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A step change for biodiversity knowledge
04 July 2012 | Article
"The hopes are high for IPBES to become an authoritative global mechanism recognized by scientists and policy makers alike to pull together dispersed information, syntheses and analyses on biodiversity and ecosystems. By building on existing processes and ... | <urn:uuid:cf6e240c-5509-4c07-85c4-1edaabcd9cd2> | 3.09375 | 337 | News (Org.) | Science & Tech. | 9.288932 | 3,300 |
Conserving the coral reefs and rainforests of Europe
"Seen from the urban environment of Brussels, the direct link between biodiversity and human well-being might seem like a vague concept. But for the people of French Polynesia, it is an obvious reality," writes Jean-Philippe Palasi, EU Policy Director at Conservation... | <urn:uuid:20156fff-22d6-422f-87f6-92dc480ca572> | 2.9375 | 179 | News (Org.) | Science & Tech. | 24.579427 | 3,301 |
In Java, I need to write a while loop that will run for 10 seconds and after every 50 loops it will print the number of loops run so far in that set time.
Break the solution down into steps.
First make a java program.
Then make a loop that runs for 10 seconds inside the program.
Once this part works, add a counter to c... | <urn:uuid:11a32d57-0468-4b91-9896-941f841bc21e> | 2.546875 | 141 | Q&A Forum | Software Dev. | 75.551332 | 3,302 |
1.)When do action and reaction forces within a system not cancel each other? a.)When the action force is double the resistance of friction =b.)When the reaction force is contained in separate events c.)Never, they always cancel each other d.)Only on February 29th during a full...
Though in the first one you may not eve... | <urn:uuid:0d2302d7-b8f2-4a50-928a-322a379cdbd6> | 3.484375 | 432 | Q&A Forum | Science & Tech. | 83.485806 | 3,303 |
Death in the Deep Freeze
Preserve your Body for a Better Future
Cryogenics: The branch of physics dealing with the production and effects of very low temperatures.
The one certainty in life is death! But, a small group of people are attempting to defy the inevitable. Their ticket to a second life is a controversial exp... | <urn:uuid:f4a79f5f-932d-4d68-beaf-0e6e6ed1c5a4> | 2.84375 | 1,032 | Knowledge Article | Science & Tech. | 39.458596 | 3,304 |
It has taken almost 50 years to conceive and build and has cost $600 million, but now NASA's Gravity Probe B spacecraft could be upstaged by telescopes on the ground.
The craft is designed to accurately test Einstein's general theory of relativity. According to the theory, a gyroscope orbiting a massive object such as ... | <urn:uuid:4efe78b8-c71b-4b24-85d0-e8fd7f9d3a1f> | 3.890625 | 857 | Truncated | Science & Tech. | 41.274785 | 3,305 |
India's dwindling forests could be revived with the help of an artificial topsoil made from waste. Initial studies suggest that the mixture of sewage sludge, fly ash (the residue from burning coal) and weed compost can increase plant growth by between 50 and 200 per cent on poor eroded soils.
Researchers from the Depar... | <urn:uuid:cc3689bf-6eac-4dff-bfd4-a11697d89118> | 3.578125 | 203 | Truncated | Science & Tech. | 54.508995 | 3,306 |
Zap a metal with light and the electrons on the surface ripple into waves ? known as plasmons ? which emit light of their own. The frequency of that light reflects the electronic nature of the surface and is highly sensitive to contamination.
Kevin Tetz and colleagues in the Ultrafast and Nanoscale Optics Group
at the ... | <urn:uuid:be9907dc-4833-4a99-9357-ce5ec204dda8> | 3.703125 | 230 | News (Org.) | Science & Tech. | 39.722632 | 3,307 |
Date: Spring 2012
I am teaching a high school Earth and Space Science class to a group of graduating students. I was curious if you know of some approach or way I could include kite flying into a lesson? This way they could get outside and soak up some fresh air and relax a little in the last couple weeks of school. I ... | <urn:uuid:6f03f43c-d446-4366-8d42-6ed5db1627d3> | 3.1875 | 607 | Comment Section | Science & Tech. | 64.121592 | 3,308 |
Though pretty, purple loosestrife has the ability to overrun native plants
Nonnative species are also referred to as introduced, exotic, or alien species. The National Park Service defines nonnative as species that occur in a given place as a result of direct, indirect, deliberate, or accidental actions by humans. Plan... | <urn:uuid:04492fea-4dfa-47f5-9c5a-65914819d1d9> | 3.703125 | 406 | Knowledge Article | Science & Tech. | 20.353891 | 3,309 |
Josephson's research has turned up an astounding variety of dead ends. There was, for instance, food irradiation. Starting as early as the 1950's, the Soviets had tried irradiating fruits, fish, meat and potatoes as a means of preservation. They also tried irradiating hens, seeds and barnyard breeding stock to increase... | <urn:uuid:1795a771-ae39-478d-b923-b87ec9cf95a5> | 2.578125 | 672 | Nonfiction Writing | Science & Tech. | 41.252367 | 3,310 |
Adam Burrows, a professor of astrophysical sciences at Princeton, has led a team of researchers to find a way to make computer simulations of supernovae exploding in three dimensions. The achievement could lead to new scientific insights. Even though these mammoth explosions have been observed for thousands of years, f... | <urn:uuid:913608f8-946e-417f-8296-51dca53b33b8> | 3.828125 | 1,689 | News Article | Science & Tech. | 34.327177 | 3,311 |
Quantitating DNA - How they did it back then? (Feb/15/2009 )
We now know that DNA with a concentration of 50ug/mL has an OD of 1.0 at 260nm and this value helps us determine our sample's DNA concentration.
Can anyone shed light or provide links as to how scientist arrive at that relationship? If it's by a standard curv... | <urn:uuid:c07a34ef-efcc-465e-9dd9-f5d28d48e1ec> | 2.953125 | 219 | Comment Section | Science & Tech. | 72.768057 | 3,312 |
The peak oil crisis: the quantum fusion hypothesis
For nearly 25 years now, the idea that it might be possible to extract unlimited amounts of energy from the nucleus of a hydrogen atom at low temperatures has been pretty much in disrepute. When major laboratories were unable to detect nuclear reactions on their work b... | <urn:uuid:2437148e-00ac-4d84-b3cd-f9b22b323293> | 3.03125 | 1,208 | Nonfiction Writing | Science & Tech. | 39.906799 | 3,313 |
In cell biology, an organelle is one of several structures with specialized functions, suspended in the cytoplasm of a eukaryotic cell.
Eukaryotes are the most structurally complex known cell type, and by definition are in part organized by smaller interior compartments, that are themselves enclosed by lipid membranes ... | <urn:uuid:1550308e-527d-4188-a773-c2cc22130e32> | 3.5 | 179 | Knowledge Article | Science & Tech. | 3.001157 | 3,314 |
July 22, 2004 LOS ALAMOS, N.M., July 13, 2004 -- Nearly five billion years ago, the giant gaseous planets Jupiter and Saturn formed, apparently in radically different ways.
So says a scientist at the University of California's Los Alamos National Laboratory who created exhaustive computer models based on experiments in... | <urn:uuid:2da1b080-9ee1-4d65-9510-88e8fec60a63> | 3.453125 | 913 | News Article | Science & Tech. | 25.637668 | 3,315 |
Feb. 6, 2013 The location of an underwater volcanic vent, marked by a low-lying plume of shimmering water, has been revealed by scientists at the National Oceanography Centre, Southampton.
Writing in the journal PLOS ONE the researchers describe how the vent, discovered in a remote region of the Southern Ocean, differs... | <urn:uuid:481624a3-8cf0-4ae8-b5e6-96d251197ff5> | 4.0625 | 834 | News Article | Science & Tech. | 37.326896 | 3,316 |
EARLY SPRING in the Lamar River Valley: several wolves chase elk while an interested grizzly bear awaits the outcome. Grizzlies can drive wolves off a kill; more often they scavenge after the wolves have eaten their fill. Image: DIANE HARGREAVES
Several scrawny cottonwood trees do not usually generate much excitement i... | <urn:uuid:cdd9b6d4-d9d1-48f3-ad8d-a010794d6115> | 3.015625 | 319 | News Article | Science & Tech. | 53.051862 | 3,317 |
= user generated What's this?
This image provided by:
A scenario of Jupiter system formation. First phase: Jupiter forms, its Hill and outer radii coincide, and no subnebula can exist (first line). Second phase: formation of the satellite system. A subnebula appears, fed in its infancy by gas and gas-coupled solids ori... | <urn:uuid:db6ddd58-4306-491e-8872-bcc3c40affe9> | 3.1875 | 1,535 | Truncated | Science & Tech. | 16.415269 | 3,318 |
Invisibility Cloaks Get Bigger
Print out big sheets of metamaterials to create real-life invisibility cloaks? A new technique developed by John Rogers, a professor of materials science and engineering at the University of Illinois at Urbana-Champaign, seems to make this possible.
Although practical invisibility cloaks ... | <urn:uuid:08375331-1867-4eb2-bed3-f8866aebcc84> | 3.46875 | 1,272 | News Article | Science & Tech. | 50.645412 | 3,319 |
Polarized light glinting off solar panels acts as an attractant to aquatic insects that see polarized light as a water indicator. Solar arrays are lethal to aquatic insects because the insects, mesmerized by the polarized light, fly over the solar panel surface until they die of exhaustion. Insects are important becaus... | <urn:uuid:ba96cb4e-09a3-4641-b7da-9f3bc2ea4b5c> | 2.921875 | 145 | Listicle | Science & Tech. | 21.323289 | 3,320 |
Narrator: This is Science Today. Planets discovered
outside our solar system were found to have an elliptical
orbit, rather than the circular orbit of our own planets.
Geoff Marcy, a professor of astronomy at the University
of California, Berkeley, says this makes astronomers
wonder if circular orbits are necessary for... | <urn:uuid:3b2d401e-f3ae-4d66-97ab-204e6e7c73e9> | 3.5625 | 280 | Audio Transcript | Science & Tech. | 35.948 | 3,321 |
Whether intended to service a single person or an entire enterprise, all of these systems share some fundamental requirements -- they must be reliable (when was the last time you rebooted your phone?), secure, accommodate future functional integration and service changes via software, thrive in a distributed network, s... | <urn:uuid:35462cdb-2c5d-4201-842f-c2b593e89e85> | 3.15625 | 337 | Knowledge Article | Software Dev. | 30.253 | 3,322 |
There are nearly 450 nuclear reactors in the world, with hundreds more either under construction or in the planning stages. There are 104 of these reactors in the USA and 195 in Europe. Imagine what havoc it would wreak on our civilization and the planet’s ecosystems if we were to suddenly witness not just one or two n... | <urn:uuid:5e6e859b-4968-4965-8143-522ca3cca03c> | 3.484375 | 464 | Personal Blog | Science & Tech. | 30.120249 | 3,323 |
This is an image showing the clouds of Titan.
Can there be Life in the Environment of Titan?
Titan's atmosphere is a lot like the Earth's, except that it is very cold, from -330 degrees to -290 degrees! Like the Earth, there is a lot of Nitrogen and other complex molecules. There also may be an ocean of methane, or per... | <urn:uuid:5dfc084e-a65b-48d5-a236-1559c0c2e5d5> | 3.140625 | 626 | Content Listing | Science & Tech. | 56.016376 | 3,324 |
News story originally written on March 15, 1999
Right now you can see all 110 Messier objects in one night. This only
happens for a little while each year. There's a new moon
out so the night sky is
dark. That makes it easier to see the objects.
During special times like this, people try to see how many Messier
objects... | <urn:uuid:a3bae78a-472b-4ef9-8e94-dd7cfee61ee7> | 3.265625 | 450 | Content Listing | Science & Tech. | 68.237555 | 3,325 |
In Southwestern France, a group of fish have learned how to kill birds. As the River Tarn winds through the city of Albi, it contains a small gravel island where pigeons gather to clean and bathe. And patrolling the island are European catfish—1 to 1.5 metres long, and the largest freshwater fish on the continent. Thes... | <urn:uuid:89de29ee-0db5-43e4-bee1-3d9f246e5695> | 3.515625 | 637 | Knowledge Article | Science & Tech. | 51.213 | 3,326 |
my understanding is that if you have an instance of a class that has members that occupy resources that you want released after you are done working with the instance of the class, then you can have the class implement the IDisposable interface and then inside the implemented Dispose() method you can perform any clean ... | <urn:uuid:94ec8bfc-7661-4969-ab8b-b03cf2a59f6f> | 2.59375 | 436 | Q&A Forum | Software Dev. | 35.882332 | 3,327 |
CHEM 411 Geochemistry of Natural Waters (also Geol 411)
A quantitative examination of the chemical processes that occur in aquatic environments, including precipitation, gas exchange, acid-base, redox, complexation, and adsorption reactions. Emphasis is on equilibrium and steady-state calculations as a tool for underst... | <urn:uuid:554f69be-5f80-49d3-9c76-77ebfcd76d9b> | 2.671875 | 150 | Product Page | Science & Tech. | 24.69375 | 3,328 |
1. The majority of venomous species are ectotherms, cold-blooded creatures whose internal temperatures are governed by their surroundings.
2. This means they have limited periods of activity - mainly while it’s warm out, and can only exert short bursts of energy, so they are generally “sit and wait” predators. This may... | <urn:uuid:14bf741e-893b-456f-bf6b-a07eec367663> | 3.78125 | 1,259 | Personal Blog | Science & Tech. | 48.567345 | 3,329 |
No, John Kanzius of Erie, Pennsylvania, hasn’t discovered the solution to the energy crisis. All the same, the story of a backyard scientist whose radio frequency (RF) generator seemed to ignite salt water has set amateur scientists all abuzz.
Inspired by his own bout of leukemia to try to find a better cancer treatmen... | <urn:uuid:949b35ca-b055-4e92-a6e0-1dadbdf95be3> | 2.96875 | 246 | News Article | Science & Tech. | 26.076134 | 3,330 |
Multiple ocean stresses threaten “globally significant” marine extinction
20 June 2011 | News story
An international panel of experts warns in a report released today that marine species are at risk of entering a phase of extinction unprecedented in human history.
The preliminary report arises from a ‘State of the Ocea... | <urn:uuid:5b8bfb47-348d-471d-8352-35c8229f3533> | 3.328125 | 1,108 | News (Org.) | Science & Tech. | 24.282525 | 3,331 |
Provided by: freebsd-manpages_6.2-1_all
new_unrhdr, delete_unrhdr, alloc_unr, free_unr - kernel unit number
struct unrhdr *
new_unrhdr(int low, int high, struct mtx *mutex);
delete_unrhdr(struct unrhdr *uh);
alloc_unr(struct unrhdr *uh);
alloc_unrl(struct unrhdr *uh);
free_unr(struct unrhdr *uh, u_int item);
The kernel... | <urn:uuid:84a9f4e5-c121-4d92-a008-58a25726e7c1> | 2.59375 | 430 | Documentation | Software Dev. | 46.644945 | 3,332 |
Provided by: freebsd-manpages_8.0-1_all
hash, hash32, hash32_buf, hash32_str, hash32_strn, hash32_stre,
hash32_strne - general kernel hashing functions
hash32_buf(const void *buf, size_t len, uint32_t hash);
hash32_str(const void *buf, uint32_t hash);
hash32_strn(const void *buf, size_t len, uint32_t hash);
hash32_stre... | <urn:uuid:c575b686-8634-46e5-8912-c4ae3408edd5> | 3.359375 | 682 | Documentation | Software Dev. | 60.212339 | 3,333 |
Bioluminescence in the Gippsland Lakes
Noctiluca scintillans doing what it does best in the Gippsland Lakes, a small chain of inland lakes in Victoria, Australia.
The events that transpired to make this happen are quite miraculous; firstly there was widespread fires in Victoria that burned pretty intensely for quite so... | <urn:uuid:fb7c1980-63f8-436c-abd0-507f40a1c989> | 3.015625 | 263 | Personal Blog | Science & Tech. | 21.334045 | 3,334 |
August 17, 2012
Close-up of the remarkable, raptor-like claws of Trogloraptor. Photo by: Griswold CE, Audisio T, Ledford JM.
"This is something completely new," lead author of a paper on the species, Charles Griswold with the California Academy of Sciences, told SFGate. "It's a historic event."
The discoverers, who pub... | <urn:uuid:4490d366-3405-4cdc-8ca2-553690eb437a> | 3.015625 | 1,698 | Content Listing | Science & Tech. | 43.033628 | 3,335 |
Previously unseen celestial object will stun stargazers next November
Late next year, there will be a new object in the night sky nearly 10 times brighter than the full moon. This temporary attraction, called C/2012 S1, is a comet that has likely never passed through our inner solar system before, so it's larger and mo... | <urn:uuid:8792b0ad-b829-4892-86d3-06093f826032> | 3.3125 | 346 | News Article | Science & Tech. | 56.161877 | 3,336 |
Sunday, August 19, 2012
THE WORLD'S GREATEST MIMIC
Discovered in 1998 off the coast of Indonesia, the mimic octopus is the first known species to take on the characteristics of multiple species.
The octopus grows to about 2 feet in length and primarily lives in the seas of Southeast Asia. It impersonates at least 15 di... | <urn:uuid:a4743c52-e2d3-4b29-94e1-e12ef5e06f20> | 3.296875 | 156 | Personal Blog | Science & Tech. | 43.350562 | 3,337 |
At the corner of the cube circular arcs are drawn and the area enclosed shaded. What fraction of the surface area of the cube is shaded? Try working out the answer without recourse to pencil and paper.
At the beginning of the night three poker players; Alan, Bernie and Craig had money in the ratios 7 : 6 : 5. At the en... | <urn:uuid:0d5126f5-4c2c-434c-b052-25edb0736e42> | 3.3125 | 508 | Tutorial | Science & Tech. | 67.067814 | 3,338 |
Wooller, Luke; van Wyk de Vries, Benjamin; Cecchi, Emmanuelle and Rymer, Hazel
Due to copyright restrictions, this file is not available for public download
Click here to request a copy from the OU Author.
|DOI (Digital Object Identifier) Link:||http://dx.doi.org/doi:10.1007/s00445-009-0289-3|
|Google Scholar:||Look up... | <urn:uuid:7422b6cd-a7e5-440c-98c6-473ef289fe7a> | 3.125 | 626 | Academic Writing | Science & Tech. | 20.659821 | 3,339 |
Space scientists at the University of Leicester have released satellite images of vast plumes of smoke emanating from the peat bog fires which are currently sweeping across central and western Russia.
Using equipment on the European satellite MetOp-A researchers from the University's Earth Observation Science group hav... | <urn:uuid:fcdc8778-800b-42df-b44e-d2ba7e23ea95> | 3.375 | 384 | News Article | Science & Tech. | 23.681417 | 3,340 |
If you need to understand a query, say, to fix a bug, you need to be able to look at it and quickly answer some questions:
- how many columns in the result set?
- what are their names?
- what tables are involved in the query?
- what's the join criteria?
So, to enhance understanding speed of comprehension, I like to mak... | <urn:uuid:9fcc7dfb-82ac-41eb-89a1-f8914eb32845> | 2.671875 | 625 | Q&A Forum | Software Dev. | 63.177307 | 3,341 |
Comet C/2009 R1 has been discovered in September 2009 by Robert H. McNaught in the course of Australia’s Siding Spring Survey.
For more information about the discovery of this comet, please see our previous post:
The comet is now around magnitude 7.5 and it will be a nice binocular object. Throughout this apparition it... | <urn:uuid:11785ac3-876d-4340-bf1a-dafdaedf6f93> | 3.4375 | 240 | Personal Blog | Science & Tech. | 53.893379 | 3,342 |
View the U.S. Severe Weather Map.
Hail is a form of frozen precipitation that's created by strong thunderstorms with fast updrafts—air being pulled upward into a thunderstorm. It can cause serious damage, especially to cars, aircraft, glass-roofed structures, and most notably, farmers' crops. Hail causes approximately ... | <urn:uuid:f95ae24c-a4d1-4ed8-be26-ad84cf01f1cd> | 3.875 | 629 | Knowledge Article | Science & Tech. | 64.613658 | 3,343 |
|Tweet|Guiding Light A new kind of glass pane containing liquid crystal
droplets can guide and manipulate beams of light.
25, 2003: The Information Age rides on beams of carefully
controlled light. Because lasers form the arteries of modern
communications networks, dexterous manipulation of light underpins
the two defi... | <urn:uuid:4470687e-b179-47fb-8263-4d5bd166526f> | 3.84375 | 1,536 | Knowledge Article | Science & Tech. | 46.753906 | 3,344 |
A "DisasterCam" for the ISS
June 27, 2012: Of all the hundreds of spacecraft and satellites in Earth orbit, few can match the International Space Station for its view of the big blue marble below. Scientists would like to put that spectacular view to good use – by having the ISS photograph disasters, both natural and m... | <urn:uuid:bc41ee3e-e4bf-4cdc-85a2-f68194c6bc62> | 3.46875 | 1,277 | News (Org.) | Science & Tech. | 39.10955 | 3,345 |
Ever seen little points of light buzzing around outside on summer nights? Those lights - fireflies – are beetles that create light through a chemical reaction. By controlling the reaction, fireflies can turn on and off their lights. They flash light to communicate and find a mate.
Fireflies may be disappearing from som... | <urn:uuid:13134907-12b6-44e1-8505-dbd2b17e684a> | 3.65625 | 648 | Personal Blog | Science & Tech. | 47.86154 | 3,346 |
Part 5—Explore in ICE the Relationship of AOT and CO
Step 1 – Load Two Datasets into NEO/ICE
We will use the Image Composite Explorer (ICE) of NEO to compare the Aerosol Optical Thickness Data to the Carbon Monoxide Data. It requires Java to run on your computer.
Select datasets for use with this tool from the Atmosphe... | <urn:uuid:073c7a92-7740-42ab-bff0-12efc1bb0db8> | 2.84375 | 1,424 | Tutorial | Science & Tech. | 53.660195 | 3,347 |
A new study published in Nature from NASA's Exobiology and Evoluationary Biology program investigators and their colleagues looks at fossilized raindrops and what they indicate about conditions on the early Earth.
In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that... | <urn:uuid:d89db640-b7dc-4a68-a90d-fd01e5496ab1> | 4.5 | 183 | News Article | Science & Tech. | 23.784871 | 3,348 |
By Seth Borenstein, Associated Press
WASHINGTON Scientists believe they have found a key gene that helped the human brain evolve from our chimp-like ancestors.
In just a few million years, one area of the human genome seems to have evolved about 70 times faster than the rest of our genetic code. It appears to have a ro... | <urn:uuid:bd532cec-125b-4d61-bb8d-e7fcebe2d9dd> | 3.5 | 572 | News Article | Science & Tech. | 48.350909 | 3,349 |
The Ørsted Satellite Project
Ørsted, Hans Christian. (1777-1851).
Danish physicist, professor at the University of Copenhagen.
Discovered that current flowing through a wire can deflect a magnetised
compass needle, a phenomenon which inspired the development of
In 1932 the name Ørsted (Oersted) was adopted for the phys... | <urn:uuid:8c664d82-ccdf-43d6-8e7c-f55fb566544c> | 2.609375 | 228 | About (Org.) | Science & Tech. | 33.300161 | 3,350 |
Cartesian equation: 3a y2 = x(x-a)2
Click below to see one of the Associated curves.
|Definitions of the Associated curves||Evolute|
|Involute 1||Involute 2|
|Inverse curve wrt origin||Inverse wrt another circle|
|Pedal curve wrt origin||Pedal wrt another point|
|Negative pedal curve wrt origin||Negative pedal wrt anot... | <urn:uuid:d6102233-66ea-4ad6-8a47-efd67589b898> | 2.671875 | 274 | Knowledge Article | Science & Tech. | 23.82763 | 3,351 |
Could we refill the Great Artesian Basin with floodwater?
If we can tap the Artesian Basin to take water out, why can't we pump water back into it in times of flood ?
If we can tap the Artesian Basin to take water out, why can't we pump water back into it in times of flood?
It's a temptingly simple idea that in times o... | <urn:uuid:491845db-ce09-405d-9018-1d9e1c420cc5> | 3.15625 | 905 | Audio Transcript | Science & Tech. | 44.193434 | 3,352 |
To determine how elevated CO2 may reduce water use by crops,
plant physiologist James Bunce measures water vapor conductance of barley
leaves grown at twice the current atmospheric CO2 concentration.
Understanding climate change on a
global scale means getting up close and personal with a single plant--or even
with a s... | <urn:uuid:2e62d225-0ab9-4795-b451-3fcb7fa718b2> | 3.59375 | 975 | Knowledge Article | Science & Tech. | 33.211943 | 3,353 |
One of the most fascinating questions that occurs when contemplating the universe is whether there other life exists, equally or more intelligent than we. Are there alien eyes looking at our star or our galaxy and do these creatures ask the same cosmological questions we ask? Nobody knows, although the straightforward ... | <urn:uuid:a7681a55-3804-4087-a7d8-8ac96c82f10c> | 3.75 | 1,147 | Academic Writing | Science & Tech. | 59.664198 | 3,354 |
|KICKING THE CARBON HABIT
Global Warming and the Case for Renewable and Nuclear Energy
New York: Columbia University Press, 2006
William Sweet is senior editor of Spectrum, the general news and features magazine of the Institute of Electrical and Electronic Engineers (IEEE). As such, he describes global warming and its... | <urn:uuid:5f92cd36-c8a8-46fc-a66b-3bebabbdda1b> | 2.609375 | 1,366 | User Review | Science & Tech. | 46.002579 | 3,355 |
Random number generation is tricky business. Good random number generation algorithms are tricky to invent. Code implementing the algorithms is tricky to test. And code using random number generators is tricky to test. This article will describe
SimpleRNG, a very simple random number generator. The generator uses a wel... | <urn:uuid:9139d9a1-0c4f-49eb-8543-59305e79394a> | 2.6875 | 1,209 | Documentation | Software Dev. | 46.138573 | 3,356 |
FIGURE A2.1. (a) Daily amplitudes of the Arctic
Oscillation (AO) the North Atlantic Oscillation (NAO), and the
Pacific-North American (PNA) pattern. The pattern amplitudes for the
AO, (NAO, PNA) are calculated by projecting the daily 1000-hPa
(500-hPa) height anomaly field onto the leading EOF obtained from
standardize... | <urn:uuid:1161c33b-fa3c-4cb7-91e8-3bb40ac222f6> | 3.046875 | 226 | Documentation | Science & Tech. | 59.694141 | 3,357 |
Flies Fly: Kappatau Space Curves
by Rudy Rucker
Department of Mathematics and Computer Science,
San Jose State University, San Jose CA 95192
Copyright (C) Rudy Rucker 1999
Appeared in David Wolfe & Tom Rodgers, eds., Puzzlers' Tribute: A Feast for the Mind, A.K.Peters, Natick, MA, 2002
[Note that this paper is also ava... | <urn:uuid:93a0d438-e56a-457e-878d-6ffcc6578668> | 3.484375 | 4,888 | Academic Writing | Science & Tech. | 53.454007 | 3,358 |
It sounds like science fiction, but the possibility of protecting buildings and other structures from damaging earthquakes via "invisibility cloaks" could be very real. The idea is to surround the structure with a series of rubber cylinders that act as a barrier or cloak against seismic waves.
In a paper published last... | <urn:uuid:cb727886-c5db-456d-861d-dc1f870ce106> | 3.6875 | 395 | News Article | Science & Tech. | 34.139911 | 3,359 |
New analysis of an experiment performed by the Viking landers suggests that evidence of microbial life in the Martian soil may have been detected 36 years ago. As one of the authors of this new paper puts it: "on the basis of what we've done so far, I'd say I'm 99 percent sure there's life there." Whoa.
Remember when e... | <urn:uuid:571d4da7-62fd-48a5-8181-549ca2480e4b> | 3.1875 | 587 | Content Listing | Science & Tech. | 58.046521 | 3,360 |
Report: Stopping Global Warming
Global Warming and Extreme Weather: The Science, the Forecast, and the Impacts on America
Patterns of extreme weather are changing in the United States, and climate science predicts that further changes are in store. Extreme weather events lead to billions of dollars in economic damage a... | <urn:uuid:8d2a735f-1100-46af-a8c7-2052d65e260b> | 3.84375 | 2,382 | Knowledge Article | Science & Tech. | 34.573448 | 3,361 |
- Reader's Guide
- Summary for Decision-makers
- Key Questions in the Millennium Ecosystem Assessment
- How have ecosystems changed?
- How have ecosystem services and their uses changed?
- How have ecosystem changes affected human well-being and poverty alleviation?
- What are the most critical factors causing ecosyste... | <urn:uuid:4560790f-34af-4e30-afec-c1a1b6c35eeb> | 3.296875 | 260 | Truncated | Science & Tech. | 22.45625 | 3,362 |
Found 30 - 40 results of 76 programs matching keyword "feautures of mars"
Engineers at the Jet Propulsion Laboratory (JPL) explain how they simulate martian conditions and conduct tests with model rovers to prepare the Curiosity rover for its journey to Mars and its work on the red planet. Join the Exploratorium crew o... | <urn:uuid:5ef7f527-5f03-455c-8ae7-c9d035f92f89> | 3.015625 | 617 | Content Listing | Science & Tech. | 50.004403 | 3,363 |
newbie question regarding type declarations
t.zielonka at students.mimuw.edu.pl
Fri Oct 31 13:08:54 EST 2003
On Fri, Oct 31, 2003 at 05:30:06PM +0550, gangadhar npk wrote:
> I am a newbie to Haskell. I am reading the tutorial by Hal Daume III. Regarding the function types which are an extension of lambda calculus, I wa... | <urn:uuid:13838be3-dd4c-4225-bc4e-542ff33ccb47> | 2.640625 | 356 | Comment Section | Software Dev. | 75.20526 | 3,364 |
James Clerk Maxwell
Maxwell, James Clerk (klärk) [key], 1831–79, great Scottish physicist. After a brilliant career at Edinburgh and Cambridge, where he won early recognition with mathematical papers, he was professor at Marischal College, Aberdeen (1856–60), and at King's College, London (1860–65). In 1871 he was appo... | <urn:uuid:38ba8ef2-c2b5-4313-a7a1-0863634b9d45> | 3.359375 | 356 | Knowledge Article | Science & Tech. | 32.944465 | 3,365 |
Launch of the first Dugong Status Report and Action Plan
13 February 2002 | News story
Cartagena, Colombia 13.02.02. IUCN's Director General, Achim Steiner, and Dr. Klaus Töpfer, Executive Director of the United Nations Environment Programme (UNEP) launched a joint publication, Dugong: Status Report and Action Plans fo... | <urn:uuid:7bfa55e8-7ea4-4e98-a747-e0e1acdbf38c> | 3.09375 | 509 | News (Org.) | Science & Tech. | 36.087184 | 3,366 |
|ATLAS Reaches Out|
|Contact: Paul Preuss, firstname.lastname@example.org|
The international ATLAS collaboration numbering 1,800 participants from more than 150 universities and laboratories in 34 countries recently reelected Michael Barnett of Berkeley Lab's Physics Division and Erik Johansson of Stockholm University ... | <urn:uuid:ef001172-e281-4455-a880-74d30b328aa9> | 3.03125 | 1,077 | Knowledge Article | Science & Tech. | 23.38813 | 3,367 |
Clouds May Hold Key to Why Early Earth Didn’t Freeze Over
A paradox about the climate of the early Earth that has been plaguing scientists for nearly 50 years may have a new solution.
The so-called 'young' sun paradox — first proposed by Carl Sagan and his colleague George Mullen in 1972 — refers to the fact that the E... | <urn:uuid:9d98ffb6-b78f-4033-b8fa-3081ccd1fbc7> | 4 | 1,496 | News Article | Science & Tech. | 43.807169 | 3,368 |
NASA's Curiosity/Mars Science Laboratory is scheduled to launch on November 25, 2011 at 10:25 a.m. EST. (This is subject to change, but the launch window is open from November 25 to December 18, 2011.) The Curiosity rover will arrive on Mars in August 2012. The Curiosity rover will investigate whether Mars ever was (or... | <urn:uuid:4dc2469c-0364-4e09-9e7b-f18000d02c1e> | 3.265625 | 206 | News (Org.) | Science & Tech. | 66.753369 | 3,369 |
While Vilhelm Bjerknes and his team were developing their synoptic models in Bergen, a radically different approach to forecasting was being pursued by Lewis Fry Richardson. Richardson's starting point was the system of fundamental physical principles governing atmospheric motion. He assembled the set of mathematical e... | <urn:uuid:ff5c9465-5361-45ca-9e2d-e41191c545ff> | 2.90625 | 727 | Academic Writing | Science & Tech. | 35.077697 | 3,370 |
on the importance of water vapor and CO2
Robert Wagner (OD optometry) correctly recognizes that water vapor (what Robert Essenhigh refers to as “water gas”) is a key Greenhouse gas. Quoting the IPCC Fourth Assessment report: “Water vapor is the most important gaseous source of infrared opacity in the atmosphere, accoun... | <urn:uuid:9f970800-605e-408b-9a10-22b0bc6cf351> | 3.03125 | 342 | Personal Blog | Science & Tech. | 47.501219 | 3,371 |
Catherine de Lange, contributor
It took just 2 hours for this giant dust storm to cover the city of Phoenix, Arizona, last Tuesday. The huge wall of dust affected the entire metropolitan area - home to more than 4 million people - depositing thick layers of dust and reducing visibility to zero in many areas.
Photograph... | <urn:uuid:c9a5c500-2d63-4bba-9863-10c2ac15e974> | 3.28125 | 268 | News Article | Science & Tech. | 46.85145 | 3,372 |
News Release NR-2311
NREL’s Multi-Junction Solar Cells Teach Scientists How to Turn Plants into Powerhouses
May 12, 2011
Plants can overcome their evolutionary legacies to become much better at using biological photosynthesis to produce energy, the kind of energy that can power vehicles in the near future, an all-star ... | <urn:uuid:913a0374-19fd-42e8-8ce9-fc90ce950555> | 3.34375 | 1,079 | News (Org.) | Science & Tech. | 27.654597 | 3,373 |
Robots to the Rescue
Researchers are exploring ways to make rescue robots less "creepy" and more user-friendly, incorporating lessons learned from studies of how humans interact with technology
March 11, 2011
Everyone knows machines don't have feelings. But try telling that to your brain.
"We have one social brain, and... | <urn:uuid:45e39670-4f57-4d33-930f-8f28f7b35d96> | 3.140625 | 2,095 | Knowledge Article | Science & Tech. | 52.74697 | 3,374 |
What would it be like to devote your entire life to creating an attractive piece of art? Just ask the Bowerbird
, a group of unique birds found in Australia and New Guinea. Why are they unique? Well, like you, they like to show off and impress others. Like you, they spend a lot of time collecting things. And like you, ... | <urn:uuid:4400b870-cafc-4b38-baf7-1b7169678328> | 3.140625 | 612 | News (Org.) | Science & Tech. | 44.442323 | 3,375 |
Biodiversity is a term used to refer to the diversity of life on earth. It includes genetic diversity, species diversity and ecosystem diversity, and the interactions among them and with their environments.
Forests are among the most biodiverse and valuable terrestrial ecosystems on the planet. In addition to all the s... | <urn:uuid:1cdbf3b6-6336-43ad-92c6-f891d6ce00ae> | 3.921875 | 548 | Knowledge Article | Science & Tech. | -1.059809 | 3,376 |
Search our database of handpicked sites
Looking for a great physics site? We've tracked down the very best and checked them for accuracy. Just fill out the fields below and we'll do the rest.
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and... | <urn:uuid:7dda5fb4-82f8-4f20-8b60-63bced0c1d35> | 3.21875 | 330 | Content Listing | Science & Tech. | 54.89436 | 3,377 |
Just when we were beginning to think the media had finally learned to tell a hawk from a handsaw when covering global warming (at least when the wind blows southerly), along comes this article ‘In Ancient Fossils, Seeds of a New Debate on Warming’ by the New York Times’ William Broad. This article is far from the stand... | <urn:uuid:c63c8328-5a5b-4ac6-a1f6-ab6a96ab70d9> | 2.890625 | 2,489 | Comment Section | Science & Tech. | 38.826521 | 3,378 |
March 3, 2008
A NASA spacecraft in orbit around Mars has taken the first ever image of active avalanches near the Red Planet's north pole.
Oct. 20, 2008
A curiously short-lived type of gamma-ray burst has astronomers puzzled. Leading experts discuss the clues at today's Gamma-ray Burst Symposium in Huntsville, Alabama.... | <urn:uuid:86045ceb-cf3e-4fe2-a342-3883a1dd90c6> | 3.09375 | 419 | Content Listing | Science & Tech. | 62.476959 | 3,379 |
The Weekly Newsmagazine of Science
|Recently on MathTrek:|
March 6, 1999
For a truly cool experience, there's nothing like transforming a 12-foot, 20-ton block of manufactured snow into a giant sculpture. That's the premise underlying the Breckenridge snow sculpture championships in Colorado, held annually in January.
... | <urn:uuid:ed2179ff-5a0e-4f3c-913e-b98eb285e994> | 2.859375 | 1,243 | Nonfiction Writing | Science & Tech. | 48.981113 | 3,380 |
NASA's latest rover on Mars depends on a sandwich of semiconducting material that can turn heat into electricity. In the case of Curiosity, the steady radioactive decay of plutonium 238 warms such thermoelectric material and turns roughly 4 percent of that heat into a steady flow of electrons. A similar radioisotope th... | <urn:uuid:3a91fb59-b269-4040-b7d3-486dc3327254> | 4.53125 | 602 | News Article | Science & Tech. | 21.561365 | 3,381 |
Pursuing the Infinite Promise of the Infinitesimally Small
Imagine the economic and environmental benefits of new nanomaterials that could generate energy from waste heat typically lost by cars, electronics, power plants and factories. And consider how the economy could be transformed via yet-to-be-invented nanoscale m... | <urn:uuid:14191c9c-4586-46c6-9a88-45c36ca685bd> | 2.96875 | 610 | Truncated | Science & Tech. | 7.761319 | 3,382 |
The spoon-billed sandpiper, three-toed sloth and a long-beaked echidna named after Sir David Attenborough are among the 100 most endangered species in the world, according to a new study.
The list of at-risk species has been published as conservationists warn that rare mammals, plants and fungi are being sacrificed as ... | <urn:uuid:c53b063b-3ee8-421b-bc9a-bdb040eff502> | 3.15625 | 212 | News Article | Science & Tech. | 41.201938 | 3,383 |
Want to stay on top of all the space news? Follow @universetoday on TwitterThe LHC or Large Hadron Collider is the world’s largest particle accelerator. Scheduled to be operational some time in November of 2009, the purpose of the experiments to be conducted there is aimed to answer many of the questions raised by the ... | <urn:uuid:e0bbfd70-ec26-4aea-859d-9e4dcbc21dd1> | 3.53125 | 742 | News Article | Science & Tech. | 45.795749 | 3,384 |
Science-Based Strategies for Sustaining Coral Ecosystems
Explains the environmental factors that affect coral reef habitats and ecosystems, focusing on those that pose urgent problems.
U.S. Geological Survey Fact Sheet 2009-3089
This publication is available only as a PDF document.
Atmospheric deposition (chemical & pa... | <urn:uuid:fdc43eda-7fae-4e80-9afd-39581f2d31cc> | 3.171875 | 131 | Truncated | Science & Tech. | 14.284527 | 3,385 |
Global warming increasing by 400,000 atomic bombs every day
Hawaii isn’t a place where giant hail forms. In fact, only eight times has hail the size of a penny or quarter been recorded for the islands. There were no records for hail larger than an inch until a freak supercell thunderstorm formed there on March 9, 2012.... | <urn:uuid:866438a7-6e68-4916-a4b8-6a4b128c1cc1> | 3.28125 | 1,613 | Personal Blog | Science & Tech. | 57.354323 | 3,386 |
The Ventura Countywide Stormwater Quality Management Program has been monitoring the quality of stormwater runoff in Ventura County for more than 10 years. The data show how much the runoff from a storm differs from water in a natural stream.
Bacteria counts used to measure beach water quality are always high following... | <urn:uuid:3c1dac1b-c1a2-4f6f-87fa-f63d24e15eb5> | 3.109375 | 742 | News Article | Science & Tech. | 51.971426 | 3,387 |
GFS (Global Forecast System) Global Model from the "National Centers for Environmental Prediction" (NCEP)
|Updated:||4 times per day, from 3:30, 09:30, 15:30 and 21:30 GMT|
|Greenwich Mean Time:||12:00 GMT = 12:00 GMT|
|Resolution:||0.5° x 0.5° for forecast time <= 180 hrs
2.5° x 2.5° for forecast time > 180 hrs
|Param... | <urn:uuid:64e1502f-c2ff-4a68-9e9c-176f4f7ba7ca> | 3.4375 | 600 | Knowledge Article | Science & Tech. | 50.351121 | 3,388 |
The ozone layer is a deep layer in the stratosphere, encircling the Earth, that has large amounts of ozone in it.
The layer shields the entire Earth from much of the harmful ultraviolet radiation that comes from the sun.
Interestingly, it is also this ultraviolet radiation that forms the ozone in the first place.
Ozone... | <urn:uuid:ba19925c-8c90-4935-a602-72d228313451> | 3.859375 | 364 | Knowledge Article | Science & Tech. | 37.599 | 3,389 |
Recent Solar Wind Observations
The solar wind plays a vital role
in transfering the effects of solar
activity to the Earth's space environment. The density, speed,
pressure, and temperature of the solar wind upstream of the Earth as well as the magnitude and direction of the interplanetary
magnetic field all influence ... | <urn:uuid:99cb3e39-fd86-432c-ac8f-b7de6a36a929> | 3.21875 | 215 | Knowledge Article | Science & Tech. | 37.793899 | 3,390 |
Lake Vostok, which has been sealed off from the world for 14
million years, is
about to be penetrated by a Russian drill bit.
The lake, which lies four kilometres below the icy surface of
Antarctica, is unique in that it's been completely isolated from
the other 150
subglacial lakes on the continent for such a long tim... | <urn:uuid:8d51c138-9b27-4bff-953d-a5788dc0255a> | 3.640625 | 519 | News Article | Science & Tech. | 44.340767 | 3,391 |
London: Researchers including one of Indian origin have discovered deep-sea bacteria at the bottom of the Pacific Ocean that can almost survive without food - they haven’t eaten for an incredible 86 million years.
The bacteria were unearthed when researchers drilled into a layer of soft red clay at the bottom of the Pa... | <urn:uuid:314edd57-73a7-4849-bdde-77f7d41eeb5f> | 3.625 | 630 | News Article | Science & Tech. | 59.675861 | 3,392 |
Previous abstract Next abstract
Radio astronomy observations in the HF (1-30 MHz) portion of the electromagnetic spectrum could result in new insights into astrophysical processes. However, this particular part of the spectrum is mostly inaccessible from the ground due to the effects of the Earth's ionosphere. One solu... | <urn:uuid:db01f428-ce90-4158-a5b8-031b3d2553fd> | 3.28125 | 425 | Academic Writing | Science & Tech. | 21.143845 | 3,393 |
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
January 25, 1998
Explanation: Almost unknown to casual observers in the northern hemisphere, the southern sky contains two diffuse wonders known as ... | <urn:uuid:7c851639-92ff-4ba2-8ca8-1c592da751d1> | 3.515625 | 184 | Knowledge Article | Science & Tech. | 42.759545 | 3,394 |
Originally posted by Sorensen
>.NET is a group of objects which fits into any language that supports objects? what makes c# different than c++.NET?
No, each language is compiled into the immediate language. In order to do this the language must have certain properties. Managed C++ and C# are two different languages tha... | <urn:uuid:fab5e78c-4d3c-43be-a812-77c7789e7488> | 2.546875 | 181 | Q&A Forum | Software Dev. | 52.627084 | 3,395 |
Many technologies and techniques have been developed to confront the issue of global warming with many focusing on reducing the amount of greenhouse gases in the atmosphere, and others focusing on increasing the reflectivity of the Earth's atmosphere. Carbon sequestration, synthetic trees and stratospheric sulfur injec... | <urn:uuid:459ef30a-04db-4a07-9096-c0ab7be69289> | 2.734375 | 103 | Academic Writing | Science & Tech. | 22.020707 | 3,396 |
The packer is one of Tk's geometry-management mechanisms.
Geometry managers are used to specify the relative positioning of the positioning of widgets within their container - their mutual master. In contrast to the more cumbersome placer (which is used less commonly, and we do not cover here), the packer takes qualita... | <urn:uuid:d427c2cc-53b0-416e-9dec-663555a8e2fe> | 2.953125 | 337 | Documentation | Software Dev. | 41.590403 | 3,397 |
So by entangling two photons, for instance, physicists have demonstrated the ability to transmit quantum information from one place to another by encoding it in these quantum states—influence one of the pair and a change can be measured in the other without any information actually passing between the two. Researchers ... | <urn:uuid:fd79585f-2abb-480e-a8c6-c117393d7cc0> | 3.46875 | 272 | Personal Blog | Science & Tech. | 27.697586 | 3,398 |
[Tutor] How to run a Python program under Windows.
bgailer at gmail.com
Tue Jul 29 18:13:23 CEST 2008
Morgan Thorpe wrote:
> I'm am very new to the whole programming sence.
> I am trying to catch on but as soon as i want to write a program i've
> been told to use like 'notepad' in windows XP and save it as a .py file
>... | <urn:uuid:1fc5c264-a03c-456e-8c08-37a32eb16bc2> | 2.625 | 399 | Comment Section | Software Dev. | 75.048337 | 3,399 |