakzyum Salakhov (Mäğzüm Säläxev).
Kazan University is also known as "the birthplace of organic chemistry" because of the works of Aleksandr Butlerov, Vladimir Markovnikov, Aleksandr Arbuzov, and others.
The New World is a name used for the Western Hemisphere. It specifically refers to the Americas. It can also refer to certain Atlantic and Pacific islands (like Bermuda) and sometimes Oceania, (Australasia). The name started in the early 16th century, shortly after America was colonized. The people of the European Middle Ages thought the world was only Europe, Asia, and Africa. These continents are called the Old World. The Americas were also referred to as the "fourth part of the world".
The continent (North and South America) was named America after Amerigo Vespucci.
Oceania, which was colonized some centuries later, is refered to as "The Newest World".
Rabbits are mammals of the order Lagomorpha. There are about fifty different species of rabbits and hares. The order Lagomorpha is made of rabbits, pikas and hares. Rabbits can be found in many parts of the world. They live in families and eat vegetables and hay. In the wild, rabbits live in burrows, that they dig themselves. A group of rabbits living together in a burrow is called a warren. Rabbits are famous for hopping and eating carrots.
A male rabbit is called a buck, and a female is called a doe. A baby rabbit is called a kit, which is short for kitten. Rabbits have a gestation period of around 31 days. The female can have up to 12-13 kits, very rarely litters as big as 18 and as small as one. When the doe gives birth her babies are collectively refered to as a litter. Some people have rabbits as pets. Rabbits are also raised for their meat. Rabbits are of a different biological classification than hares.
Since rabbits are prey animals, they are careful in open spaces. If they sense danger, they freeze and watch. Rabbit vision has a very wide field, including overhead scanning. Their enemies are foxes and dogs; also bears, raccoons, minks, weasels and snakes. Birds of prey sometimes take rabbits. People are also known to shoot rabbits, because they eat crops. Their escape method is to run for their burrow, where they are usually safe.
Rabbits have a complex social structure and, like dogs, they have a hierarchy. Rabbit ears probably have several functions. The main function is to give warning of predators, but they may be used for signalling, and temperature regulation.
In the wild, rabbits have plenty to keep them occupied, from foraging to reproduction to territorial defence. Captive rabbits, on the other hand, often lack stimulation. This can lead to behavioural problems and poor health. The expected lifespan of a rabbit in the wild is about three years.
Louis Pasteur (December 27, 1822 – September 28, 1895) was a French microbiologist and chemist.
He and his wife, Marie, are best known for their experiments supporting the germ theory of disease, and he is also known for his vaccinations, most notably the first vaccine against rabies.
He made many discoveries in the field of chemistry, including the asymmetry (different shapes) of crystals. He is also well known for his way of keeping milk and wine from going sour for longer periods of time. That process is called pasteurization. It is when the milk and or wine is put under about 161 Fahrenheit (72 Celsius) for fifteen seconds
Pasteur's later work on diseases included work on chicken cholera. During this work, Pasteur noticed how a culture of the responsible bacteria had spoiled, and it failed to induce the disease in some chickens, which he was infecting, with the disease.
Louis Pasteur was born on December 27, 1822 in Dole in the Jura region of France, into the family of a poor tanner. Louis grew up in the town of Arbois. He gained degrees in Letters and in Mathematical Sciences before entering the École Normale Supérieure, an elite college.
After serving briefly as professor of physics at Dijon Lycée in 1848, he became professor of chemistry at the University of Strasbourg, where he met and courted Marie Laurent, daughter of the university's rector, in 1849.
Louis Pasteur and Marie were married on May 29, 1849, and together had five children. Only two survived to adulthood; his other three children had died of typhoid fever. These personal tragedies inspired Pasteur to try to find cures for diseases, such as typhoid.
In 1895 at Marnes-la-Coquette, a commune in Paris, Pasteur died after several strokes.
Akrotiri and Dhekelia
Akrotiri and Dhekelia are two British overseas territories that borders the Republic of Cyprus and Northern Cyprus. It’s used as military bases of the United Kingdom the bases were kept by the UK after Cyprus changed from being a colony in the British Empire, to being an independent republic. The United Kingdom kept them because of the important location of Cyprus in the Mediterranean Sea.
Transcontinental country
A transcontinental country is a nation that is in more than one continent. Examples:
Africa and Asia
Asia and Europe
Most of the other examples are contentious, based on the possession of small islands in another region. For example, Spain controlling the Canary Islands which is geologically located in Africa. A few are undoubtedly intercontinental:
Asia and Oceania
America and Oceania
America, Oceania and Antarctica
Oceania and Antarctica
Europe, Africa, and America
• France, because Réunion, Mayotte, Martinique, Guadeloupe, and French Guiana are regions of France
Kurów
Kurów is a village in south-eastern Poland, near Puławy and Lublin, on the Kurówka River. It is the main village of a gmina within the Lublin Voivodship and has 2826 people living there (as of 2010). The village was built before 1185 and made bigger between 1431 and 1442 with city rights based on the Magdeburg Law. The former President of Poland, Wojciech Jaruzelski was born in Kurów in 1923.
Scorpions are eight legged venomous arachnids. They have a long body with an extended tail with a sting. The average adult scorpion is about 3 inches in length. The longest scorpion is the African scorpion, which can be 9 inches long. There are about 1,750 species of scorpions worldwide.
The evolutionary history of scorpions goes back to the Silurian, 430 million years ago. They have adapted to a wide range of environments, and live on all continents except Antarctica. There are 13 living families. Only about 25 species have venom which can kill a human being.
They have eight legs and a pair of grasping pedipalps (like claws). The tail is narrow, with segments. It usually has a forward curve over the back, ending with a venomous stinger.
Their body is in three parts. The front section is the "cephalothorax"; the abdomen is called the "mesosoma", and the tail is the "metasoma". The body is covered by an exoskeleton which gives them good protection.
Scorpions have many ways to survive in the desert. They can slow down their metabolism. This allows them to survive on as little as one insect per year. This ability also allows them to shelter from the sun and heat for extended periods of time, using only little amounts of oxygen.
Many people also believe that their claws, or pincers, were once front legs that have turned into what they now are by going through evolution. Nevertheless, the scorpions' claws play a crucial part in their hunting and mating rituals.
Scorpions also possess a special, feather-like pair of organs, called pectines that they use to sense even the smallest of movements around them. This allows them to effectively track down and hunt their prey, either above or below the surface. This also warns them of possible dangers, such as other bigger hunters.
The scorpion’s most feared and recognized feature is its sting. The sting contains a neurotoxin, which the scorpion uses to paralyze the victim, so it would be easier to kill and eat. They also stay hidden under rocks and that makes their body temperature cool.
The mating ritual of scorpions begins when the male and female connect claws. After this they verify that the other scorpion is of the same species, and is the opposite gender. After this, the male leads the female around until it finds a suitable spot to deposit its spermatophore. Once the male has found a suitable spot, he guides the female over it, where it enters her and fertilizes her. The mating ritual can take anywhere between 1 and 26 hours, depending on the male’s ability to find a suitable spot. Only a scorpion that has reached maturity may go through the mating ritual. A scorpion reaches maturity after it has gone through 5 to 7 moults.
1216 was a leap year starting on a Friday in the Julian calendar.
John Schlesinger
John Richard Schlesinger, CBE (16 February 1926 – 25 July 2003) was a British movie director. He was born into a Jewish family in London. He was openly gay. He died of a stroke in Palm Springs, California, United States.
Schlesinger's acting career began in the 1950s. He started to direct in 1956. By the 1960s he was not acting so he could just direct. His documentary "Terminus" (1961), got a Venice Film Festival Gold Lion and a British Academy Award. "A Kind of Loving" won the Golden Bear award at the 12th Berlin International Film Festival in 1962. Schlesinger's movie, "Midnight Cowboy" (1969), made in the United States, was internationally successful. A story of two hustlers living on the fringe in the bad side of New York City, it was Schlesinger's first movie shot in the U.S. It won Oscars for Best Director and Best Picture. In 1996 he received the BAFTA Academy Fellowship Award, a lifetime achievement award.
Landjäger
Landjäger (or Landjaeger) is a type of German sausage. The name stands for "hunter's sausage". It is smoked, so it does not need refrigeration. Usually, some of the water has also been taken out (they are dehydrated).
Gilbert and Ellice Islands
The Gilbert and Ellice Islands were a British protectorate from 1892 and colony from 1916. They are formed from two groups of islands in the Pacific Ocean. On 1 January 1976 the islands were split into two different colonies that became independent states. The Gilbert Islands have been the biggest part of the nation of Kiribati since 1979, and the Ellice Islands became Tuvalu in 1978.
Casablanca (classical Arabic name: الدار البيضاء, "the white house"; Spanish:Casablanca, "whitehouse") is a city in western Morocco, on the Atlantic Ocean.
With 2.95 million people (September 2004 census), Casablanca is Morocco's biggest city.
Casablanca has a Mediterranean Climate with hot dry summers and wet rainy winters.
Flatulence
Flatulence or farting is when intestinal gas leaves the anus. This often happens with a sound that can be embarrassing to some people, but in some cultures it is treated like humor. The word flatuence comes from the Latin word "flatus", which means blowing or breath, but people today usually call it farting.
In mammals like humans, the gases come from two sources: swallowed air (for example, while eating, talking or drinking) and gases naturally created by bacteria in the body during digestion. Of the gases that come out during flatuence, most of it is nitrogen (which has the chemical formula N and makes up between 20% to 90% of all the gases), followed by hydrogen (H), carbon dioxide (CO), oxygen (O) and methane (CH).
Computability theory is part of computer science. Scientists want to know what can be computed, and what can not.
There is a model of a computer that is used for this. It is called the Turing machine. A Turing machine basically is a special typewriter with an endless ribbon. The machine is named after the mathematician Alan Turing.
A problem is "computable" if it can be expressed in such a way that a Turing machine can solve it.
One of the best known examples is the Halting problem. The task is to write a program which says for all programs whether they will finally stop. This is impossible to decide. Mathematicians say the problem is undecidable.
Batman (city)
Batman is a city in southeast Turkey. It is the capital (city) of the province with the same name. In 2010, 325,000 people lived there. There are many Kurds in that area. The area has much oil and gas.
There is a railway track at Kurtalan, near this city. The track runs all the way to Istanbul. There is also an airport near Batman. The name is short for the Bati Raman mountains.
A typewriter is a machine that is for typing on a piece of paper instead of writing by hand. It has keys for typing letters, numerals, and symbols one at a time. Typewriters were created in 1829. Typewriters were originally invented to make writing faster and printing. The earliest typing was done on stone, clay, or metal sheets by inscribing them.
A typewriter does not have computer memory. As with writing with a pen, it is difficult to correct mistakes. One advantage is that many of them are not electrical, so you do not need to plug them in. Hackers cannot see what you have typed. On many typewriters, a separate type element (called a typebar) corresponds to each key. The first commercial typewriters were introduced in 1874. They did not become common in offices until after the mid-1880s.
Typewriters quickly became a necessary tool for almost all writing other than personal handwritten letters. They were used a lot by professional writers, in offices, and for business correspondence in private homes. Typewriters were common in most offices up to the 1980s. After that, computers often replaced them. Nevertheless, typewriters are still common in some parts of the world. They are needed for a few specific applications, and they are popular in certain subcultures. Early typewriters, and later cheap ones, were "manual" typewriters. This means they were powered completely by the user. After the mid-20th century, electric typewriters with a motor became most common.
Nocturnal (Latin: "nox" - night, darkness) animals are animals that are mainly active during the night. They hunt or feed during the night, and sleep during the day. Diurnal animals do it the other way around.
Scientists sometimes use the word "crepuscular" to describe nocturnal animals that are not active when it is very dark at night; they are mostly active near dawn, dusk, and sometimes when the moon makes a lot of light.
Many nocturnal animals have good night vision. Their large eyes may also be highly reflective when a bright light flashes them.
Censorship is when an authority (such as a government or religion) cuts out or suppresses communication.
This has been done widely. All countries, religions and societies have their limits as to what can be said, or written or communication by art or nowadays by computer.
Certain facts are changed or removed on purpose. This may be done because it is considered wrong, harmful, sensitive, or inconvenient to the government or other authority. This can be done for different reasons.
A censor is a person whose job is to look at all types of media and remove material. There are many reasons to censor something, like protecting military secrets, stopping immoral or anti-religious works, or keeping political power. Censorship is almost always used as an insult, and there is much debate over what censorship is and when it is okay.
When there is freedom of speech and freedom of the press, most information can published. However, even in developed countries with much freedom of the press, there are some things that cannot be published. For example, journalists are usually not allowed to publish many secrets about the military, like where troops will be sent on a mission. Pornography is censored in some countries because it is seen as not moral. For these reasons, the government might arrest anyone who publishes it.
Most often things are censored for one or more of the following reasons:
There is much debate about when censorship should be allowed. For example, U.S. President Richard Nixon censored the New York Times when they tried to publish articles about the Pentagon Papers, a group of classified military documents that showed that Nixon and the military lied about the Vietnam War. The Supreme Court in New York Times Co v. United States overturned the censorship, saying that Nixon had not shown it would be dangerous to the military, just embarrassing. In other countries, journalists and bloggers (who are usually not seen as journalists) are sometimes arrested for saying bad things about the government. In Egypt, Kareem Amer was famously arrested for insulting Islam and calling the president of Egypt, Hosni Mubarak, a dictator.
Governments are not the only ones who censor information. For example, when the history department at Middlebury College did not allow professors to accept Wikipedia as a source in papers, some said it was censorship. This was because the department was telling professors (who usually have academic freedom) what works they should or should not accept. Sometimes, a group or a website will not allow some facts, articles, and pictures that they do not think should be seen. There is much debate over the difference between censorship and editing, that is, deciding what should or should not be published.
Sometimes there is censorship of knowledge because it is believed that the average person can be harmed by access to it.
Slate Magazine wrote that in the 18th century the French king’s council stopped the distribution of Encyclopédie because it was “destroying royal authority and encouraging a spirit of independence and revolt,”
The Chinese government has blocked the Chinese-language Wikipedia since June 2015.
On July 16, 2019 the National Post ran an article about a woman who was banned fromTwitter. Lindsay Shepherd who is described as a Free speech advocate claimed that twitter has been too eager to censor right-wing public figures. Shepherd was a teaching assistant at Wilfrid Laurier University.
Czestochowa
Częstochowa is a city in south Poland on the Warta River. It has 248,894 residents. It has been in the Silesian Voivodeship (administrative division) since 1999, and was once the capital of Częstochowa Voivodship (1975-1998).
The town is known for the famous monastery of Jasna Góra Monastery, which is the home of the Black Madonna painting, a shrine of the Virgin Mary. Every year, thousands of people from all over the world come to Częstochowa to see it.
The name Częstochowa means Częstoch's place, and comes from the name of a person, Częstoch. It is mentioned in medieval documents also as Częstobor and Częstomir. Częstochowa is also known as Czestochowa, Czenstochov, and Chenstochov.
Currently, the city is one of the main tourist attractions in the area. It attracts hundreds of thousands of visitors every year.
The Black Madonna of Częstochowa, kept at the Jasna Góra Monastery, is a very popular attraction.
Voivodeships of Poland
A Voivodeship is one of 16 different divisions of land in Poland. The word comes from the Polish ""wojewoda"" meaning a governor.
Volleyball is a team sport. The teams are separated by a large net. It has six players on each side of the net. Each team is allowed twelve substitution players. The game starts when the captain from each team decides which side of the court they will play on, by the toss of a coin, which also determines who will serve (hit) the ball first. The point of the game is to keep the ball in the air. The ball can be played with any part of the body, with a maximum of three strokes a team. If at any point the ball hits the floor, the side that the ball landed on it is a point for the other team.
In 1895, William G. Morgan invented a new game called "Mintonette". However, when an observer named Alfred Halstead saw the game being played, he noticed the volleying action used to get the ball over the net, so he decided to change the name to "volleyball".
Morgan wanted to create a skilled activity, which required more players, less space, and less exertion than basketball. The first net was a “rope” and the first ball was a basketball air bladder. Until 1960, men and women played with different rules. Now the rules are the same except for the height of the net, the men’s net is higher.
A player cannot hit the ball twice. A point is gained when a team plays the ball in the opposition's court and the ball is not defended, therefore it lands within the court. The ball must be served (hit) from outside the court, otherwise, it will be regarded as a foul. The game is played in sets of 25 points (sometimes 21). The team that reaches 25 (or 21) points first, wins the set. Each game consists of 3-5 sets (or the first one to 3 in middle school). The fifth set is played to 15 points.
A player usually wears knee pads to protect their knees from becoming bruised during dives for the "volleyball". In order to win the game, the winners must be ahead by 2 points or the game goes on until you win by 2 points.
The sports governing body is the (FIVB). Digging is the ability to prevent the ball from touching one's court after a spike or attack, particularly a ball that is nearly touching the ground. Usually, the player is diving (throwing themselves towards the ground) to be the barrier to block the ball from hitting the court. In many aspects, this skill is similar to passing, or bumping: overhand dig and bump are also used to distinguish between defensive actions taken with fingertips or with joined arms.
Some specific techniques are more common in digging than in passing. A player may sometimes perform a "dive", i.e., throw his or her body in the air with a forward movement in an attempt to save the ball, and land on his or her chest. When the player also slides his or her hand under a ball that is almost touching the court, this is called a "pancake". The pancake is frequently used in indoor volleyball. Besides being one of the best-known sports in the world, and being a favourite to millions of people, it is in the Olympics.
The positions in volleyball are separated into 6 areas, the first being Position 1 which is the back right side on the side that you are. Position 2 is on the right side of the court closest to the net, Position 3 is in the middle of the front part of the court right beside the net, Position 4 is on the left side of the court right beside the net, Position 5 is in the back left side of the court, and Position 6 is in the middle of the back of the court.
The court is . A net is stretched tightly in the middle. The height of the net is for middle and high schools and college women, 7,11 feet (2.43 m) for college men.
The objective of the game is to legally return the ball over the net in such a manner that the opponent’s team cannot make a legal return. The main causes of illegal plays are: holding, carrying, or lifting with the palm of the hands, four touches on one side, and two consecutive touches by one player. A regulation game is played with six players on the court. They are to rotate to serve in a clockwise direction when facing the net. The server will come from the right front position, serve, then play the right back position.
Rally scoring is used in volleyball, which means a point will be awarded to one of the two teams when a rally ends or a mistake is made. A regulation game is played to 25 points and the winners must be ahead by 2 points. A middle and high school game is played best out of three games. If the games are tied at 1-1, the 3rd game is played to 15 points and the winners must be ahead by 2 points.
Serving: may be underhand or overhand. If the serve touches the net and goes to the opponent’s side, it must be played. The server is not allowed to step on or over the end line when serving. In class, the server must say the score before serving.
Float: Similar to a knuckle ball in baseball, the server stands flat footed and contacts the ball with a stiff wrist and does not swing through after contact. This causes no spin to be on the ball, allowing it to catch any air current and causes the ball to change directional course throughout the whole air course.
Top Spin: This serve is executed by snapping hard on the ball during contact. This puts a forward spin on the ball, which causes it to drop faster than a float.
Jump Serve: A jump serve is used to assist the server get more height. By jumping they have a better angle to put the ball down into the court, and are less likely to be underneath the ball. This can be a float or topspin ball depending on the contact, arm swing, and approach.
Pass or Bump (underarm pass): This is a pass used when the ball approaches a player below their shoulders. You are to hold your fingers together, elbows straight, and contact the ball with the forearms with shoulders facing the net on impact. Defined as a dig when passing a hard driven hit. Also pancaking is a form of passing. This is when the player has sprawled out to the floor in a last hope type of decision for the ball to land on their hand and it pop straight up.
Set or volley: (overhead pass) direct the ball to a place specifically. Hands high, flex wrist, contact the ball with the finger pads, and elbows bent. Use your legs and arms to project the ball into the air.
Hit: A hard hit ball from a height above the net, straight to the opponent’s side. Contact the ball with the cupped fingers and a long arm swing.
Block: (defensive hit) Two hands above the head, jumping with arms reaching for a ball that has been spiked. A block is used to prevent a volley from crossing the net.
Dig: Digging is the ability to prevent the ball from touching one's court after a spike or attack, particularly a ball that is nearly touching the ground.
Serve: to put the ball into play from the end line.
Side out: the team that served made a mistake, ball now goes to the opponent’s for service.
Set: overhead pass that allows a player to spike
Bump: an underhand pass performed when a ball is below the shoulders
Spike: a hard driven ball aimed at the opponents.
Block: a defensive play to prevent the ball from crossing the net.
Double: Contacting the ball twice typically while settings
Kill: Any hit, rollshot, or tip that automatically results in a point.
Twilight means either dawn (in the morning) or dusk (in the evening).
In the morning, dawn is when it is not dark any more, and the light of the sun is just starting to appear.