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Applications and projects
Earth Observation Center
Applications and projects
Projects: Civil Security - Environment
Projects: Land Surface
Applications and Projects: Atmosphere
According to the current plans of space agencies and satellite operators, in the course of the next two decades over 100 satellit... | <urn:uuid:57e6522f-bc3a-42e6-a685-b6cf9e9fe3ae> | 2.84375 | 1,063 | Content Listing | Science & Tech. | 13.613275 | 800 |
North American Dipteran Pollinators: Assessing Their Value and Conservation Status
Carol Ann Kearns, University of Colorado at Boulder
Full Text: HTML
Recent attention to pollinator declines has focused largely on bees and vertebrates. However, few pollination systems are obligate, and pollinators that complement the r... | <urn:uuid:8e123884-c467-4f6b-ab9d-bbf9180b1741> | 2.859375 | 187 | Academic Writing | Science & Tech. | -14.901694 | 801 |
Earth from Space: Bloom-filled Baltic
This Envisat image captures blue-green algae blooms filling the Baltic Sea, which is roughly 1600 km long, 190 km wide and has a surface area of about 377 000 sq km.
'Algae bloom' is the term used to describe the rapid multiplying of phytoplankton, microscopic marine plants that dr... | <urn:uuid:7bd2d003-3bb9-408d-9d21-2b65e00262c3> | 3.6875 | 473 | Knowledge Article | Science & Tech. | 25.646894 | 802 |
GNU MIX Development Kit (MDK)
MIX is Donald Knuth's mythical computer as described in his monumental work The Art Of Computer Programming. As any of its real counterparts, the MIX features registers, memory cells, an overflow toggle, comparison flags, input-output devices, and a set of binary instructions executable by... | <urn:uuid:d4ccbbe1-504a-46e6-9d96-c6fc967b3d11> | 3.15625 | 643 | Product Page | Software Dev. | 43.188553 | 803 |
How to use BitMap in Turbo C++
This simple program explain you about how to use BitMap in Turbo C++.
NOTE :Before Running this program you have to copy one file in your "bgi" directory. That file either you have to download from the net or i will provide you. The file name is "SVGA256.BGI". Copy this file at your " tc\... | <urn:uuid:42406c72-efc8-4327-affe-94c3b061f01f> | 2.625 | 937 | Tutorial | Software Dev. | 71.10182 | 804 |
GREENHOUSE gas emissions in the 1990s could have been underestimated by billions of tonnes, throwing doubt on some of the maths behind the Kyoto Protocol, research by Australian and international scientists suggests.
The research team measured real-world changes in the amount of CO2 building up in the atmosphere agains... | <urn:uuid:90fd43b1-633c-4b55-8c3b-0e8fe0a3912e> | 3.546875 | 438 | News Article | Science & Tech. | 37.596817 | 805 |
caroline apprend a nager elle prend des lecons de
In a coordinate plane, the points (2,4) and (3,-1) are on a line. Which of the following must be true? 1. The line crosses the x-axis. 2. The line passes through (0, 0). 3. The line stays above the x-axis at all times. 4. The line rises from the lower left to the upper ... | <urn:uuid:b893e824-8132-4f01-92ab-ecd84c5ffbe8> | 3.203125 | 364 | Comment Section | Science & Tech. | 88.598527 | 806 |
Yes - of course it does. Without "random" in front choice is an attribute with no object. I didn't actually do it, but thats what would happen - "choice is not defined blahblah" Is that the same as saying its not a "global namespace"?
I'd have to consult a reference book to be 100% sure. I'm not certain how a pure obje... | <urn:uuid:62be6a2b-62af-4b65-b55d-fa907187d43b> | 2.78125 | 764 | Comment Section | Software Dev. | 66.57796 | 807 |
Coleps Video No. 1
This barrel-shaped ciliate is covered by a layer of protective, calcareous plates and is commonly found in freshwater. Coleps is a rapid swimmer, revolving as it travels and using this motion to bore out chunks of other protozoans it is feeding upon.
Questions or comments? Send us an email.
© 1995-20... | <urn:uuid:75fede60-aaaa-43a3-8aa0-1ddcab28b8a4> | 2.703125 | 147 | Truncated | Science & Tech. | 56.859891 | 808 |
Tiny phytoplankton in the oceans of the Northern Hemisphere had far larger extinction rates during the mass extinction event 65 million years ago than those living in the Southern Hemisphere, according to a paper published online this week in Nature Geoscience. The recovery of the Northern Hemisphere phytoplankton also... | <urn:uuid:f5fa14c6-eceb-476d-a47f-2b67315b738c> | 4.03125 | 209 | News Article | Science & Tech. | 16.813154 | 809 |
Anybody who has ever opened a guidebook to birds or plants is familiar with the range maps showing where a particular species lives. Precise ranges are well known for organisms that are well-studied, such as birds and trees in North America and Europe. . In the tropics and for harder to observe organisms, in contrast, ... | <urn:uuid:c75dbb44-feb7-4406-b090-3465a3d21c0e> | 3.53125 | 437 | Academic Writing | Science & Tech. | 26.3825 | 810 |
Press Release 09-241
Waterworld Discovered Transiting a Nearby Star
Charbonneau team realizes major advance in discovering habitable planets
December 16, 2009
View a Webcast with astronomer David Charbonneau.
Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star only 40 light-y... | <urn:uuid:8d0724d1-f45b-4e43-8baf-b1be50052bfc> | 3.171875 | 1,791 | News (Org.) | Science & Tech. | 57.767004 | 811 |
Query: classification: "42.83"
|Title||Temporal and spatial patterns of laying in the Moluccan megapode Eulipoa wallacei (G.R. Gray)|
|Keywords||Moluccan megapode; Eulipoa wallacei; egg production; lunar synchrony|
|Abstract||The Moluccan megapode Eulipoa wallacei (G.R. Gray, 1860) lays its eggs at night in the sand at... | <urn:uuid:98b4fecc-fb15-4189-8e5b-661392044a09> | 2.734375 | 228 | Structured Data | Science & Tech. | 37.591538 | 812 |
June 8, 1999 Built in record time in just 12 months, QuikScat, NASA's new ocean-observing satellite, will be launched on a Titan II rocket from California's Vandenberg Air Force Base at 7:15 p.m. Pacific Daylight Time on June 18. This satellite will be NASA's next "El Niño watcher" and will be used to better understand... | <urn:uuid:1e6dd016-85de-49a9-b816-7451951860c9> | 3.1875 | 1,195 | News Article | Science & Tech. | 33.528406 | 813 |
During the Star Wars years of the 1980s, Tom Paterson worked at a defense think tank creating elaborate mathematical models to help military commanders quickly decide which weapons to deploy to counter incoming missiles. Inputs from hundreds of sensors had to be combined to generate a consummate picture of events that ... | <urn:uuid:8c5268a3-fb7e-4809-b768-86b4ebe3e60c> | 2.984375 | 180 | Truncated | Science & Tech. | 25.887308 | 814 |
(Sen) - Inventive techniques using observations with some of the world's biggest telescopes have allowed astronomers to discover five new planets orbiting one of the closest stars to the Earth.
Tau Ceti, which lies only 12 light-years away and can easily be spotted on a clear night, is a star similar to the Sun and als... | <urn:uuid:df11def8-d7f5-431f-b0d9-35d6ab9e6b13> | 3.390625 | 661 | News Article | Science & Tech. | 40.714611 | 815 |
According to Jerry Ostriker (Plumian Professor, Cambridge; Professor of Astrophysics, Princeton; Provost, Princeton), "Surveys aren’t just something that astronomers do, they are the only thing astronomers do." These words are understandable, given Prof. Ostriker’s intimate association with the Sloan Digital Sky Survey... | <urn:uuid:80101575-69ba-46e0-b340-1aca4f28fe13> | 2.765625 | 389 | News (Org.) | Science & Tech. | 32.056667 | 816 |
Extraordinary claims require extraordinary evidence, as astronomer Carl Sagan once said. Sagan was talking about UFOs and aliens, but his words now stand as a watchword for skepticism in science.
But how do we know when a claim is extraordinary? Say, maybe when the aliens don't arrive from space?
Consider the controver... | <urn:uuid:f736850d-3fbb-4a28-bde9-15c63379644b> | 3.203125 | 2,061 | News Article | Science & Tech. | 37.790192 | 817 |
PI: Amy Bower (WHOI)
Deep ocean convection is limited to a small number of isolated regions worldwide, including the Labrador Sea, but it has a profound impact on the ocean’s thermohaline circulation and climate. While the convection process itself has been studied intensively over the last decade, the restratification... | <urn:uuid:bb499de1-55ad-43bb-9179-a3790bdeb6a5> | 3.40625 | 605 | Knowledge Article | Science & Tech. | 39.382818 | 818 |
These is a drawing of the interior of Io.
Click on image for full size
Interior of Io
The diagram to the left shows the interior of Io.
When the Galileo spacecraft flew by Io it took measurements which showed that Io was separated into two layers, as shown in this picture.
Thus scientists think that Io has a large core... | <urn:uuid:889341f1-6688-4305-a1ca-a53e92e4feaa> | 3.8125 | 466 | Content Listing | Science & Tech. | 64.861136 | 819 |
Given that only half of global warming is due to CO2, while another half is caused mainly by methane, world-leading scientists such as Professor of Global Environmental Health Kirk Smith and NASA’s Prof. James Hansen call for methane reduction strategies, for instance through reducing livestock, to be implemented rathe... | <urn:uuid:a23002ef-1971-45cb-84ce-ae7fd3866846> | 3.734375 | 326 | News (Org.) | Science & Tech. | 26.838158 | 820 |
A video and paper in Current Biology about a veined octopus, Amphioctopus marginatus, that carries coconut halves to deploy as a shelter has gotten a lot of play in the popular press. The story is usually accompanied by the claim that this is the first reported case of invertebrate tool use. Maybe this is true amongst ... | <urn:uuid:a2ad3ed3-feec-45bf-a39f-6113cdd51f10> | 3.34375 | 736 | Personal Blog | Science & Tech. | 43.075423 | 821 |
Last month, I had the opportunity to attend a sea level rise forum in Raleigh, NC organized by the North Carolina Department of Environment and Natural Resources; Division of Coastal Management. The purpose of this forum was to discuss the latest sea level rise science, what it means for North Carolina’s coastal commun... | <urn:uuid:1234ae3e-24c8-4ea4-9f8f-46eb3c698717> | 2.515625 | 1,016 | News (Org.) | Science & Tech. | 35.667109 | 822 |
The Center is registered in EPA's Acid Rain Program (since 2003)
Some of the major accomplishments of the program through 2009 include:
· Power plants have decreased emissions of SO2, aprecursor to acid rain, to 5.7 million tons in 2009, a 67 percent decrease from 1980 levels and a 64 percent decrease from 1990levels.T... | <urn:uuid:4c407b96-559d-4af8-8603-582b5b4f6c51> | 2.890625 | 285 | News (Org.) | Science & Tech. | 45.207405 | 823 |
In a typical year, it is not uncommon for a dozen or so comets to come within range of amateur telescopes. During the month of October, 2010, a small comet will pass unusually close to Earth. On Oct. 20, Comet Hartley 2 will pass just over 11 million miles (18 million km) from Earth. That is close enough for the comet ... | <urn:uuid:bae30682-110c-416b-bf84-eaae0f65eb55> | 4.28125 | 978 | Knowledge Article | Science & Tech. | 54.011878 | 824 |
posted by Dr. Amber Jenkins
Mimicry is the sincerest form of flattery. At least that’s how it goes in the technology world. Today’s researchers are developing solar-powered cells that look and behave exactly like plant leaves — they're green, they blow in the wind, and they absorb light and convert it into electrons. S... | <urn:uuid:14e1faad-e170-4612-afa7-7b2ba41ef34e> | 3.46875 | 250 | Personal Blog | Science & Tech. | 60.588462 | 825 |
API for probabilities.finite-distributions
Full namespace name: clojure.contrib.probabilities.finite-distributions
Finite probability distributions
This library defines a monad for combining finite probability
Public Variables and Functions
Usage: (certainly v)
Returns a distribution in which the single value v has pro... | <urn:uuid:8244fbf3-963b-4a47-b249-6879e79d406f> | 2.640625 | 487 | Documentation | Software Dev. | 40.991346 | 826 |
Line-of-sight propagation refers to electro-magnetic radiation or acoustic wave propagation. Electromagnetic transmission includes light emissions traveling in a straight line. The rays or waves may be diffracted, refracted, reflected, or absorbed by atmosphere and obstructions with material and generally cannot travel... | <urn:uuid:73f782c1-7cad-44a0-9556-b3f7e3645dbb> | 3.90625 | 1,938 | Knowledge Article | Science & Tech. | 29.193023 | 827 |
Posted Aug 24, 2003 by Joe Otten
The thing that has always puzzled me about black holes is what happens to the entropy of objects that fall into them?
By its description, a single infinitely dense point seems to have a very low entropy. But if we then let a high entropy object fall into a black hole, we appear to have ... | <urn:uuid:9616e3bc-10ce-4eb0-8304-f62106edf360> | 2.75 | 505 | Comment Section | Science & Tech. | 56.145625 | 828 |
As shown in the previous section, the table expression in the SELECT command constructs an intermediate virtual table by possibly combining tables, views, eliminating rows, grouping, etc. This table is finally passed on to processing by the select list. The select list determines which columns of the intermediate table... | <urn:uuid:078dec7b-148d-4b86-815d-78f899ab58e9> | 3.390625 | 949 | Documentation | Software Dev. | 60.170707 | 829 |
As soon as they lay their eggs, the female cichlids scoop them up into their mouths and incubate them until they hatch.
R. Buckminster Fuller was a twentieth century scientist, philosopher, inventor, and was also named a great architect.
Frogs also aren’t fussy eaters: any live prey will do. Some large species of frogs... | <urn:uuid:fb056eb6-e471-4532-8e19-5716b878c886> | 2.6875 | 127 | Knowledge Article | Science & Tech. | 64.371667 | 830 |
Is Copy and Paste Programming Really a Problem?
But it’s also a natural way to get stuff done – find something that already works, something that looks close to what you want to do, take a copy and use it as a starting point. Almost everybody has done in at some point. This is because there are times when copy and past... | <urn:uuid:5369c24e-168d-48c7-8b92-c49d00e68e2c> | 2.734375 | 1,881 | Knowledge Article | Software Dev. | 51.909472 | 831 |
Podcasts & RSS Feeds
Fri November 18, 2011
Climate Panel: More Extreme Weather On The Way
Brace yourself for more extreme weather. A group of more than 200 scientists convened by the United Nations says in a new report that climate change will bring more heat waves, more intense rainfall and more expensive natural disa... | <urn:uuid:ac85de45-aa76-493a-a023-3f6e999c643b> | 3.03125 | 661 | News Article | Science & Tech. | 41.208526 | 832 |
About this Base Converter
Base-2 to base-62 are accepted. "A" stands for 10, "Z" for 35, "a" (lower-case) for 36 and "z" (lower-case) for 61. Decimals are supported. This is a custom function because PHP's base_convert() doesn't accept decimals and only goes up to base-36. It's only as precise as PHP is, so don't blind... | <urn:uuid:ce241d9c-a5e7-42c3-95fb-ca084d804bf4> | 3.3125 | 547 | Q&A Forum | Software Dev. | 86.924719 | 833 |
Decimals: Terminating or Repeating?
Date: 01/26/2001 at 15:10:31 From: Seegee Subject: How to tell if decimals are terminating or repeating? How can you tell just by looking at a fraction whether, in decimal form, it will terminate or repeat? My math teacher said there was a way, but I don't see how. Please help.
Date:... | <urn:uuid:0b59b90c-c94d-4c23-a630-2488e207f922> | 2.5625 | 825 | Q&A Forum | Science & Tech. | 79.667553 | 834 |
The ICM and the IGM show metal lines in the X-ray spectra. These metals cannot have been produced in the gas, but they must have been produced in the galaxies and subsequently transported from the galaxies into the ICM/IGM by certain processes like e.g. ram-pressure stripping, galactic winds, galaxy-galaxy interaction ... | <urn:uuid:b0a9cfe3-eed9-450e-b1d8-fa1847ed42a6> | 3.109375 | 1,246 | Academic Writing | Science & Tech. | 47.962867 | 835 |
The factors behind the calving process were not well understood
US researchers have come up with a way to predict the rate at which ice shelves break apart into icebergs.
These sometimes spectacular occurrences, called calving events, are a key step in the process by which climate change drives sea level rise.
Computer... | <urn:uuid:345a4045-6f1f-4b6d-b5c0-385afebb5719> | 4.1875 | 592 | News Article | Science & Tech. | 47.018817 | 836 |
The two-week expedition in January encountered new species of fish, seaweed and other ocean life at little-studied Saba Bank Atoll, a coral-crowned seamount 250 kilometers southeast of Puerto Rico in the Dutch Windward Islands.
In a series of dives buffeted by high winds and strong currents, scientists from Conservatio... | <urn:uuid:aa1e7887-11e4-4c22-8351-2603e2629595> | 3.265625 | 323 | News Article | Science & Tech. | 5.966109 | 837 |
This might be a rare case about which Einstein was wrong. More than 60 years ago, the great physicist scoffed at the idea that anything could travel faster than light, even though quantum mechanics had suggested such a condition. Now four Swiss researchers have brought the possibility closer to reality. Testing a conce... | <urn:uuid:46289f9b-357a-4cc5-84f9-63d88b754926> | 3.53125 | 638 | News Article | Science & Tech. | 27.437129 | 838 |
By examining the frequency of extreme storm surges in the past, previous research has shown that there was an increasing tendency for storm hurricane surges when the climate was warmer. But how much worse will it get as temperatures rise in the future? How many extreme storm surges like that from Hurricane Katrina, whi... | <urn:uuid:2f131a1f-b5d6-4927-a819-681b2dc26ec8> | 3.5 | 681 | News Article | Science & Tech. | 37.22 | 839 |
One of the biggest questions in science has always been how the universe formed. Over the last century, we've made a lot of progress about understanding the way it has developed: The Big Bang Model. With the most sophisticated telescopes ever built, scientists have now made measurements confirming the accuracy of this ... | <urn:uuid:00b71dff-bd72-4193-b5dd-967dea413b6c> | 3.359375 | 198 | Personal Blog | Science & Tech. | 46.765129 | 840 |
A theoretical analysis of recent experiments suggests that a key feature of a topological quantum computer—the unusual statistics of quasiparticles in the quantum Hall effect—may finally have been observed.
By exploiting the concept of particle-hole duality, one can realize a point junction between integer and fraction... | <urn:uuid:a7f014e1-dfcd-46b7-926a-0554c521be0c> | 3 | 528 | Content Listing | Science & Tech. | 26.498604 | 841 |
glob, globfree - generate pathnames matching a pattern
int glob(const char *restrict pattern, int flags,
int(*errfunc)(const char *epath, int eerrno),
glob_t *restrict pglob);
void globfree(glob_t *pglob);
The glob() function is a pathname generator that shall implement the rules defined in XCU Pattern Matching Notatio... | <urn:uuid:6d8ae403-8926-4ae9-8f1d-fbb1012e153b> | 2.625 | 2,358 | Documentation | Software Dev. | 57.032625 | 842 |
Spawning, larval abundance and growth rate of Sardinops sagax off southwestern Australia: influence of an anomalous eastern boundary current
Muhling, B.A., Beckley, L.E., Gaughan, D.J., Jones, C.M., Miskiewicz, A.G. and Hesp, S.A. (2008) Spawning, larval abundance and growth rate of Sardinops sagax off southwestern Aus... | <urn:uuid:533fb574-5afc-4789-abc4-48eefb006a8b> | 2.59375 | 494 | Academic Writing | Science & Tech. | 28.585871 | 843 |
Studying PHP's (5.3.1 and below) LCG (linear congruential generator, a pseudorandom number generator), I discovered that there are weaknesses that reduce the complexity of determining the sequence of pseudorandom numbers. What this means is that PHP is severely deficient in producing random session IDs or random number... | <urn:uuid:3772de06-94c3-405c-9dcc-6657134209ce> | 2.609375 | 585 | Personal Blog | Software Dev. | 80.587308 | 844 |
Seasonal Recharge Components in an Urban/Agricultural Mountain Front Aquifer System Using Noble Gas Thermometry
Thirteen noble gas samples were collected from eleven wells and two mountain springs in the Treasure Valley, Idaho, USA to derive recharge temperatures using noble gas thermometry. One common assumption with ... | <urn:uuid:a0313fb3-8834-42d5-a533-ffdf813c2f40> | 2.984375 | 342 | Academic Writing | Science & Tech. | 31.412788 | 845 |
After a nasty blizzard temporarily disabled Washington this winter, conservative politicians and pundits jammed the airwaves with claims the storm “contradicted Al Gore’s hysterical global warming theories.” Their myopia was derided by climate scientists and Stephen Colbert alike, who said on his show: “Now folks, that... | <urn:uuid:430af643-55ba-48af-bddf-c87b35d775fa> | 2.5625 | 440 | News (Org.) | Science & Tech. | 43.484763 | 846 |
Wind Could Power the World
Studies: Wind potentially could power the world
AP : By Seth Borenstein, AP Science Writer
Earth has more than enough wind to power the entire world, at least technically, two new studies find.
But the research looks only at physics, not finances. Other experts note it would be too costly to ... | <urn:uuid:1eb5a5a8-58d8-48e6-aa94-164b72fc7910> | 3.046875 | 697 | News Article | Science & Tech. | 48.218918 | 847 |
The sun is an incredibly powerful source of energy. That’s why TVA is using photovoltaic (PV) panels to transform solar energy into usable electricity.
When rays of sunshine strike a solar panel, they give some of the electrons inside it more energy, a process that creates an electrical current.
TVA has set up photovol... | <urn:uuid:400eb44e-fdd0-469d-baa4-fa5637d16c63> | 3.828125 | 317 | Customer Support | Science & Tech. | 48.447662 | 848 |
A major thrust of the effort is to establish the potential of this technology for calibration and validation of satellite-based ocean-color measurements. The new floats are enabled with a two-way communication system that allows researchers to control when the floats descend and ascend, and when they take measurements.... | <urn:uuid:86a4d0af-43ea-427a-b6b4-0ae157b49020> | 3.359375 | 399 | News (Org.) | Science & Tech. | 27.610455 | 849 |
Sensors flag environmental damage to art at the Met
NEW YORK It will take a good eye to spot them, but dozens of tiny, very modern works of art have been installed near the 15th-century unicorn tapestries and other medieval masterpieces at a New York City museum.
The Metropolitan Museum of Art announced this week that ... | <urn:uuid:e3defdde-49cc-4009-bac0-90499eea86eb> | 3 | 1,006 | News Article | Science & Tech. | 48.372814 | 850 |
Environmental Monitoring in Antarctica
Environmental monitoring is essential in Antarctica to allow assessment of the impacts of human activities. Examples of the this monitoring work carried out by BAS are given below.
Sewage outfall monitoring, Rothera Station
Until 2003, untreated sewage was discharged into the sea ... | <urn:uuid:57464506-f84d-40c7-9971-acbb34e72820> | 3.3125 | 232 | Knowledge Article | Science & Tech. | 12.907895 | 851 |
Study foretold a consequence of oil leak
It wasn’t until seven weeks after the
But an unusual experiment conducted in 2000 off the coast of Norway, a trial run of a deep-water oil and gas spill that BP helped pay for, showed that oil could remain underwater for some time.
The North Atlantic exercise was designed to und... | <urn:uuid:01e003e8-e47e-4de5-9e8b-64a6f8bace08> | 3.5625 | 1,314 | News Article | Science & Tech. | 44.988904 | 852 |
Although researchers can't be exactly sure how old the bacteria are — or how they reproduce — microbiologists at Aarhus University in Denmark posit that the ancient organisms could be anywhere from several thousand to millions of year old, The Washington Post's Joel Achenback reports.
The bacteria, found living in sedi... | <urn:uuid:dcd7cbcc-ad75-4944-973e-9572ff78a9ba> | 4.0625 | 183 | News Article | Science & Tech. | 23.908286 | 853 |
If you download this publication you may also be interested in these:
Facing an uncertain future
How forest and people can adapt to climate changeCenter for International Forestry Research (CIFOR)Bogor, Indonesia
The most prominent international responses to climate change focus on mitigation (reducing the accumulation... | <urn:uuid:57106d23-5399-4426-a853-4136284a3a19> | 2.859375 | 272 | Truncated | Science & Tech. | -0.745517 | 854 |
In Northeast Ohio, coyotes trot across runways at Burke Lakefront Airport within sight of Cleveland's skyscrapers, and dodge traffic on busy highways like U.S. 422 near Solon.
In Chicago a couple of years ago, one sauntered into a sandwich shop in the downtown Loop and plopped down in the beverage cooler.
In New York, ... | <urn:uuid:b121f276-473f-46bf-a1d4-06e864e8ab71> | 2.796875 | 2,079 | News Article | Science & Tech. | 43.324073 | 855 |
Cascading Importance: Wolves, Yellowstone, and the World Beyond. A talk with William Ripple. Jonathan Batchelor Winter 2013.
Large Predators and Ecological Health WAMC Northeast Public Radio August 23.
Top Predators Protect Forests The Wildlife Professional Summer 2012.
Cougars Encourage Lizards in Zion Year of the Liz... | <urn:uuid:8d55d791-f938-4846-9347-17c697c329a0> | 3.390625 | 1,508 | Content Listing | Science & Tech. | 56.17466 | 856 |
Some researchers believe that the solar cycle influences global climate changes. They attribute recent warming trends to cyclic variation. Skeptics, though, argue that there's little hard evidence of a solar hand in recent climate changes.
Now, a new research report from a surprising source may help to lay this skeptic... | <urn:uuid:589e8396-cc38-487e-ba70-b4542b127704> | 3.84375 | 448 | News Article | Science & Tech. | 42.7468 | 857 |
This Dawn FC (framing camera) image shows some of the undulating terrain in Vesta’s southern hemisphere. This undulating terrain consists of linear, curving hills and depressions, which are most distinct in the right of the image. Many narrow, linear grooves run in various directions across this undulating terrain. The... | <urn:uuid:070933fb-a8a3-406a-8b89-95e2d798f517> | 3.265625 | 459 | Knowledge Article | Science & Tech. | 44.139553 | 858 |
Working in collaboration with the CAO, SANParks and the University of
the Witwatersrand, the CSIR's Earth observations research groups have
achieved several milestones, changing the way large areas like the KNP
and surrounding areas can be managed.
According to Prof Greg Asner, professor at the Department for Global
Ec... | <urn:uuid:99c23dc7-b725-4ad6-8a8b-c23e4b5b4416> | 2.96875 | 1,223 | News Article | Science & Tech. | 26.964535 | 859 |
Jump to the main content of this page
Pacific Southwest Research Station
Tahoe Science Projects supported by SNPLMA
Remote sensing of Lake Tahoe's nearshore environment
Erin Lee Hestir, University of California, Davis
The goal of this research is to use remotely sensed data to retrieve fine sediment, chlorophyll, and c... | <urn:uuid:b75db238-5845-4d8f-8c9c-2a479659e8ca> | 2.578125 | 724 | Knowledge Article | Science & Tech. | 9.61561 | 860 |
"This paper has very strong implications for the United States staying ahead in magnet technology, which would bring great dividends in research and improvements in medical imaging."
A scientific surprise greets FSU researchers at higher magnetic fields
by Susan Ray
Research performed by a team at Florida State Univers... | <urn:uuid:c26c1d37-b8a7-47b0-bcc1-3c4cbdbd7343> | 2.984375 | 823 | News (Org.) | Science & Tech. | 36.790437 | 861 |
|Freshwater Mussels of the Upper Mississippi River System|
Mussel Conservation Activities
2005 Highlights: Possible fish predation of subadult Higgins eye was observed in the Upper Mississippi River, Pools 2 and 4.
Subadult Higgins eye pearlymussels (Lampsilis higginsii) from the Upper Mississippi River, Pools 2 and 4.... | <urn:uuid:931a73fa-5694-4b94-93fe-4dedcf039dcd> | 3.015625 | 227 | Knowledge Article | Science & Tech. | 30.7425 | 862 |
HELCOM Indicator Fact Sheets for 2005
As the environmental focal point of the Baltic Sea, HELCOM has been assessing the sources and inputs of nutrients and hazardous substances and their effects on ecosystems in the Baltic Sea for almost 30 years. The resulting indicators are based on scientific research carried out ar... | <urn:uuid:7c6ebf00-01dd-49e4-b7ae-1c894499c4ed> | 3.15625 | 1,838 | Structured Data | Science & Tech. | 32.555379 | 863 |
Look out for Asteroid 2012 DA14.
It is heading toward Earth at 17,450 miles per hour, according to NASA, and the tug of our planet's gravitational field will cause it to accelerate when it gets here.
But it's not going to strike us, when it passes by on Feb. 15. NASA is adamant about this.
"It's orbit is very well-know... | <urn:uuid:a72bb2dd-4a07-4f8e-ae29-473bfc427530> | 3.25 | 856 | News Article | Science & Tech. | 59.00901 | 864 |
slot-missing class object slot-name operation &optional new-value => result*
slot-missing (class t) object slot-name operation &optional new-value
Arguments and Values:
class---the class of object.
slot-name---a symbol (the name of a would-be slot).
operation---one of the symbols setf, slot-boundp, slot-makunbound, or ... | <urn:uuid:b143a54e-cab0-40a5-9564-dd175c5caccb> | 3.015625 | 348 | Documentation | Software Dev. | 51.614314 | 865 |
At the bottom of the code page is a text area where you can enter the URL for a Web accessible dataset and a browse button for selecting a dataset on your computer. Either way, the dataset will be read in using read.table with header=T and stored in a dataframe called X. The dataframe, X, will then be attached so you c... | <urn:uuid:6bcfbbcc-7a9d-4db7-b92b-6bc57541cd9d> | 2.5625 | 865 | Documentation | Software Dev. | 71.088842 | 866 |
Behind the buzz and beyond the hype:
Our Nanowerk-exclusive feature articles
Posted: Jun 28th, 2010
Novel maskless e-beam technique a promising tool for engineering metallic nanostructures
(Nanowerk Spotlight) The manufacture of certain types of nanostructures – nanotubes, graphene, nanoparticles, etc. – has already en... | <urn:uuid:ef3f121e-0523-4e2c-99bf-7396c4f065d5> | 3.0625 | 1,207 | News Article | Science & Tech. | 13.430458 | 867 |
AN ILLUSION device that makes one object look like another could one day be used to camouflage military planes or create "holes" in solid walls.
The idea builds on the optical properties of so-called metamaterials, which can bend light in almost any direction. In 2006, researchers used this idea to create an "invisibil... | <urn:uuid:1a023e00-0243-4afa-8be5-70df19c7bc36> | 3.4375 | 215 | Truncated | Science & Tech. | 47.467219 | 868 |
11/27/2010 - International delegates Saturday adopted new protections for seven species of shark in the Atlantic Ocean but rejected restrictions for bluefin tuna and swordfish, leaving the future of some of the world's most imperiled marine predators uncertain.
Matt Rand, who directs global shark conservation for the W... | <urn:uuid:857127d8-b3b6-4250-acf2-1154a693ab48> | 2.859375 | 235 | News Article | Science & Tech. | 23.109701 | 869 |
Tapping the Liquid Gold
WATER BATTLE SITES
Central Plains Water scheme: involves taking water from the Rakaia and Waimakariri rivers and storing it in a reservoir in the dammed Waianiwaniwa Valley. The water will be used to irrigate 60,000ha bounded by the rivers, SH1 and the Malvern foothills. Red Zones: Environment C... | <urn:uuid:07fc4255-e897-4380-91d9-8c1e8a7687e0> | 2.921875 | 358 | Truncated | Science & Tech. | 49.35227 | 870 |
June 9, 2010 Three-dimensional imaging is dramatically expanding the ability of researchers to examine biological specimens, enabling a peek into their internal structures. And recent advances in X-ray diffraction methods have helped extend the limit of this approach.
While significant progress has been made in optical... | <urn:uuid:147d7363-857e-4221-9731-f3d1f731081a> | 3.25 | 1,009 | News Article | Science & Tech. | 32.543814 | 871 |
Web edition: May 27, 2011
It took no time in December for critics to cast doubt on the remarkable claim that a bacterium force-fed with arsenic incorporated some of the poison into its cells and even its DNA. As soon as the Science paper by Felisa Wolfe-Simon and colleagues was published, critics took to the airwaves a... | <urn:uuid:87e7b736-923c-4fe6-97ac-1e3f2e149342> | 2.875 | 363 | Knowledge Article | Science & Tech. | 40.332408 | 872 |
Screenshot via MBARI video
The newly discovered carnivorous "harp sponge."
Candelabra-shaped and carnivorous, a newly discovered sea creature — the "harp sponge" — has been found clinging to the ocean floor off Monterey Bay.
Armed with "Velcro-like barbed hooks," the sponge — first observed via remote vehicle by a Mont... | <urn:uuid:07937f17-c5c0-4aaf-9395-95bc4d9889c0> | 3.625 | 236 | News Article | Science & Tech. | 41.546039 | 873 |
Observing the rock 2012 DA14 flying past the Earth on 16 February 2013
The path of asteroid 2012 DA14 across the south-west sky as seen from Sydney on the morning of Saturday 16 February 2013. The times indicated are in AEDT while the positions with relation to the horizon are calculated for 5:00 am. Diagram Nick Lomb
... | <urn:uuid:cc5b1486-e3cb-49eb-89f1-8fd7db7b83f3> | 3.046875 | 871 | Knowledge Article | Science & Tech. | 72.726366 | 874 |
The Geological Perspective On Global Warming: A Debate
Dr Colin P. Summerhayes, Vice-President of the Geological Society of London
Dear Dr Peiser,
In the interest of contributing to the evidence-based debate on climate change I thought it would be constructive to draw to your attention the geological evidence regarding... | <urn:uuid:f0965eb8-455d-443b-9cf9-720d790d4628> | 3.578125 | 3,605 | Audio Transcript | Science & Tech. | 40.039931 | 875 |
A Hot Paper for Warm Weather: Research on Fire and Climate Change Honored
When the weather warms up in the American West, most people are just enjoying the blooms and greenery. But fire-watchers know the lush landscape will turn into tinder when temperatures soar. And the more plant material there is, the more flammabl... | <urn:uuid:a401102a-5c55-4c3a-a8d7-68e42585b971> | 3.1875 | 485 | News (Org.) | Science & Tech. | 38.894167 | 876 |
The Array object is used to store multiple values in a single variable.
Create an array, and assign values to it:
You will find more examples at the bottom of this page.
An array is a special variable, which can hold more than one value at a time.
If you have a list of items (a list of car names, for example), storing ... | <urn:uuid:ce9fe621-e329-44db-acf6-98f01c2ee7b3> | 4.28125 | 360 | Documentation | Software Dev. | 60.750141 | 877 |
New Hybrid Deep-sea Vehicle Is Christened Nereus
Unique underwater vehicle is named in nationwide student contest
Nereus—a mythical god with a fish tail and a man’s torso—was chosen Sunday (June 25) in a nationwide contest as the name of a first-of-its-kind, deep-sea vehicle under construction at the Woods Hole Oceanog... | <urn:uuid:4a1406d4-54ab-4282-b555-e51a18bc1888> | 2.609375 | 1,137 | News (Org.) | Science & Tech. | 33.6309 | 878 |
Karner Blue Butterfly and Concord (NH) Pine Barrens Project
Photo: Lindsay Webb/NHFG
Project Goal: To reintroduce the Karner blue butterfly (Lycaeides melissa samuelis) in Concord, NH and to maintain the Concord Pine Barrens through habitat management.
Timeline: NH Fish and Game's Nongame Program began restoring the Co... | <urn:uuid:16bb6ee8-7314-4dbd-b1d3-333b8c1fe6c8> | 3.09375 | 1,248 | Knowledge Article | Science & Tech. | 37.043905 | 879 |
Scientists have identified a never-before-seen type of meteorite from Mars that has 10 times more water and far more oxygen in it than any previous Martian sample.
The meteorite was found in the Sahara Desert in 2011 and has the official name of Northwest Africa 7034. It is a small basaltic rock — nicknamed “Black Beau... | <urn:uuid:76c66113-f06e-418b-94a8-9f28e8378eac> | 3.640625 | 186 | News Article | Science & Tech. | 51.188158 | 880 |
|Life depends on an essentially continuous exchange of
mass and energy between living organisms and their environment.
Human impact on this vital exchange has occurred on a global or
macroclimate scale. Understanding the physical principles
involved in heat transfer and absorption in the atmosphere is critical
to under... | <urn:uuid:77831d47-ed83-47e1-aa8f-16bc431d8619> | 4 | 1,507 | Tutorial | Science & Tech. | 37.059793 | 881 |
Introduction to Enzymes
The following has been excerpted from a very popular Worthington publication which was originally published in 1972 as the Manual of Clinical Enzyme Measurements. While some of the presentation may seem somewhat dated, the basic concepts are still helpful for researchers who must use enzymes but... | <urn:uuid:cb68bdbc-cf40-4d1b-ba86-741aa42fc245> | 4.09375 | 234 | Tutorial | Science & Tech. | 32.380483 | 882 |
In Journey into the Cell, we looked at the structure of the two major types of cells: prokaryotic and eukaryotic cells. Now we turn our attention to the "power houses" of a eukaryotic cell, the mitochondria.
Mitochondria are the cell's power producers. They convert energy into forms that are usable by the cell. Located... | <urn:uuid:725b19ff-601b-4c5b-9e4d-2293b902f895> | 4.0625 | 351 | Knowledge Article | Science & Tech. | 31.740185 | 883 |
- About Us
- SW Climate
February 2012 La Niña Drought Tracker
February 08, 2012 / Vol. 2 / Issue 3 / Drought Tracker / A Publication by CLIMAS
After a wet December, more typical, dry La Niña conditions returned in January. Across Arizona and New Mexico precipitation generally was less than 50 percent of average, with l... | <urn:uuid:4d01727a-1f35-48cc-bf09-97d8ab052898> | 2.84375 | 1,202 | Knowledge Article | Science & Tech. | 30.820836 | 884 |
Date of this Version
Nebraska Public Power District (NPPD) has monitored water quality since 1989 and fish populations since 1993 on the Niobrara River in Nebraska in the vicinity of Spencer Hydro during "flushing" or "sluicing" activities. These sluicing activities alter water quality in the river downstream, which ca... | <urn:uuid:942a696e-3c5f-47bb-a446-1ed17907725a> | 3.421875 | 265 | Knowledge Article | Science & Tech. | 47.09828 | 885 |
The number of hurricanes occurring annually on a global basis varies widely from ocean to ocean. Globally, about 80 tropical cyclones occur annually, one-third of which achieve hurricane status. The most active area is the western Pacific Ocean, which contains a wide expanse of warm ocean water. In contrast, the Atlant... | <urn:uuid:0788c2d8-b4c3-485e-875b-d43d7b2f6669> | 4.09375 | 1,333 | Knowledge Article | Science & Tech. | 35.155389 | 886 |
How strong is the strong force?
I bet you think you asked a simple question. The simple answer is that the strength depends on the range over which it is acting. At short distances the strong force is weak and at long distances it is strong. That is completely different from the other three forces and arises because th... | <urn:uuid:68df6dec-0c9d-44aa-8f93-eb17e7711579> | 3.625 | 1,867 | Q&A Forum | Science & Tech. | 54.305438 | 887 |
USGS Multimedia Gallery
Title: Deep-Sea Cold Water Coral
Description: Fish like this Atlantic Roughy (Hoplostethus occidentalis) congregate near deep-sea corals (background is Lophelia pertusa coral).
Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for ... | <urn:uuid:ca29d10c-b682-40e2-ab5b-292c61c3893f> | 2.671875 | 93 | Truncated | Science & Tech. | 26.965445 | 888 |
I have to determine all values of h for which A is invertible and I really don't know what should be my first step( If anyone could guide me through this that would be awesome. Here's the matrix:
1 1 0 1
1 0 0 1
0 1 2h + 1
0 1 1 h
You mean then that the matrix is
I see two ways to do that. One is to use the fact that a... | <urn:uuid:e55dfbfc-3621-4afe-a9fe-90f7b2eedff1> | 2.578125 | 317 | Q&A Forum | Science & Tech. | 60.877356 | 889 |
A bag contains n discs, made up of red and blue colours. Two discs are removed from the bag.
If the probability of selecting two discs of the same colour is 1/2, what can you say about the number of discs in the bag?
Let there be r red discs, so P(RB) = r/n (nr)/(n1), similarly,
P(BR) = (nr)/n r/(n1).
Therefore, P(diff... | <urn:uuid:c329b7b4-cde7-4cf9-96f3-2a0ef6253d5c> | 2.9375 | 304 | Q&A Forum | Science & Tech. | 94.961703 | 890 |
US space agency Nasa has launched two spacecraft that are expected to make the first 3D movies of the Sun.
CMEs will typically throw a billion tonnes of matter into space
The Stereo mission will study violent eruptions from our parent star known as coronal mass ejections (CMEs).
The eruptions create huge clouds of ener... | <urn:uuid:6f2403d8-90af-4141-8e0a-3d439e28dc68> | 3.515625 | 1,334 | News Article | Science & Tech. | 42.3394 | 891 |
Call it the fish version of instant messaging. When a fish is injured, it secretes a compound that makes other fish dart away (as seen in the latter
half of the sped up video above, when the red light flashes). The substance, named Schreckstoff (German for "scary stuff"), protects the entire
community of fish, but no o... | <urn:uuid:f62ada12-ac3e-4219-927e-689986852153> | 2.953125 | 168 | Truncated | Science & Tech. | 59.762467 | 892 |
viyh writes with coverage on MSNBC of the discovery of ancient microbes fossilized in the gut of a termite. "One hundred million years ago a termite was wounded and its abdomen split open. The resin of a pine tree slowly enveloped its body and the contents of its gut. In what is now the Hukawng Valley in Myanmar, the r... | <urn:uuid:0c0fbe56-5503-4d58-ba33-62129727e0f4> | 3.1875 | 186 | News Article | Science & Tech. | 52.459685 | 893 |
After Higgs Boson, scientists prepare for next quantum leapFebruary 13th, 2013 in Physics / General Physics
A graphic distributed on July 4, 2012 by CERN in Geneva shows a representation of traces of a proton-proton collision measured in the search for the Higgs boson. Seven months after its scientists made a landmark ... | <urn:uuid:d348472a-a0ad-45b4-ac28-b6f820112b17> | 3.1875 | 1,222 | News Article | Science & Tech. | 56.197368 | 894 |
June 22, 1976. North Atlantic. At 21:13 GMT a pale orange glow behind a bank of towering cumulus to the west was observed. Two minutes later a white disc was observed while the glow from behind the cloud persisted.
High probability that this may have been caused by interferometry using 3-dimensional artificial scalar w... | <urn:uuid:5ff0ec8a-893b-4fc8-b51a-53a907c3402b> | 2.921875 | 452 | Knowledge Article | Science & Tech. | 62.622889 | 895 |
Saturn's largest moon, Titan, pictured to the right of the gas giant in the Cassini spacecraft view.
Scientists have discovered methane lakes in the tropical areas of Saturn's moon Titan, one of which is about half the size of Utah's Great Salt Lake, with a depth of at least one meter.
The longstanding bodies of liquid... | <urn:uuid:feb8a43b-30f8-45e2-a4b8-ba618234e936> | 3.921875 | 411 | News Article | Science & Tech. | 41.223214 | 896 |
published a paper (PDF) comparing performance of four programming languages, C++, its own language Go, Java and Scala. A team at Google created a "simple and compact" benchmark that didn't take advantage of language-specific features. An algorithm was implemented using each language's "idiomatic container classes, loop... | <urn:uuid:81e0c93e-bacb-49f3-b304-265ce00899c8> | 2.65625 | 334 | Personal Blog | Software Dev. | 26.796375 | 897 |
Herschel Space Observatory
Launch Date: May 14, 2009
Mission Project Home Page - http://herschel.jpl.nasa.gov/
Herschel's infrared image of the Andromeda Galaxy shows rings of dust that trace gaseous reservoirs where new stars are forming and XMM-Newton's X-ray image shows stars approaching the ends of their lives. Bot... | <urn:uuid:1ce46b18-ab5f-48ab-aacd-8ef745e71dd4> | 3.671875 | 768 | Knowledge Article | Science & Tech. | 50.385784 | 898 |
One winter morning about two years ago, marine mammal scientist Anton van Helden was driving hell-for-leather up to the far north of New Zealand. A thirteen-and-a-half hour haul would take him to the beach where the first pygmy killer whale to strand itself in New Zealand was lying, and he wasn’t going to miss the chan... | <urn:uuid:859bf0af-c2f3-4a82-88d1-775e7aebd9fd> | 3.078125 | 1,340 | News Article | Science & Tech. | 53.274264 | 899 |