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NOAA: November Warmer than Average in U.S., January-November Temperature Near Average for U.S.
December 11, 2008
The November 2008 temperature for the contiguous United States was warmer than the long-term average, according to NOAA’s National Climatic Data Center in Asheville, N.C. The January-November 2008 temperatur... | <urn:uuid:b2be6da7-ff96-4bf6-9cc3-ef1ddb2bf1b1> | 2.859375 | 951 | News (Org.) | Science & Tech. | 51.164115 | 2,300 |
|Global Climate Observing System (GCOS)|
|The Global Climate Observing System (GCOS) was established in 1992 to ensure that the observations and information needed to address climate-related issues are obtained and made available to all potential users. It is co-sponsored by the World Meteorological Organization (WMO),... | <urn:uuid:8852f8b9-f812-47e6-9d5f-7f2e233324ca> | 3.515625 | 336 | Knowledge Article | Science & Tech. | -7.887122 | 2,301 |
In the first-ever public test of artificial muscle, in March a high-school girl arm-wrestled three devices powered by the material. See how well she fared
On March 7, 17-year-old high-school student Panna Felsen squared off against three stalwart competitors in the first-ever human-robot arm-wrestling match. Each of th... | <urn:uuid:46de0416-8d47-4ed4-97e1-8c2c6496d09c> | 2.84375 | 153 | News Article | Science & Tech. | 44.718034 | 2,302 |
Introns in promoterhow is it possible?
Posted 15 May 2012 - 09:38 PM
Posted 09 June 2012 - 08:21 AM
Posted 09 August 2012 - 01:53 AM
Eukaryotes promoters are quite complex and some binding sites for proteins that activate the transcription may actually be downstream of the mRNA start position, or it may be that the pre... | <urn:uuid:36db8c5a-6e12-44c5-98fa-990808870102> | 2.78125 | 174 | Q&A Forum | Science & Tech. | 42.440511 | 2,303 |
Recently we received a request for setting up a glossary-only search mechanism, or perhaps one web page with a long list of glossary entries with hot links to full explanations. The glossary that we already have is a good start, but we are all busy and it’s hard to find the time for extending this.
But there are also a... | <urn:uuid:da2728b9-52f7-43d5-a1b4-a8e5af93b187> | 2.515625 | 178 | Knowledge Article | Science & Tech. | 43.528188 | 2,304 |
Apr. 24, 1998 COLUMBUS, Ohio -- Researchers at Ohio State University have developed a new model of atomic forces that may solve a long-standing problem in particle physics.
The work may aid the understanding of the structure of protons and other particles that contain quarks because it begins to reconcile physicist Ric... | <urn:uuid:df3f4552-030d-48ca-929e-4258cc56e4bd> | 3.1875 | 854 | News Article | Science & Tech. | 39.818372 | 2,305 |
Oct. 19, 2005 Residents and seismologists in Northern California focus on the San Andreas Fault, but a Penn State researcher thinks more questions should be asked about the Eastern California Shear Zone, a fault that ends or dissipates without a clear connection.
"We want to know how it formed, why it formed," says Dr.... | <urn:uuid:ec8b295b-1fe7-42bd-a080-e0839af8eab6> | 3.625 | 743 | News Article | Science & Tech. | 51.002068 | 2,306 |
Feb. 23, 2010 Regulatory proteins common to all eukaryotic cells can have additional, unique functions in embryonic stem (ES) cells, according to a study in the February 22 issue of the Journal of Cell Biology. If cancer progenitor cells -- which function similarly to stem cells -- are shown to rely on these regulatory... | <urn:uuid:69378649-eec1-4c2d-baff-7f0e547e8514> | 2.703125 | 437 | Truncated | Science & Tech. | 42.799632 | 2,307 |
July 23, 2010 Pioneering observations with the National Science Foundation's giant Robert C. Byrd Green Bank Telescope (GBT) have given astronomers a new tool for mapping large cosmic structures. The new tool promises to provide valuable clues about the nature of the mysterious "dark energy" believed to constitute near... | <urn:uuid:718f4aa2-3abe-45b7-9b6a-c359baa3f9d9> | 3.640625 | 801 | News Article | Science & Tech. | 27.783049 | 2,308 |
Jan. 18, 2013 Cheating is a behavior not limited to humans, animals and plants. Even microscopically small, single-celled algae do it, a team of University of Arizona researchers has discovered.
Humans do it, chimpanzees do it, cuckoos do it -- cheating to score a free ride is a well-documented behavior by many animals... | <urn:uuid:1ac9ac74-9a81-48fb-8674-0c3736d734b8> | 3.5625 | 1,616 | News Article | Science & Tech. | 41.36155 | 2,309 |
Mar. 14, 2013 At the end of the last ice age, a population of polar bears was stranded by the receding ice on a few islands in southeastern Alaska. Male brown bears swam across to the islands from the Alaskan mainland and mated with female polar bears, eventually transforming the polar bear population into brown bears.... | <urn:uuid:0d9b7fc7-dc85-44b0-870a-24a3e0dad0d8> | 4 | 1,695 | Knowledge Article | Science & Tech. | 44.60351 | 2,310 |
Web edition: August 27, 2012
Though ancient Egyptians are famous for their mummies, Americans — South Americans — practiced the preservation method first. In a desert coastal region of what is now northern Chile and southern Peru, the Chinchorro people began mummifying their dead about 7,000 years ago. Now scientists h... | <urn:uuid:9c4a68b9-8d79-4ead-b464-5115745c1929> | 3.21875 | 115 | Truncated | Science & Tech. | 56.69622 | 2,311 |
In the late 1990s, a handful of physicists and engineers began to take a greater interest in biology. The Human Genome Project was spitting out more and more gene sequences—blueprints for the protein building blocks of the cell—generating a flood of new information about the molecular machinery of life. Trouble was, th... | <urn:uuid:0a487c26-dc29-450a-a531-2c019a51462b> | 3.375 | 1,708 | News Article | Science & Tech. | 28.924152 | 2,312 |
Discovered: A camera that can see around corners, why we don't eat smelly foods, the super-Earth is not so super, noise pollution is also bad for plants and abnormal brain development might determine personality.
- This camera takes pictures of things it never saw. Remember that camera that could capture the speed of l... | <urn:uuid:fc1ab892-d078-42ea-a18f-51e101ad2a45> | 2.875 | 699 | Listicle | Science & Tech. | 50.459687 | 2,313 |
2010 is the International Year of Biodiversity. Why should you care?
Biodiversity is the number of different species that exist in a given area. The healthier an area is, the more biodiversity it has. Different forms of wildlife and plants inhabit areas, and these plants and animals learn to coexist and form ecological... | <urn:uuid:5a91c161-3285-41c8-8469-edeb3b85a206> | 3.4375 | 325 | Listicle | Science & Tech. | 44.127564 | 2,314 |
Tag Archives: biology
New USGS research shows that rice could become adapted to climate change and some catastrophic events by colonizing its seeds or plants with the spores of tiny naturally occurring fungi. The DNA of the rice plant itself is not changed; instead, researchers are re-creating what normally happens in ... | <urn:uuid:7b99ffe4-a450-4492-84cc-d927dcfb00b0> | 3 | 416 | Content Listing | Science & Tech. | 24.563085 | 2,315 |
Applies genetics and genomics to answer questions of endangered species, wildlife populations, captive breeding and reintroductions, sources of nonnative species introductions and hybridization and functional genomics.
Research in fish and wildlife health and disease, geomicrobiology, ecosystem function, climate change... | <urn:uuid:bb781a0d-014a-4279-a1a5-672b2a892e09> | 3.265625 | 355 | About (Org.) | Science & Tech. | 5.676818 | 2,316 |
Learn something new every day More Info... by email
Thermoelasticity is the change in the size and shape of a solid object as the temperature of that object fluctuates. Materials that are more elastic will expand and contract more than those materials that are more inelastic. Scientists use their understanding of therm... | <urn:uuid:a7408339-0d5d-4aaf-9c09-f4325bcdcedc> | 4.0625 | 498 | Knowledge Article | Science & Tech. | 33.447062 | 2,317 |
Washington: Researchers from the King Juan Carlos University (URJC) have found that spiders, like many other animal species, are suffering from habitat loss and human encroachment.
"The abundance and number of spider species is negatively affected by the impact of many human land uses, such as habitat fragmentation, fi... | <urn:uuid:016c6974-145b-461a-b6bd-777e3c84a883> | 3.375 | 290 | News Article | Science & Tech. | 27.049097 | 2,318 |
March 15, 2012 | 2
Predator-prey interactions are often viewed as evolutionary arms races; while predators improve their hunting behaviors and their ability to sneak up on their prey, the prey improve upon their abilities to detect and escape from their predators. The problem, of course, is that there is a trade-off be... | <urn:uuid:9e026a88-86eb-4e13-b6f6-dd02ae1ded47> | 3.8125 | 1,609 | Academic Writing | Science & Tech. | 24.497547 | 2,319 |
Archive for DARPA
You are browsing the archives of DARPA.
You are browsing the archives of DARPA.
There a lot of great stuff going on:
On the absolute temperature scale that is used by physicists, the Kelvin scale, one cannot go below zero—at least not in the sense of getting colder than zero Kelvin. Physicists of the ... | <urn:uuid:fc2fb86b-a639-4e06-8d26-5742c51bb9e4> | 2.625 | 4,950 | Content Listing | Science & Tech. | 31.32151 | 2,320 |
The module pdb defines an interactive source code debugger for Python programs. It supports setting (conditional) breakpoints and single stepping at the source line level, inspection of stack frames, source code listing, and evaluation of arbitrary Python code in the context of any stack frame. It also supports post-mo... | <urn:uuid:c776a668-9c93-41ab-8f72-83303f66549f> | 3.09375 | 367 | Documentation | Software Dev. | 59.073867 | 2,321 |
10 Nov 2011: Report
Military Bases Provide Unlikely
Refuge for South’s Longleaf Pine
The expanses of longleaf pine forest that once covered the southeastern United States have been whittled away to just 3 percent of their original range. But as scientists are discovering, this threatened forest ecosystem has found a sa... | <urn:uuid:39af7cc5-0dc7-4f6a-9ce5-949bcd076e88> | 3.296875 | 2,337 | News Article | Science & Tech. | 35.961406 | 2,322 |
I am all for creative thinking, but this may be the oddest concept I've yet seen to treat one of the symptoms of global warming.
Going far beyond just tracking melting patterns, German researchers want to actually stop, or at least slow down the melting of glaciers in the Swiss Alps, and they plan to do so by setting u... | <urn:uuid:8653e540-3c42-48ea-8ce9-167f33b5dd79> | 2.828125 | 222 | Comment Section | Science & Tech. | 67.14249 | 2,323 |
Arctic sea ice extent declined quickly in June, setting record daily lows for a brief period in the middle of the month. Strong ice loss in the Kara, Bering, and Beaufort seas, and Hudson and Baffin bays, led the overall retreat. Northern Hemisphere snow extent was unusually low in May and June, continuing a pattern of... | <urn:uuid:87c857d7-f812-49cd-8dcb-03e8385c741f> | 2.8125 | 1,086 | Knowledge Article | Science & Tech. | 56.539281 | 2,324 |
(PhysOrg.com) -- A team of scientists led by NASA space scientist James Mason have proposed the idea of using a mid-powered laser and telescope to nudge pieces of space junk out of the way and slow it down to avoid collisions.
Currently, the low Earth orbit (LEO) is filled with over 9,700 pieces of debris and 1,500 old... | <urn:uuid:c35d7223-18eb-4d65-ad7e-5ab4d6fae00d> | 3.6875 | 525 | News Article | Science & Tech. | 46.656519 | 2,325 |
Nuclear reaction defies expectations
Dec 10, 2010 11 comments
A novel kind of fission reaction observed at the CERN particle physics laboratory in Geneva has exposed serious weaknesses in our current understanding of the nucleus. The fission of mercury-180 was expected to be a "symmetric" reaction that would result in ... | <urn:uuid:899c108b-3d22-4e11-aea1-41461427f3b9> | 3.796875 | 1,002 | News Article | Science & Tech. | 31.834822 | 2,326 |
Novel observing mode on XMM-Newton opens new perspectives on galaxy clusters
31 May 2010
Surveying the sky, XMM-Newton has discovered two massive galaxy clusters, confirming a previous detection obtained through observations of the Sunyaev-Zel'dovich effect, the 'shadow' they cast on the Cosmic Microwave Background. Th... | <urn:uuid:7849262f-61bf-4a25-9628-7f4b8a60f4a4> | 2.671875 | 2,002 | News (Org.) | Science & Tech. | 38.626335 | 2,327 |
Science Fair Project Encyclopedia
Alforsite is a mineral, Ba5Cl(PO4)3, composed of barium, phosphorus, chlorine, and oxygen. It was discovered in 1981, and named to honor geologist John T. Alfors of the California Division of Mines and Geology for his work in the area where it was discovered.
Alforsite is a hexagonal c... | <urn:uuid:87625e32-2f02-4652-9a3a-dec87e67ccf6> | 3.71875 | 162 | Knowledge Article | Science & Tech. | 37.907295 | 2,328 |
Science Fair Project Encyclopedia
Gilbert N. Lewis
His family moved to Lincoln, Nebraska when he was 9. He was homeschooled until age 9. He went to public school from age 9 to 14 and then he went to the University of Nebraska, and three years later transferred to the Harvard University where he showed an interest in ec... | <urn:uuid:d12b4004-dc26-44a9-9bd4-1694fa753456> | 3.765625 | 674 | Knowledge Article | Science & Tech. | 46.404644 | 2,329 |
God particle signal is simulated as sound
Scientists have simulated the sounds set to be made by sub-atomic particles such as the Higgs boson when they are produced at the Large Hadron Collider.
Their aim is to develop a means for physicists at Cern to "listen to the data" and pick out the Higgs particle if and when th... | <urn:uuid:da51132f-3b0e-4617-b17a-41e16c30e02a> | 3.328125 | 755 | News Article | Science & Tech. | 53.517143 | 2,330 |
Earth’s rarest metals ranked in a new 'risk list'
The relative risks to the supply of some of Earth's rarest elements have been detailed in a new list published by the British Geological Survey (BGS).
So-called "technology metals" like indium and niobium are extracted from the Earth and are used in a wide range of mode... | <urn:uuid:34d596f3-be78-439b-a9d3-41d886063e55> | 3.21875 | 678 | News Article | Science & Tech. | 28.390862 | 2,331 |
We often see math applied to the real world through word problems, and the applications of linear equations are seen throughout all our math courses after Algebra. To understand applications of linear equations we need to have an understanding of slope, how to interpret a graph, and how to write an equation. In upper-l... | <urn:uuid:c7fd8571-c779-4518-b43c-9ba583e29bb1> | 4.09375 | 444 | Tutorial | Science & Tech. | 73.21179 | 2,332 |
In Calculus, a limit is used to describe the value that a function approaches as the input of that function approaches a certain value. There are two ways to determine a Calculus limit: a numerical approach or a graphical approach. In the graphical approach, we analyze the graph of the function to determine the points ... | <urn:uuid:0afe58a0-88f7-4c33-b0ff-b1c376dd3a47> | 4.375 | 644 | Tutorial | Science & Tech. | 82.594607 | 2,333 |
What makes a supernova? Scientists thought they knew.
New X-ray research questions the origins of a key type of supernova, and may bend one of astronomy's go-to rulers.
One of astronomy's most heavily used tools for measuring distances may be less reliable than researchers have assumed, according to a pair of astrophys... | <urn:uuid:ba917538-fcc0-46bb-8a7a-d3300de28e27> | 4.125 | 904 | News Article | Science & Tech. | 39.262627 | 2,334 |
Securing Virtual Private Networks (VPN), Page 2
Asymmetric Encryption, or public key encryption, depends on a pair of keys called public key and private key; hence the name. The keys are selected such that, if data is encrypted through key 1, it can be only decrypted through key 2 and vice versa. Of the two keys, we te... | <urn:uuid:d54a77d8-14d9-44f5-a59c-c1e8e5622021> | 3.59375 | 923 | Documentation | Software Dev. | 38.205978 | 2,335 |
Search for the Brush Tailed Phascogale
A group of wildlife enthusiasts recently spent several wet and cold days searching the Wombat Forest for the Brush-tailed Phascogale and their hard work was rewarded when one of the elusive creatures was found.
Biodiversity staff from the Department of Environment and Primary Indu... | <urn:uuid:854fcaea-f6d2-4a69-9c7b-5bf06241e8c1> | 2.796875 | 517 | News (Org.) | Science & Tech. | 38.095155 | 2,336 |
Researchers explain Indo-Pacific climate change
A breakthrough in Indo-Pacific climate predictions is now reported in a study spearheaded by Hiroki Tokinaga, associate researcher at the International Pacific Research Center at the University of Hawaiʻi at Mānoa, and published in the November 15, 2012 issue of Nature.
T... | <urn:uuid:0f695f93-75f5-4075-8734-a1b36ae3c21e> | 3.703125 | 534 | News (Org.) | Science & Tech. | 18.501942 | 2,337 |
JPL News wrote: “Galileo makes two daring passes less than 620 km above Io on October 11 and November 25, 1999. In November Galileo might even pass through the plume of Pillan Patera, making it the first spacecraft ever to fly through an alien volcano.”
NASA scientists are upholding a long tradition of misinterpreting ... | <urn:uuid:59ae9291-4037-438c-a14f-1571f06e0d2c> | 3.875 | 589 | News Article | Science & Tech. | 52.543595 | 2,338 |
The National Weather Service map for Nov. 2, 2012 showed two areas of low pressure over eastern Canada, near Quebec.
That's where the remnants of Sandy are located and the storm's massive cloud cover continues to linger over a large area. That low pressure area is associated with Sandy's remnants.
A visible image from ... | <urn:uuid:b39cb64e-7bee-4377-a0cc-43a476f4409c> | 3.078125 | 849 | Content Listing | Science & Tech. | 57.870693 | 2,339 |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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4 digit no.
Two 4-digit numbers are to be formed such that the sum of the number is also a 4-digit number and in no place the addition is with carrying the number of ways of forming the... | <urn:uuid:64a1e336-54d9-4185-908a-83ca3962fe25> | 2.515625 | 208 | Comment Section | Science & Tech. | 71.92 | 2,340 |
Query: keyword: "Verspreiding"
|Authors||R. Felix, H. van Kleef|
|Title||Boomkrekels Oecanthus pellucens bij Lobith het land binnen (Orthoptera: Gryllidae)|
|Journal||Nederlandse Faunistische Mededelingen|
|Keywords||Boomkrekel; Nederland; Verspreiding; Herkenning|
|Abstract||Oecanthus pellucens entering the Netherland... | <urn:uuid:8181f4db-9489-4d2a-bc52-d4a434331963> | 2.671875 | 356 | Structured Data | Science & Tech. | 34.455169 | 2,341 |
Sep. 21, 2011 Genes essential to producing the developmental differences displayed by social insects evolve more rapidly than genes governing other aspects of organismal function, a new study has found.
All species of life are able to develop in different ways by varying the genes they express, ultimately becoming diff... | <urn:uuid:2e1846fc-8e45-49f4-86ce-30a34dcf8c26> | 3.40625 | 881 | News (Org.) | Science & Tech. | 23.271801 | 2,342 |
by Staff Writers
Washington DC (SPX) Nov 20, 2012
A new approach to invisibility cloaking may one day be used at sea to shield floating objects - such as oil rigs and ships - from rough waves. Unlike most other cloaking techniques that rely on transformation optics, this one is based on the influence of the ocean floor... | <urn:uuid:4572d094-1ced-4edf-9ff2-994327f85bef> | 3.25 | 609 | News Article | Science & Tech. | 29.60229 | 2,343 |
Canadian researchers have developed a liquid mirror that could operate in a future telescope located on the moon, allowing researchers to peer back into the origins of the universe with extraordinary clarity. Telescopes relying on liquid mirrors can be hundreds of times more powerful than those with glass mirrors–for t... | <urn:uuid:177b257a-b2b5-4abe-bfad-c2b18da8fce2> | 4.125 | 666 | News Article | Science & Tech. | 37.917527 | 2,344 |
Bipedalism didn’t evolve as a way for ancient humans to keep cool during the heat of the day, according to a new model published today (December 12) in Proceedings of the National Academy of Sciences. But once hominins did start walking on two feet, it ignited another change that allowed them to stay cool—the loss of b... | <urn:uuid:6a0f8e75-3fed-4e68-b964-2e649f7cc810> | 3.75 | 1,159 | News Article | Science & Tech. | 40.810418 | 2,345 |
Physicists announce antimatter discoveryBy Steve Koppes
Mother Nature likes matter better than antimattera preference physicists technically refer to as charge-parity violation. First observed in 1964 by James Cronin and Val Fitch, the indirect CP violation they studied won them the 1980 Nobel Prize in physics.
Since t... | <urn:uuid:93eadd17-3b11-4286-afbb-462ea547cded> | 3.671875 | 874 | News Article | Science & Tech. | 37.250566 | 2,346 |
“We are liquidating the earth’s natural assets to fuel our consumption.”
In World on the Edge, Lester Brown of the Earth Policy Institute, writes
“The world’s ever-growing herds of cattle, sheep, and goats are converting vast stretches of grassland to desert. Forests are shrinking by 13 million acres per year as we cle... | <urn:uuid:b7110989-2aab-42ca-94fa-e17a79662b43> | 3.4375 | 1,043 | Nonfiction Writing | Science & Tech. | 43.747775 | 2,347 |
Convert calendar time to local time
#include <time.h> struct tm* localtime_r( const time_t* timer, struct tm* result );
- A pointer to a time_t object that contains the calendar time that you want to convert.
- A pointer to a tm structure where the function can store the converted time.
Use the -l c option to qcc to li... | <urn:uuid:96371144-25fe-4437-93af-25566f999a2d> | 2.65625 | 231 | Documentation | Software Dev. | 47.4325 | 2,348 |
6. Built-in Exceptions
Exceptions should be class objects. The exceptions are defined in the module
exceptions. This module never needs to be imported explicitly: the
exceptions are provided in the built-in namespace as well as the
For class exceptions, in a try statement with an except
clause that mentions a particula... | <urn:uuid:7532d15d-663e-4069-813a-f78e9b7d0d77> | 3.71875 | 2,886 | Documentation | Software Dev. | 40.601432 | 2,349 |
Overview of energetic particle hazards during prospective manned missions to Mars
McKenna-Lawlor, Susan and Gonçalves, P. and Keating, A. and Reitz, G. and Matthiä, D. (2011) Overview of energetic particle hazards during prospective manned missions to Mars. Planetary and Space Science, 63-64, pp. 123-132. Elsevier. DOI... | <urn:uuid:0a877dc3-b90c-418c-9954-e24b1f183af1> | 3.046875 | 675 | Academic Writing | Science & Tech. | 37.943032 | 2,350 |
ASHVILLE, Ala. (AP) — Biologists this week waded through creeks in Alabama searching for tiny fish, documenting them as party of a study of aquatic wildlife in the region.
The Anniston Star reports (http://bit.ly/MCLUKI) that the scientists were taking part in a "fish blitz" aimed at identifying and documenting fish th... | <urn:uuid:646e5a66-4d78-4b21-bfb5-4b4420425e16> | 3.015625 | 180 | News Article | Science & Tech. | 41.301533 | 2,351 |
When disturbed, the spider might first vibrate the web to try to make its body look bigger, but if that fails to deter a predator she will drop to the ground and hide (Faulkner 1999). Adults may be captured by wasps such as the Blue Mud Dauber, Chalybion californicum (Landes et al. 1987). They are also eaten by birds, ... | <urn:uuid:ad546e16-0478-4f12-a216-0445f4c8b7f1> | 3.640625 | 248 | Knowledge Article | Science & Tech. | 39.90125 | 2,352 |
Forests.org News Archive
Non-profit forests news links and archive of materials no longer on web provided on these terms to help find solutions and for posterity
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* @EcoInternet has long campaigned
Report: Large-scale forest biomass energy not sustainable
Large-scale pro... | <urn:uuid:e4bc34e9-7dd5-425c-ab46-a34b301afbd3> | 2.875 | 311 | Content Listing | Science & Tech. | 23.634599 | 2,353 |
In studies of breast cancer cells, [senior investigator Dr. Bert] O'Malley and his colleagues showed how the clock works. Using steroid receptor coactivator-3 (SRC-3), they demonstrated that activation requires addition of a phosphate molecule to the protein at one spot and addition of an ubiquitin molecule at another ... | <urn:uuid:6e81bfdb-83f0-4a1f-aca7-131d25ae644e> | 2.546875 | 130 | Personal Blog | Science & Tech. | 38.10051 | 2,354 |
The height of a hill (in feet) is given by , where is the distance north, is the distance east of South Hadley.
(a) Where is the top of the hill located.
So . Then what? Set it equal to ?
(b) How high is this hill?
This is the magnitude of ?
(c) How steep is the slope (in feet per mile) at a point mile north and one mi... | <urn:uuid:b23bafd4-eb66-4068-bcb2-d4c802aaaf2c> | 3.09375 | 120 | Q&A Forum | Science & Tech. | 87.536331 | 2,355 |
Thorfinn.au sends along big physics news: magnetic monopoles have been detected at low temperatures in "Dirac strings" within a single crystal of Dysprosium Titanate. Two papers are being published today in the journal Science and two more on arXiv.org, as yet unpublished, provide further evidence. "Theoretical work ha... | <urn:uuid:5380ca90-c9af-488c-89b3-47de88c2f554> | 2.59375 | 286 | News Article | Science & Tech. | 37.25 | 2,356 |
Biofuel in the Pipeline
What’s so great about ethanol? Chemical engineer Kristala Jones Prather thinks she can design a better biofuel — one that’s closer to the octane of gasoline and doesn’t absorb quite as much metal-corroding water.
The U.S. Department of Energy reports that the U.S. spends nearly $1 billion a day ... | <urn:uuid:c6b1c936-026a-4377-8d6d-5110abc8a810> | 3.328125 | 583 | News Article | Science & Tech. | 35.616599 | 2,357 |
Earth on track to be hottest in human history: study
Earth is on track to becoming the hottest it has been at any time in the past 11.3 millennia, a period spanning the history of human civilisation, a new study says.
Based on fossil samples and other data collected from 73 sites around the world, scientists have been ... | <urn:uuid:31643a93-5056-464d-b488-48d0d57521bb> | 3.734375 | 504 | News Article | Science & Tech. | 49.1825 | 2,358 |
Ghosts of Tsunamis Past
Brian Atwater is one of those people whose surname coincidentally fits his or her line of work. As a geologist for the U.S. Geological Survey, he studies earthquakes and tsunamis of the past few thousand years. Doing this often requires him to get wet along shorelines, tidal marshes, and river d... | <urn:uuid:12d6fc47-6059-44c4-90b8-23653f52264f> | 4.0625 | 1,426 | Nonfiction Writing | Science & Tech. | 45.24313 | 2,359 |
Why only L amino acids?
Rafael N Szeinfeld
szeinfel at FOX.CCE.USP.BR
Thu Jul 7 11:41:18 EST 1994
On 6 Jul 1994 6566friedman at vmsa.csd.mu.edu wrote:
> Does anyone have a plausible hypothesis to explain why only L amino
> acids are used in proteins? I am teaching an introductory course in
> biochemistry this summer an... | <urn:uuid:8f1a4041-7775-4bf4-95f9-869dc2aaab2d> | 2.671875 | 235 | Comment Section | Science & Tech. | 71.026154 | 2,360 |
to fling the limbs and body, as in making efforts to move; to struggle, as a horse in the mire, or as a fish on land; to roll, toss, and tumble; to flounce. They have floundered on from blunder to blunder. (Sir W. Hamilton)
The common english flounder is Pleuronectes flesus. There are several common American species us... | <urn:uuid:41b37b93-259d-452c-b9c6-329940d1f86f> | 2.90625 | 235 | Truncated | Science & Tech. | 62.860011 | 2,361 |
The pattern of seasonal temperature odds across northern Australia is a result
of recent warm conditions in the Indian Ocean and an increasing level
of warmth in the Pacific. The Pacific has had the greater influence on this
The chance that the average July-September maximum temperature will exceed the
long-term median... | <urn:uuid:226c2a80-cea6-4141-bb97-480f6be82080> | 2.9375 | 306 | Knowledge Article | Science & Tech. | 32.504394 | 2,362 |
I want to implement FIFO (First in First out) approach in Java. The requirement is as following, 1)I receive string data in chunks after some time interval. 2)I want to write it in FIFO buffer having a fixed size i.e. only fixed number of data can be stored(say 5). 3)Then I will pick one by one from the buffer for furt... | <urn:uuid:be760671-eec4-4870-bedd-f7e99f637db6> | 2.78125 | 319 | Comment Section | Software Dev. | 70.415686 | 2,363 |
docs.oracle.com wrote: public void print(String s)
Print a string. If the argument is null then the string "null" is printed. Otherwise, the string's characters are converted into bytes according to the platform's default character encoding, and these bytes are written in exactly the manner of the write(int) method.
s ... | <urn:uuid:e3612000-55c5-4f93-b37f-4bf79a94f10d> | 3.296875 | 161 | Q&A Forum | Software Dev. | 68.375 | 2,364 |
I was using while (true) to control some code that was supposed to run for a designated amount of time. I noticed the processor load spike by 40-60%. As there was no input to slow down execution, it was tearing through the code in the while loop and repeating as quickly as possible. Looked up a way to slow it down and ... | <urn:uuid:980c4646-a150-4ea3-b60f-b4a043ec8f94> | 3.28125 | 289 | Q&A Forum | Software Dev. | 60.486204 | 2,365 |
Scientists challenge General Relativity. And Mr. Einstein wins again.
Two tests use cosmic laboratories to question if the laws of physics are universal.
Physicists assume that the laws they discover on Earth hold true throughout the universe and throughout all time. Their faith is only as good as the facts that suppor... | <urn:uuid:852c22f2-ee7a-4aa3-b9a1-1f8e101f0c4c> | 3.140625 | 704 | News Article | Science & Tech. | 50.753634 | 2,366 |
Review of existing Red Fox, Feral Cat, Feral Rabbit, Feral Pig and Feral Goat control in Australia. II. Information Gaps
Ben Reddiex, David M. Forsyth.
Department of the Environment and Heritage, 2004
7. Results and Discussion (continued)
The first stage of this review (Reddiex et al. 2004) showed that there was little... | <urn:uuid:91f1eae6-af79-4b5f-9f18-83cd8ead5425> | 3.09375 | 3,040 | Academic Writing | Science & Tech. | 35.27796 | 2,367 |
MIAMI – As Hurricane Isaac barreled toward New Orleans, a team led by University of Miami (UM) Professor and Deep-C (Deep Sea to Coast Connectivity in the Eastern Gulf of Mexico) Co-Principal Investigator Nick Shay was planning NOAA's P-3 aircraft missions to fly into the storm. Dr. Benjamin Jaimes and UM graduate stud... | <urn:uuid:2ff0767d-c7bc-4d33-9408-3eb614e180db> | 2.96875 | 1,143 | News (Org.) | Science & Tech. | 30.721394 | 2,368 |
Systems of Three Variables Systems of Three Variables
Systems of Three Variables
⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles.
- Solve this system. And here we have three equations with three unknow... | <urn:uuid:8f5362d3-5680-431d-90cf-abf2dd7153f4> | 3.53125 | 2,224 | Truncated | Science & Tech. | 68.932723 | 2,369 |
An endangered species is a group of organisms that are at risk of becoming extinct. 40% of all organisms are considered to be endangered. Many countries have created preserves where endangered animals live, and many have also created laws to protect them. However, only a few groups make it to the endangered species lis... | <urn:uuid:da8d9df1-7c1e-474f-94e0-9ccde0ab2202> | 3.765625 | 274 | Knowledge Article | Science & Tech. | 23.47013 | 2,370 |
The earth rotates about 361 degrees relative to a "fixed" star every 24 hours. Its circumference at the equator is about 24,901.5 miles. The horizontal velocity of the earth's surface at the equator is about 1,000 miles per hour and at the poles is zero miles per hour. Between the equator and the poles, the velocity va... | <urn:uuid:022573b5-5e3a-46a0-a9c9-5a25a7c32657> | 3.84375 | 1,902 | Knowledge Article | Science & Tech. | 44.932553 | 2,371 |
Mysterious Birth of Common Pollutants Revealed
Airborne particles and droplets called aerosols can make for colorful sunsets. Above, a sunset during an aerosol-ejecting Colorado wildfire in June 2012.
CREDIT: Brian Emory
The chaotic steps that give rise to microscopic particles in the atmosphere called aerosols were wi... | <urn:uuid:ef0f05d3-bd38-460d-a4be-e6f776d588d4> | 3.765625 | 751 | News Article | Science & Tech. | 38.979261 | 2,372 |
void *dlopen(const char *file, int mode);
The dlopen() function shall make an executable object file specified by file available to the calling program. The class of files eligible for this operation and the manner of their construction are implementation-defined, though typically such files are executable objects such... | <urn:uuid:ebe02864-3691-4a1d-abf8-3a23d74e1974> | 2.796875 | 1,236 | Documentation | Software Dev. | 26.429557 | 2,373 |
Assessing the ecological importance of clouds has substantial implications for our basic understanding of ecosystems and for predicting how they will respond to a changing climate. This study was conducted in a coastal Bishop pine forest ecosystem that experiences regular cycles of stratus cloud cover and inundation in... | <urn:uuid:1620e373-382e-443f-9934-f72fad9f2c14> | 3.140625 | 211 | Knowledge Article | Science & Tech. | 34.676667 | 2,374 |
(PHP 4 >= 4.2.0, PHP 5)
pcntl_exec — Executes specified program in current process space
Executes the program with the given arguments.
path must be the path to a binary executable or a script with a valid path pointing to an executable in the shebang ( #!/usr/local/bin/perl for example) as the first line. See your sys... | <urn:uuid:bc016635-d1b3-438e-84de-0d3ae859dda6> | 2.640625 | 170 | Documentation | Software Dev. | 64.960188 | 2,375 |
(Reuters) - Scientists at Europe's CERN research centre have found a new subatomic particle, a basic building block of the universe, which appears to be the boson imagined and named half a century ago by theoretical physicist Peter Higgs.
"We have reached a milestone in our understanding of nature," CERN director gener... | <urn:uuid:e3acee0b-841d-49c4-94d5-fa92cd1bb62d> | 2.640625 | 465 | News Article | Science & Tech. | 41.007504 | 2,376 |
Apr. 9, 2008 The Texas Petawatt laser reached greater than one petawatt of laser power on Monday morning, March 31, making it the highest powered laser in the world, Todd Ditmire, a physicist at The University of Texas at Austin, said. The Texas Petawatt is the only operating petawatt laser in the United States.
Ditmir... | <urn:uuid:05a839af-caa8-4e4e-8582-d01fd6d44523> | 3.40625 | 399 | Truncated | Science & Tech. | 43.220242 | 2,377 |
To move a tile into the empty space, click on the tile to be moved. If you think you need a hint to see how the map should look, click here.
Florida is the state where the most lightning flashes strike the ground. However, the number of injuries and deaths caused by lightning do not always occur in the same place. For ... | <urn:uuid:657c2196-7e85-4061-b8c3-cda01e2de3b9> | 2.921875 | 170 | Knowledge Article | Science & Tech. | 64.6025 | 2,378 |
The Pre-historic Edge
|Nicole Casal-Moore||November 7th 2012|
|Ancient Bear Dog - Magericyon anceps|
The fossilized fangs of saber-toothed cats hold clues to how the extinct mammals shared space and food with other large predators 9 million years ago.
Led by the University of Michigan and the Museo Nacional de Ciencias... | <urn:uuid:f7de6a27-9105-45ba-91ff-cee4810daab0> | 3.8125 | 939 | News Article | Science & Tech. | 42.814066 | 2,379 |
The fuel in all the 3 Units is thought to have at least partially melted down despite pumping sea water and boric acid into the Units
The crisis at the three Fukushima Daiichi nuclear power stations did not come from buildings collapsing due to the March 11 earthquake of magnitude 9 but from power failure following the... | <urn:uuid:6f1b2417-0b03-45dc-b3bf-922974d30ccf> | 3.5625 | 1,446 | Knowledge Article | Science & Tech. | 53.516006 | 2,380 |
Hawaii Experimental Tropical Forest selected as a candidate core site for the National Ecological ObservatoryUniversity of Hawaiʻi
Boone Kauffman, (808) 933-8121
Institute of Pacific Islands Forestry
The Laupahoehoe unit of the new Hawaiʻi Experimental Tropical Forest has been selected by the National Ecological Observ... | <urn:uuid:db0654c8-252d-4503-a2ff-5f6058caa50a> | 2.515625 | 663 | News (Org.) | Science & Tech. | 13.249273 | 2,381 |
A massive weather formation has developed that is nearly nine thousand miles long, stretching from the equatorial Pacific into the northern part of the northern hemisphere, driving moist tropical air from the Pacific deep into the United States.
The formation is causing flooding in previously drought-afflicted Texas, a... | <urn:uuid:ea4e5e22-e73c-42fc-a56a-a4c6931061d8> | 3.6875 | 343 | News Article | Science & Tech. | 35.314649 | 2,382 |
The molar volume is equal to the atomic weight divided by the density.
The molar volume is also known as the atomic volume.
The standard SI units are m3. Normally, however, molar volume is expressed in units of cm3. To convert quoted values to m3, divide by 1000000.
The molar volume depends upon density, phase, allotro... | <urn:uuid:f34e32d2-f025-42ac-9515-722ab00612c7> | 3.40625 | 132 | Knowledge Article | Science & Tech. | 47.667883 | 2,383 |
11.28.12 - Forecasters could soon be better able to predict how intense tropical cyclones like Hurricane Sandy will be by analyzing relative-humidity levels within their large-scale environments, finds a new NASA-led study.
05.03.12 - With 2,378 spectral eyes measuring our atmosphere, the Atmospheric Infrared Sounder c... | <urn:uuid:7ef8caf9-558e-4e71-af6e-85753041430b> | 2.90625 | 295 | Content Listing | Science & Tech. | 61.17606 | 2,384 |
Fermi-LAT Designer Awarded 2012 Panofsky Prize
William Atwood, a leading member of the Fermi Gamma-ray Space Telescope collaboration, will receive the 2012 W. K. H. Panofsky Prize in Experimental Particle Physics from the American Physical Society for his work as co-designer of the Large Area Telescope, the main instru... | <urn:uuid:2f8b1c46-00d7-42a7-b2b2-914bd33030b5> | 2.578125 | 767 | News (Org.) | Science & Tech. | 43.792587 | 2,385 |
Check out this short video to view the new features of C-ROADS.
(Click on the “Vimeo” word in the bottom right corner to view a larger version)
The top five improvements:
1. Choose from 14 different reference scenarios, pulled from EMF and SRES
2. Create emissions scenarios by changing Carbon intensity
3. Land use emis... | <urn:uuid:e0e2ddfe-ffef-423f-95ec-ba22f81faa7b> | 2.515625 | 228 | News (Org.) | Science & Tech. | 40.650958 | 2,386 |
Northern Crayfish Frog
The northern crayfish frog grows to a length of nearly four inches. It has dark round spots surrounded by light borders on its chin, and the back is noticeably humped. This somewhat stubby frog lives in the southern half of Illinois and is closely associated with the hardpan clay soils south of t... | <urn:uuid:7ee60440-f04d-4d64-bb07-9679d69a6b08> | 2.859375 | 149 | Knowledge Article | Science & Tech. | 60.439231 | 2,387 |
(PHP 5 >= 5.3.3)
stream_set_read_buffer — Set read file buffering on the given stream
Sets the read buffer. It's the equivalent of stream_set_write_buffer(), but for read operations.
The file pointer.
The number of bytes to buffer. If
bufferis 0 then read operations are unbuffered. This ensures that all reads with frea... | <urn:uuid:9899b93f-0af2-4b43-be39-3955c10da2b8> | 2.53125 | 139 | Documentation | Software Dev. | 54.611111 | 2,388 |
The os module provides dozens of functions for interacting with the operating system:
>>> import os >>> os.getcwd() # Return the current working directory 'C:\\Python33' >>> os.chdir('/server/accesslogs') # Change current working directory >>> os.system('mkdir today') # Run the command mkdir in the system shell 0
>>> i... | <urn:uuid:6854a7b0-8438-4166-b261-5bbfeea832e1> | 3.234375 | 1,623 | Documentation | Software Dev. | 63.25983 | 2,389 |
Weakly interacting massive particles
In astrophysics, weakly interacting massive particles or WIMPs, are hypothetical particles serving as one possible solution to the dark matter problem. These particles interact through the weak force and gravity, and possibly through other interactions no stronger than the weak forc... | <urn:uuid:d8a593e1-9d8f-49e9-af0d-8c2f441418c8> | 3.5 | 3,463 | Knowledge Article | Science & Tech. | 48.973457 | 2,390 |
Blackburn, George Alan (1998) Spectral indices for estimating photosynthethic pigment concentrations : a test using senescent tree leaves. International Journal of Remote Sensing, 19 (4). pp. 657-675.Full text not available from this repository.
The possibility of estimating the concentration of individual photosynthet... | <urn:uuid:8775a527-f221-40c3-87b9-92c1fc32eb18> | 2.703125 | 332 | Academic Writing | Science & Tech. | 23.825249 | 2,391 |
The Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating.
The TRMM Precipitation Radar (PR), the first of its kind in space, is an electronically scanning radar, operating at 13.8 GHz that measu... | <urn:uuid:dba54dab-7e59-4ca6-9c9e-5a6ec893412c> | 2.59375 | 478 | Knowledge Article | Science & Tech. | 43.486302 | 2,392 |
[Location: Location_Category='CONTINENT', Location_Type='ANTARCTICA', Detailed_Location='SOUTH VICTORIA LAND']
New Zealand International Transantarctic Scientific Expedition (NZ ITASE) - Climate variability measured from ice cores taken along the Victoria Land CoastEntry ID: K049_1999_2008_NZ_1
Click to see members of ... | <urn:uuid:fd2e1696-bfd5-4b5c-8110-d54a6b6aaf1e> | 2.984375 | 1,783 | Content Listing | Science & Tech. | 31.927909 | 2,393 |
The photosynthetic performance of the fruticose lichen Usnea sphacelata was measured using advanced, climatised photosynthetic cuvettes at Scott Base. Individuals of the Usnea sp were identified and collected and their distribution recorded at Cape Royds. Two forms, a pale shade form and a dark sun form were identified... | <urn:uuid:65b7bb51-0e10-47c7-9a08-9936be51269e> | 2.515625 | 344 | Knowledge Article | Science & Tech. | 38.354412 | 2,394 |
Better get used to it. More frequent and intense storms are what studies and New York City’s own panel on climate change have predicted for the city as average temperatures and sea levels rise over the next decades.
By midcentury, city officials say, New York City’s average temperature is projected to increase three to... | <urn:uuid:b48a9d8d-9b16-4cc4-8552-a6b622f2fff9> | 3.015625 | 330 | News Article | Science & Tech. | 39.130598 | 2,395 |
The State of Earth’s Terrestrial Biosphere: How is it Responding to Rising Atmospheric CO2 and Warmer Temperatures?
One of the potential consequences of the historical and ongoing rise in the air’s CO2 content is global warming, which phenomenon has further been postulated to produce all sorts of other undesirable cons... | <urn:uuid:0c72590a-5319-4677-b2ce-d06b87305194> | 3.71875 | 311 | Academic Writing | Science & Tech. | 25.01062 | 2,396 |
Fri May 11, 2012
Saving California's Native Oyster
About halfway between Santa Cruz and Monterey is Elkhorn Slough. This estuary, with its meandering waterways and abundant wildlife, is a destination for kayakers, bird watchers and researchers. About a third of the slough is a National Estuarine Research Reserve. “So y... | <urn:uuid:c2cdf6c8-8e76-44c6-8324-98458fad007f> | 3.125 | 879 | News (Org.) | Science & Tech. | 57.717607 | 2,397 |
History---Cause---Effects on Different Parts of the World---Case Studies of South East Asia Countries
Cause of El Nino
The Southern Oscillation
This natural marvel, El Nino, could be related to a shift in the air movement over the tropical Pacific Ocean. Changes in wind direction cause the alteration in circulation and... | <urn:uuid:296b9ba8-8dac-4383-88a4-6b4153b44ae0> | 3.578125 | 193 | Knowledge Article | Science & Tech. | 25.887308 | 2,398 |
See also the
Browse High School Functions
Stars indicate particularly interesting answers or
good places to begin browsing.
Selected answers to common questions:
Composition of functions.
Domain and range.
Inverse of a function.
- All About Functions [11/06/1996]
Could you please explain functions?
- Defining 'Undefine... | <urn:uuid:18fc8150-175c-488f-963d-c24d85ed509a> | 3.875 | 1,778 | Q&A Forum | Science & Tech. | 77.647692 | 2,399 |