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Greenland's glaciers are sliding into oceans at a faster pace than previously known, but they may contribute less to an expected rise in global sea level than feared, scientists reported Thursday.
From 2000 to 2010, researchers at the University of Washington and Ohio State University monitored the vast rivers of ice t... | <urn:uuid:38d03c32-965f-49b5-9999-f564570dae2d> | 3.875 | 495 | News Article | Science & Tech. | 48.76892 | 1,000 |
Just three Latin words unlock the meanings of most cloud names: Stratus meaning layer; cumulus, the word for lump or heap; and cirrus, which means wispy or curly. Add to this basic group the word nimbus, which means 'pouring down rain,' alto, the word meaning middle, and fracto for broken and you've got almost the enti... | <urn:uuid:6654aabd-6844-42a1-aa27-240393908739> | 3.453125 | 313 | Audio Transcript | Science & Tech. | 56.412175 | 1,001 |
Galileo Finds Veritable Chemical Factory On Europa
News story originally written on March 29, 1999
Scientists using instruments aboard the Galileo spacecraft have found
hydrogen peroxide on Jupiter's moon Europa
. This is added to the list
of chemicals such as sulfur dioxide, water ice, and carbon dioxide that
have alr... | <urn:uuid:da12cf53-daa9-4ff6-8f4d-b844e1254f90> | 3.15625 | 476 | Content Listing | Science & Tech. | 50.005108 | 1,002 |
Source code: Lib/cgi.py
Support module for Common Gateway Interface (CGI) scripts.
This module defines a number of utilities for use by CGI scripts written in Python.
A CGI script is invoked by an HTTP server, usually to process user input submitted through an HTML <FORM> or <ISINDEX> element.
Most often, CGI scripts l... | <urn:uuid:fc15aac5-84e6-472c-b2cc-be5ef6b65e04> | 3.265625 | 4,036 | Documentation | Software Dev. | 53.363656 | 1,003 |
Biodiversity Offsets Threaten Both The Survival And The Meaning Of Nature
Propose a get-out clause and – however many warnings and caveats you wrap round it – before long it will be used. This post is about the dangerous new concept the government has seeded in the minds of developers and planners.
The idea is called b... | <urn:uuid:ff14dab3-7243-4d73-b705-11db7fa4b962> | 2.75 | 1,205 | Nonfiction Writing | Science & Tech. | 42.93612 | 1,004 |
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.
May 26, 1998
Explanation: Isn't the Sun round? Yes, but in the above picture, the Earth's atmosphere makes it appear almost square. Here a layer of ... | <urn:uuid:e6393952-ed60-4e2f-8be1-a3148fd67144> | 3.375 | 210 | Knowledge Article | Science & Tech. | 58.759634 | 1,005 |
For the first time, scientists have caught a glimpse of the breeding behaviour of the rare giant armadillo in the wild.
Found throughout the Amazon rainforest and Brazil’s Pantanal region, the giant armadillo is the largest species of armadillo in the world. Classified as Vulnerable on the IUCN Red List, this species’ ... | <urn:uuid:74a06a22-046c-4187-9170-8067f9ab7ccf> | 3.875 | 712 | News (Org.) | Science & Tech. | 22.779596 | 1,006 |
The manmade changes pushing the planet toward a critical transition
Nature changes gradually—until it doesn’t. As the changes in an ecosystem pile up, they can push the system past a “critical threshold,” and then the change can become extremely fast (in relation to geological timescales) and unstoppable. And in a revi... | <urn:uuid:082ad00c-9939-40e5-bdcb-ef0b369ed52a> | 3.6875 | 263 | Truncated | Science & Tech. | 41.051789 | 1,007 |
March 5, 1998
In the March 5 issue of the science journal Nature, Stephen Tegler, an assistant professor in the NAU Physics and Astronomy department, and William Romanishin, from the University of Oklahoma, report that the objects exhibit neutral-colored surfaces and extraordinarily red surfaces.
"The reason for two di... | <urn:uuid:d6b2c056-cc5d-4567-b737-d07717d09ca5> | 3.890625 | 736 | News Article | Science & Tech. | 35.018486 | 1,008 |
Table of contentsNo headers
An ideal solution or ideal mixture is a solution in which the enthalpy of solution is zero ΔHsolution = 0; the closer to zero the enthalpy of solution, the more "ideal" the behavior of the solution becomes. An ideal mixture is one in which the activity coefficients are equal to one. The conc... | <urn:uuid:04d06d9d-063d-4122-9b27-8b1ffa7d26c2> | 3.390625 | 135 | Truncated | Science & Tech. | 24.260385 | 1,009 |
Date: September 2001
Creator: Subcommittee on Global Change Research, Committee on Environment and Natural Resources of the National Science and Technology Council
Description: This document, which is produced annually, describes the activities and plans of the U.S. Global Change Research Program (USGCRP), which was es... | <urn:uuid:f2b055c3-5fe1-4193-a28c-13b9ad46060a> | 3.171875 | 279 | Content Listing | Science & Tech. | 19.24987 | 1,010 |
We use the high resolution North American Regional Analysis (NARR) dataset to build for the United States a Temperature Change Index (TCI) based on four contributing variables derived from the layer-averaged temperature and lapse rate of the 1000mb - 700mb layer (near-surface to 3000 meters) for the 1979-2008 period. T... | <urn:uuid:5c8a0293-5d30-484f-a803-a5bb7263d5e4> | 3.390625 | 336 | Knowledge Article | Science & Tech. | 12.466202 | 1,011 |
By default, new-style classes are constructed using type().
A class definition is read into a separate namespace and the value
of class name is bound to the result of
type(name, bases, dict).
When the class definition is read, if __metaclass__ is defined then the callable assigned to it will be called instead of type()... | <urn:uuid:58cb0ef1-4d30-453b-b601-adc8ea8c978c> | 2.703125 | 204 | Documentation | Software Dev. | 38.791466 | 1,012 |
People and other living beings depend on natural resources for food, shelter, and protection, as well as for generating energy and all the products we manufacture. With current consumption patterns, people are using these resources at an unsustainable rate. Many resources are at risk of becoming depleted.
The U.S. has ... | <urn:uuid:6e8d5e4d-a641-4ff5-aede-f7d38374f40b> | 3.8125 | 335 | Knowledge Article | Science & Tech. | 32.068728 | 1,013 |
A whispering gallery is usually a circular, hemispherical, elliptical or ellipsoidal enclosure, often beneath a dome or a vault, in which whispers can be heard clearly in other parts of the gallery. Such galleries can also be set up using two parabolic dishes. Sometimes the phenomenon is detected in caves.
A whispering... | <urn:uuid:f53e0151-721e-4b72-9a2e-414aac8f2f82> | 3.484375 | 1,108 | Knowledge Article | Science & Tech. | 50.96221 | 1,014 |
A silver halide is one of the compounds formed between silver and one of the halogens - silver bromide (AgBr), chloride (AgCl), iodide (AgI), and two forms of silver fluorides. As a group, they are often referred to as the silver halides, and are often given the pseudo-chemical notation AgX. Although most silver halide... | <urn:uuid:84394775-c909-48a3-ba44-f1756d52ee93> | 3.578125 | 909 | Knowledge Article | Science & Tech. | 9.835883 | 1,015 |
How fast anything spins is partly determined by how its weight is distributed. The closer an object’s weight is to its axis of rotation, the faster it spins. To picture this, imagine an ice skater doing a pirouette. When her arms are extended, she spins slowly.
For many scientists, a species’ success is measured by she... | <urn:uuid:dc80beba-3e02-41cd-881e-125ccd291ecb> | 2.96875 | 137 | Truncated | Science & Tech. | 70.260481 | 1,016 |
Why wait (), notify () and notifyAll () must be called from synchronized block or method in Java
Most of Java developer knows that wait() ,notify() and notifyAll() method of object class must have to be called inside synchronized method or synchronized block in Java but how many times we thought why ? Recently this que... | <urn:uuid:86f8b432-2bb3-48d1-af4d-d4d85a904118> | 3.671875 | 774 | Personal Blog | Software Dev. | 41.163405 | 1,017 |
Wed February 22, 2012
Is Einstein Right? Error Could Account For Faster-Than-Light Neutrinos
Originally published on Wed February 22, 2012 4:25 pm
Remember last year, when we reported that Italian scientists claimed to have broken the speed of light? Remember the mystical implications of that? The possibility that Eins... | <urn:uuid:8052ba0f-8977-40bd-905d-e2da40b9be6c> | 3.03125 | 370 | News Article | Science & Tech. | 43.41975 | 1,018 |
Your estimates are not scale invariant, so I am trying to guess what you want from the picture.
A closed geodesic cuts your surface into two discs. Both have geodesic as a boundary, positive curvature and area $\le$ than area of your original surface. If geodesic is long, then (with the intrinsic metric) these discs lo... | <urn:uuid:bbdaa247-b383-4d03-ac96-36887f2e0b44> | 2.734375 | 248 | Q&A Forum | Science & Tech. | 57.357967 | 1,019 |
Return to Physics Index
Monegain, Louise J. Park Manor
1) Students will learn basic understanding of inertia.
2) Students will demonstrate some activities illustrating inertia.
3) Students will develop a basic understanding of Newton's laws of motion.
Balls various sizes, pie pans with one fourth slice removed, pennies... | <urn:uuid:36e6f5ef-921e-4991-8a06-69f079752c70> | 4.3125 | 354 | Tutorial | Science & Tech. | 57.706937 | 1,020 |
Layered Magnetic Structures: Evidence for Antiferromagnetic Coupling of Fe Layers across Cr Interlayers
Grünberg, P., Schreiber, R., Pang, Y., Brodsky, M.B., & Sowers, H. (1986) Layered Magnetic Structures: Evidence for Antiferromagnetic Coupling of Fe Layers across Cr Interlayers. Phys. Rev. Lett. 57, 2442.
Essay abou... | <urn:uuid:5541a716-0938-428c-9d5b-67e15601db30> | 2.65625 | 1,815 | Academic Writing | Science & Tech. | 54.958309 | 1,021 |
[en] The efficiency of the transmission of surface plasmon waves by use of a dielectric diffraction grating is discussed. The Kretschmann device allows us to obtain a surface plasmon resonance that consists of an absorption peak in the reflection spectrum. When surface plasmon resonance occurs, the TM-polarization mode... | <urn:uuid:abf25383-07bd-4879-8bed-60a2b7af74d1> | 2.78125 | 214 | Academic Writing | Science & Tech. | 21.615337 | 1,022 |
Researchers at Rensselaer Polytechnic Institute have created a razor-like material that is truly on the “cutting edge” of nanotechnology. Called nanoblades, these first-of-their-kind magnesium nanomaterials challenge conventional wisdom about nanostructure growth, and could have applications in energy storage and fuel ... | <urn:uuid:3eadd7d3-7aed-41e4-aab1-8148f112d57f> | 3.71875 | 910 | News Article | Science & Tech. | 18.200669 | 1,023 |
Major Section: GUARD
Most users can probably profit by avoiding dealing with guards most
of the time. If they seem to get in the way, they can be ``turned
off'' using the command
nil; for more
about this, see set-guard-checking. For more about guards in
general, see guard.
The guard on a function symbol is a formula ab... | <urn:uuid:77483d75-14c4-4f9d-b535-1878ce526457> | 2.765625 | 433 | Documentation | Software Dev. | 49.482474 | 1,024 |
I love classic sci fi movies, but if some advanced alien being could make the whole Earth (as opposed to just the man-made parts) literally stand still, the end results would be nothing short of catastrophic.
You see, because most of Earth’s surface is covered with water, that water is hugely affected by the motion of ... | <urn:uuid:e9fb9166-bf59-4a4d-a97a-a3a2ae76a15a> | 3.4375 | 252 | Personal Blog | Science & Tech. | 47.550114 | 1,025 |
You can do something the Hubble telescope can't: Observe Mercury. And February is the best time this year to do it.
The first planet will make its best appearance of 2013 about 30 minutes after sunset between Feb. 12 and 20 as it positions itself at least 10 degrees-extend your arm and make a fist-above the horizon in ... | <urn:uuid:97656c65-ce76-489f-bb57-5c2ba617b649> | 3.421875 | 408 | News Article | Science & Tech. | 64.853913 | 1,026 |
Green Tree Ant
A Green Tree Ant worker adopts an aggressive stance as it defends the nest.
A Green Tree Ant nest in the foliage of a tree.
An adult Moth Butterfly, Liphyra brassolis. The caterpillars of this butterfly live only inside Green Tree Ant nests where they feed on ant larvae and pupae.
Green Tree Ants, someti... | <urn:uuid:98919a77-eced-4777-9741-acd3e17805e4> | 3.53125 | 402 | Knowledge Article | Science & Tech. | 60.853901 | 1,027 |
This type of image shows heat based radiation from the infrared spectrum. In other words, the warmer the surface, the more infrared radiation it emits. For a satellite image, cooler surfaces are bright and warmer surfaces are dark. Since the atmosphere cools as you increase in altitude, clouds would show up as bright a... | <urn:uuid:2bc2e4e0-c73f-4d36-944b-09a8f26b4a58> | 3.125 | 124 | Knowledge Article | Science & Tech. | 60.908636 | 1,028 |
Threat of eutrophication to the Baltic Ecoregion
A widespread and persistent problem
Eutrophication it is a process where bodies of water, such as lakes, estuaries, or slow-moving streams, receive excess nutrients that stimulate excessive plant growth.
This enhanced plant growth, often called an algal bloom, reduces di... | <urn:uuid:ee26e634-1fd2-43bd-894f-25a168ff7293> | 3.84375 | 896 | Knowledge Article | Science & Tech. | 33.870112 | 1,029 |
Was Hurricane Sandy caused by climate change?
Climate changing? "Anyone who thinks there isn't a change in weather patterns is denying reality," says Andrew Cuomo, governor of New York state, which bore the brunt of the superstorm.
Many climate scientists would agree with Cuomo when it comes to identifying the cause of... | <urn:uuid:d3073fb9-c753-4218-8c3a-dd02e08e67de> | 3.09375 | 630 | News Article | Science & Tech. | 40.382997 | 1,030 |
It sounds like the plot to a science fiction story, but new scientific research hypothesizes that "advanced dinosaurs" may have evolved on other
planets in the universe.
In his report, Breslow discusses the age-old mystery of why the building blocks of terrestrial amino acids (which make up proteins), sugars, and
the g... | <urn:uuid:85914a65-a20f-45c3-aa70-d0580dbe2320> | 2.703125 | 213 | Comment Section | Science & Tech. | 47.038117 | 1,031 |
When a generic function is called with particular arguments, it must determine the code to execute. This code is called the effective method for those arguments. The effective method is a combination of the applicable methods in the generic function that calls some or all of the methods.
If a generic function is called... | <urn:uuid:2a8f78a0-70ac-4384-a5c0-e5b3dfdd0cca> | 2.65625 | 226 | Documentation | Software Dev. | 52.381238 | 1,032 |
Biomolecules and Nanotechnology
Evolution has forced innovative solutions to biomolecular problems. Some may inform the growing field of nanotechnology
The term "nanotechnology" commonly refers to a speculative field that proposes to build machinery so small its components are measured on a scale of billionths of a met... | <urn:uuid:292189d9-54fa-43a4-b27e-406c00a1c713> | 3.390625 | 571 | Nonfiction Writing | Science & Tech. | 14.74675 | 1,033 |
Rising in the dark
hours before dawn,
wandering Venus now shines
as the brilliant morning star.
Its close conjunction with the Moon on August 13 was
appreciated around planet Earth.
But skygazers in eastern Asia were also treated to
a lunar occultation,
the waning crescent Moon passing directly in front of the bright p... | <urn:uuid:24875a5d-047e-4eb3-94a1-626227e48c95> | 2.734375 | 167 | Truncated | Science & Tech. | 48.342572 | 1,034 |
What to expect from Comet PANSTARRS in February
Southern-sky viewers have all the luck this month.
January 31, 2013
As Comet PANSTARRS makes its first trip through the inner solar system, it could brighten to naked-eye visibility late in February for observers in the Southern Hemisphere. // Astronomy: Roen Kelly
As Feb... | <urn:uuid:94e9f6bf-4ecb-4849-abb0-5d56db4f5190> | 3.28125 | 977 | News Article | Science & Tech. | 55.099513 | 1,035 |
Ultraviolet (UV) light is electromagnetic radiation in the approximate wavelength range 10 to 400 nm. It has wavelengths shorter than visible light but longer than x-rays and is invisible to the human eye. The ultraviolet wavelength range is broadly divided in order of decreasing wavelength into the near ultraviolet (N... | <urn:uuid:7e00adee-5855-43b3-9ea8-767b6962918c> | 4.1875 | 289 | Knowledge Article | Science & Tech. | 32.994091 | 1,036 |
Solar Neutrino Experiments
Neutrinos are ghostlike particles that were postulated by Wolfgang Pauli in 1930 on purely theoretical grounds and, until recently, were believed to have zero mass. They are thought to be produced in the nuclear reactions that provide the sun's energy. They rain down on each square inch of th... | <urn:uuid:5293fcfb-3889-4ffc-a74f-e9824a93e7c9> | 4.25 | 591 | Knowledge Article | Science & Tech. | 35.897327 | 1,037 |
Energetic Jets from a Budding Solar System
The image on the left from NASA's Chandra X-ray Observatory shows the first double-sided X-ray jet ever detected from a young star. A similar jet may have been launched from the young Sun and could have had a significant impact on the early solar system.
The young star, named ... | <urn:uuid:be87d6df-4a69-4925-bd8a-241f47d7c40e> | 3.671875 | 744 | Knowledge Article | Science & Tech. | 50.369647 | 1,038 |
The sun sets behind the Christ the Redeemer statue and the Corcovado mountain Dec. 28 in Rio de Janeiro, two days after the city recorded its hottest day since 1915 at 109.7 degrees Fahrenheit. / Felipe Dana, AP
While the USA sweltered through its warmest year on record in 2012, the globe as a whole wasn't quite that t... | <urn:uuid:1f540a73-8569-4fda-b812-70a58b1d429d> | 3.3125 | 762 | News Article | Science & Tech. | 47.190285 | 1,039 |
Photo Credit: Scott Gravette
Scientific name: Carphophis amoenus ssp.
Other name: None
Description: There are two subspecies of worm snakes, Eastern worm snake Carphophis amoenus amoenus and Midwest worm snake Carphophis amoenus helenae. Worm snakes Carphophis amoenus ssp. are small secretive snakes only reaching 13 in... | <urn:uuid:584e8f89-7bf8-441d-8b1a-b2ed7bda5520> | 3.265625 | 516 | Knowledge Article | Science & Tech. | 50.1941 | 1,040 |
The issue of global climate change was identified decades ago. In fact, it was first noted in the media in the 1930s, when a prolonged period of warm weather demanded explanation, yet interest in the matter disappeared as cooler temperatures returned. For the past decade, most experts have accepted climate change as a ... | <urn:uuid:3f3fcd06-76cd-4754-972c-625ca2030beb> | 2.84375 | 995 | Academic Writing | Science & Tech. | 25.413585 | 1,041 |
nielsbohrium (nēlzbôrˈēəm) [key], symbol Ns, former suggested name for both element 105, now called dubnium, and element 107, now called bohrium.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on nielsbohrium from Fact Monster:
- Ns - Ns Ns, formerly... | <urn:uuid:9335bc99-981e-4bf6-a9e1-7d04f7950599> | 2.75 | 195 | Knowledge Article | Science & Tech. | 39.271667 | 1,042 |
Glossary of Green Power Terms
|What Is Green Power?||What Are the Benefits of Green Power?|
|What Is Renewable Energy?||Glossary of Green Power Terms|
Annual Consumption – Annual consumption refers to the amount of electricity used by a consumer in one year and is typically measured in kilowatt-hours (kWh). This inform... | <urn:uuid:bc69c3ec-3cad-46ec-94c9-3555b6aa054b> | 3.609375 | 1,987 | Structured Data | Science & Tech. | 19.555412 | 1,043 |
Spewing Hot Rocks on Old Ideas
by David F. Coppedge *
The most volcanically active body in the solar system is a little moon of Jupiter named Io. This moon is pumping out the hottest lavas known, from equator to pole, 24/7. That a small body could be this hyperactive is one of the major mysteries for adherents to the b... | <urn:uuid:c94be527-1fe9-4c43-ad4f-dd9c606a665e> | 3.890625 | 696 | Truncated | Science & Tech. | 59.041822 | 1,044 |
.: My Research
The universe entered a dark age 300,000 years after the big bang as the primordial radiation cooled and shifted into the infrared. Darkness remained until the first non-linearities developed, eventually evolving into the galaxies that illuminate the universe today. To understand how the galaxies in the e... | <urn:uuid:bd9a13c3-1332-426e-9f03-aae118bb8d44> | 2.75 | 169 | About (Pers.) | Science & Tech. | 19.305899 | 1,045 |
Urticina felina on sand-affected circalittoral rock
Image Keith Hiscock - Urticina felina and Ciocalypta penicillus on sand-covered circalittoral rock (MCR.Urt.Cio). Image width ca 60 cm.
Image copyright information
Ecological and functional relationships
The sub-biotopes of MCR.Urt are dominated by sessile, permanentl... | <urn:uuid:5eb3b406-752d-49f5-a17b-148019547ff4> | 3.1875 | 4,762 | Knowledge Article | Science & Tech. | 27.134757 | 1,046 |
Libraries are handled a little differently for the Java grade. Instead of compiling object code into a static or shared library, the class files are added to a jar (Java ARchive) file of the form library-name.jar.
To create or install a Java library, simply specify that you want to use the java grade, either by setting... | <urn:uuid:39d2eade-08f8-4aef-af7f-c415fc2d91ac> | 3.125 | 199 | Tutorial | Software Dev. | 38.146767 | 1,047 |
Sleek probe to map Earth's gravity
16 March 2009
At 14:21 GMT, Monday 16 March 2009, the European Space Agency (ESA) will launch a new satellite to map variations in the Earth's gravity field with unprecedented accuracy.
The satellite will give UK scientists vital information about ocean circulation and sea level chang... | <urn:uuid:eaefc6c6-d82e-422c-a898-d65cdadc97b4> | 3.578125 | 1,506 | News (Org.) | Science & Tech. | 41.544436 | 1,048 |
The Cassini probe may have already collected data that could reveal the presence of life on Saturn's moon Enceladus, a new study argues. But mission scientists say teasing out the subtle signature of life may prove difficult.
Researchers have been fascinated with Enceladus since July 2005, when Cassini revealed a drama... | <urn:uuid:a714a25f-fea9-48fc-aa9f-dfa118b5d1ca> | 3.96875 | 1,308 | Comment Section | Science & Tech. | 44.244441 | 1,049 |
A few years ago, I decided that I needed to know more about the history of science, so naturally I volunteered to teach the subject. In working up my lectures, I was struck with the fact that in the ancient world, astronomy reached what from a modern perspective was a much higher level of accuracy and sophistication th... | <urn:uuid:3cb64f11-a3d4-471d-8b76-fd94ca6e75fa> | 3.859375 | 522 | Personal Blog | Science & Tech. | 45.616693 | 1,050 |
A new rocket propellant consisting of aluminum powder and water ice could point toward the future of space exploration
Spacecraft might one day refuel on the moon or Mars using plain old ice. A small rocket flew earlier this month on an environmentally-friendly propellant consisting of aluminum powder and water ice.
Th... | <urn:uuid:ed971924-0136-4083-b767-60133b4dec21> | 3.0625 | 129 | News Article | Science & Tech. | 10.725714 | 1,051 |
Frontiers of health: Following the map
Web of protein interactions governs cell behavior
Mona Singh doesn’t use the maps in her office to get from point A to point B—she uses them to find meaning hidden in biological data, which may help advance the understanding of disease at the genetic level.
It’s a formidable task.... | <urn:uuid:c002f550-1c9f-45f7-8c80-791acdfcf8c5> | 3.46875 | 401 | News (Org.) | Science & Tech. | 31.924746 | 1,052 |
On March 4th, 2011, the Glory satellite was unsuccessful in its attempt to reach orbit due to a failure with the launch vehicle. For more information, visit the NASA Glory Web site: http://www.nasa.gov/glory
Raytheon’s Aerosol Polarimetry Sensor
Raytheon’s Aerosol Polarimetry Sensor (APS) will measure aerosols in Earth... | <urn:uuid:5d022d22-b459-4834-a581-75b60dc3195b> | 3.78125 | 445 | Product Page | Science & Tech. | 17.977115 | 1,053 |
Icy Particles Of Space May Have Been The Ingredients For Life On Earth
Lawrence LeBlond for redOrbit.com – Your Universe Online
In an effort to better understand how life started on Earth, researchers at NASA’s Jet Propulsion Laboratory in Pasadena, California are cooking up icy concoctions of organisms (carbon-bearing... | <urn:uuid:e3fb4d65-852b-4fc7-892e-b730c9a47b0e> | 3.84375 | 731 | News Article | Science & Tech. | 30.978689 | 1,054 |
Centennial of Alfred Wegener's continental drift theory: the start of Earth systems science
One century ago, in January 1912, Alfred Wegener presented for the first time his theory of "continental drift" at a meeting held in Frankfurt, in Germany (*). Wegener had collected geological and paleontological data that gave ... | <urn:uuid:da66b9cb-1579-4a22-86d9-aec1a8bb39ac> | 3.984375 | 1,024 | Knowledge Article | Science & Tech. | 35.952446 | 1,055 |
earth sciences and ecology question #1437
Christobell Bison, a 19 year old male from Sudbury asks on May 11, 2003,Q:
Can Ozone be created? And if so, is it possible to patch up the Earth's protective layer of Ozone with it?
viewed 13451 times
Yes it can be created, pretty easily. It is commonly created around photocopi... | <urn:uuid:40f573cf-c050-42ee-8bae-408c771542d3> | 3.671875 | 339 | Q&A Forum | Science & Tech. | 54.359727 | 1,056 |
June 10, 2011 When NASA's Mars Exploration Rover Opportunity reaches the rim of a large crater it is approaching, its arrival will come with an inspiring reminder.
This crater, Endeavour, became the rover's long-term destination nearly three years ago. Opportunity has driven about 11 miles (18 kilometers) since climbin... | <urn:uuid:560d82a8-a330-4791-a536-365b01de4425> | 2.828125 | 489 | News Article | Science & Tech. | 39.6696 | 1,057 |
These messages are caused by common misunderstanding of the Prolog interactive toplevel. Both (:-)/1 and (?-)/1 are used to specify queries. If some text reads
?- is the prompt and should not be typed. Repeating the
prompt results in:
?- ?- prove(X). ERROR: Undefined procedure: (?-)/1 ERROR: ?- is the Prolog prompt ERR... | <urn:uuid:9f7275e3-7615-4ea8-a0bd-a59e9d6e20d2> | 2.703125 | 764 | FAQ | Software Dev. | 65.65061 | 1,058 |
This interactive activity from NOVA scienceNOW reviews several potential means of storing carbon dioxide (CO2) captured from industrial sources. Among the featured ideas are technologies that deliver compressed CO2 to underground cavities, saline aquifers, and the deep seabed. The benefit of storing, or sequestering, c... | <urn:uuid:88a43e2e-e54d-483b-adec-27075f6d6017> | 4.25 | 861 | Knowledge Article | Science & Tech. | 22.900349 | 1,059 |
Use of diatoms in biostratigraphy, coastal and estuarine studies, paleoceanology, paleoliminology, earthquake studies, environmental quality and forensic studies. Includes listing of USGS diatom projects and links to other diatom websites.
Direct measurement of an important indicator of interannual variability is exten... | <urn:uuid:f86b9066-6340-452b-bfad-3ddf090ba2e2> | 3.0625 | 199 | Content Listing | Science & Tech. | 0.378409 | 1,060 |
Uit Kust Wiki
One of two or more atoms of the same element that have the same number of protons in their nucleus but a different number of neutrons. Most elements in nature consist of a mixture of isotopes..
- ↑ Martin E. and Hine R.S. (2000). Oxford Dictionary of Biology (4th Ed). Oxford University Press: New York, (U... | <urn:uuid:5b9b8592-9fdc-414d-b77e-84aa80280200> | 2.8125 | 86 | Knowledge Article | Science & Tech. | 66.060059 | 1,061 |
Recently, I posted an article about how Ben Franklin’s 1752 invention of the lightning rod was such an important development not only for human safety but also for helping to turn the blind eye of religious extremists toward acceptance of the wonders of science. It was the period, of course, known as the Enlightenment,... | <urn:uuid:25b9f694-afff-4896-9662-9a274540b607> | 2.9375 | 832 | Nonfiction Writing | Science & Tech. | 40.448471 | 1,062 |
October 10, 2001 - Detecting An Event within A Page
October 10, 2001|
Detecting An Event within A Page
Tips: October 2001
Yehuda Shiran, Ph.D.
attachEvent()syntax is as follows:
If there is an additional event handler defined for the object the event fired on, it will be run before the function
eventHandler()is called.... | <urn:uuid:75074a06-ddb3-4a25-b5c3-3661afaf688e> | 2.546875 | 181 | Tutorial | Software Dev. | 50.250714 | 1,063 |
Need help on Arrays Urgently ???
Posted by Java_Learner (Java_Learner), 23 March 2003hi.. there. Is there any great java programmers out there who can help me on Arrays ? I am really lose in it and i am trying to create a programme using Arrays. So if anyone out there who is kind enough to help me pls reply in either t... | <urn:uuid:46a0bc8b-46aa-4dc8-8df5-8d11f2f61b43> | 3.1875 | 726 | Comment Section | Software Dev. | 61.375416 | 1,064 |
One Man's Swamp Is a Fish's Nursery
Grad student examines otoliths (fish ear bones) to protect critical areas for juvenile coral reef fish
A parade of schoolmaster snapper swims by me, their neon yellow fins directing traffic. Echoing in the background is the rhythmic crunch of striped parrotfish nibbling on coral poly... | <urn:uuid:f766ea77-a24c-4ce3-9f4a-bd3717f11525> | 3.21875 | 1,589 | Nonfiction Writing | Science & Tech. | 42.610415 | 1,065 |
The Walker circulation is made up of trade winds blowing from east to west across the tropical Pacific Ocean (blue arrow), bringing moist surface air to the west. In the western tropical Pacific, the moist air rises, forming clouds. The rising air becomes drier because most of its moisture falls to the surface as rain.... | <urn:uuid:1e7f047d-38fc-4fa3-9d29-bf59edbb7927> | 4 | 733 | Knowledge Article | Science & Tech. | 61.544089 | 1,066 |
Corophium volutator (known locally as mud shrimp) are actually not shrimp but a member of a suborder of crustaceans known as amphipods. These fine fellows inhabit the upper layers of mud in the Bay of Fundy and play a vital role in this complex ecosystem.
Corophium keeps a very low profile: so low in fact that until a ... | <urn:uuid:3b29a7d0-1ef3-4698-9891-981374a0be82> | 3.171875 | 180 | Personal Blog | Science & Tech. | 32.563333 | 1,067 |
- copy data to or from a kernel image or running system
cc [ flag… ] file… -lkvm [ library…] #include <kvm.h> ssize_t kvm_read(kvm_t *kd, uintptr_t addr, void *buf, size_t nbytes);
ssize_t kvm_write(kvm_t *kd, uintptr_t addr, void *buf, size_t nbytes);
The kvm_read() function transfers data from the kernel image specif... | <urn:uuid:292c837e-cd91-4327-99d8-a8a4aee2066c> | 3.109375 | 330 | Documentation | Software Dev. | 58.112374 | 1,068 |
This module provides mechanisms to use signal handlers in Python.
Some general rules for working with signals and their handlers:
- A handler for a particular signal, once set, remains installed until
it is explicitly reset (Python emulates the BSD style interface
regardless of the underlying implementation), with the ... | <urn:uuid:f30935e5-e086-4821-a1fb-c10f8739f085> | 2.859375 | 1,110 | Documentation | Software Dev. | 45.410261 | 1,069 |
Julie Masura is heading out into Tacoma’s Commencement Bay in search of plastic.
She’s a researcher with the Center for Urban Waters, where members of various academic and government organizations come together to study water pollution and human-environment interactions in Puget Sound. Getting down to the particulars t... | <urn:uuid:868ac2db-5985-44f5-9e8a-6e633cae1142> | 3.046875 | 921 | News Article | Science & Tech. | 49.369692 | 1,070 |
Acanthaster planci are red colored echinoderms protected by thorn-like spines. They grow to a diameter up to 40 cm across. They have 12-19 arms extending from their center. These animals do not have a head, and are pentamerically symmetrical about the axis of the mouth. Acanthaster planci have tubed feet, or branched t... | <urn:uuid:29dc0975-fb39-46aa-971f-5c3cebeb394e> | 3.0625 | 113 | Knowledge Article | Science & Tech. | 44.470158 | 1,071 |
The pavement material that cars drive on may wind up in their fuel tanks as scientists seek ways of transforming asphaltenes - the main component of asphalt - into an abundant new source of fuel, according to the cover story in the current issue of Chemical and Engineering News, ACS' weekly newsmagazine...
- Component ... | <urn:uuid:45bcbaf6-54af-4753-8919-7ef1cc149156> | 2.765625 | 191 | Content Listing | Science & Tech. | 45.624939 | 1,072 |
Trinidad Head Baseline Observatory Battered by Winter StormJanuary 26, 2006
The NOAA Trinidad Head Baseline Atmospheric Observatory located on the Northern California coastline (41.05 N, 124.15 W), and one of the five NOAA Global Baseline Atmospheric Observatories, was shut down for 3 days due to regional power outages... | <urn:uuid:5a73c201-a922-4d51-83af-bdb3c5068156> | 2.84375 | 511 | News (Org.) | Science & Tech. | 28.861783 | 1,073 |
"Earth's north magnetic pole is drifting away from North America and toward Siberia at such a clip that Alaska might lose its spectacular Northern Lights in the next 50 years, scientists said Thursday.
Despite accelerated movement over the past century, the possibility that Earth's modestly fading magnetic field will c... | <urn:uuid:ce523f79-8529-46ef-b3cd-13f41acb24f6> | 3.265625 | 159 | Personal Blog | Science & Tech. | 41.144524 | 1,074 |
can occur anywhere in the world where convective storms occur. Near mountainous
terrain, the additional uplift often increases hail occurrences. Some of the
highest frequencies of hail occur in western China and
northern India. Hail
also occurs frequently near the Alps in Europe, Andes in S.
America, and in mountainous... | <urn:uuid:1ede578d-97b4-4a66-9199-30e9a4f6c720> | 3.9375 | 519 | Knowledge Article | Science & Tech. | 52.648503 | 1,075 |
I am usually questioned by friends regarding Java IO. Questions usually revolve between byte and char conversion and what determines the codepage used. My answer to them is always the same: if you are using Streams you are dealing with bytes and if you are dealing with Readers and Writers then you are dealing with Char... | <urn:uuid:671cbf0e-378c-4b50-ab3a-f89a495b5e8f> | 2.921875 | 332 | Personal Blog | Software Dev. | 37.118718 | 1,076 |
Now installed on more than 20 million Internet domains around the world, PHP is an undisputed leader in web programming languages. Database connectivity, powerful extensions, and rich object-orientation are all reasons for its popularity, but nearly everyone would agree that, above all, PHP is one of the easiest langua... | <urn:uuid:3e8e3818-d62f-4bf8-91b7-f25a8fe19ecf> | 2.59375 | 273 | Product Page | Software Dev. | 34.472525 | 1,077 |
Creating a list/tuple/dictionary
ajw126NO at SPAMyork.ac.uk
Tue Jan 7 15:26:59 CET 2003
When the Python interpreter comes across a statement such as...
a = [1,2,3]
how does it go about creating that list?
Does it convert the code into something equivalent to
a =
(although obviously it would call the C functions direct... | <urn:uuid:1d7a0832-6a97-4d4c-b5bb-7adc13f68a4d> | 3 | 155 | Q&A Forum | Software Dev. | 67.799167 | 1,078 |
volume with calculus
find the volume of the solid whose base is the area bounded by the lines y=1-(x/2), y=(x/2)-1 and x=0 and whose cross sections perpendicular to the x axis are equilateral triangles.
do i do v=the integral of (1/2)(2x*x) dx
that seems too simple...
also, find the volume of the solid generated by rev... | <urn:uuid:af03f186-fb4b-49f1-aade-3dde5de459e0> | 2.828125 | 203 | Q&A Forum | Science & Tech. | 84.7315 | 1,079 |
ABCD is a trapezium, AB and CD are parallel sides, M is the midpoint of AD. Prove that the area of the triangle BMC is half the area of the trapezium.
I let A be the origin, then the vectors of AB, AC, and AD respectively are b, c, d. So vector AM=
Area of the trapezium=
vector CM= vector CB=
My problem is I am stuck h... | <urn:uuid:35e4dae0-51fe-4896-b7ca-0893bf7f8def> | 3.328125 | 121 | Q&A Forum | Science & Tech. | 73.948182 | 1,080 |
There's big doings down there in Corvallis, Oregon as Oregon State University begins construction on an ambitious $5 million facility to test a "hot" new nuclear technology. Although a number of new tech designs incorporating small size and passive water-cooled systems - making them meltdown-proof - have been tested (a... | <urn:uuid:ea5fcebf-207e-4d42-8fac-30ee90da00db> | 2.5625 | 279 | Personal Blog | Science & Tech. | 36.462857 | 1,081 |
Butterfly Wing Scale Digital Image Gallery
False Acraea Butterfly
The brilliant orange, red and black patterns of the false acraea butterfly mimic those of other species in order to provide protection from predators, yet, cannot protect them from man. The species ranges from the Republic of Cameroon and Gabon, east acr... | <urn:uuid:7810a680-434d-450f-a707-193cffc83249> | 3.75 | 699 | Knowledge Article | Science & Tech. | 38.587879 | 1,082 |
Recent "the sky is falling" news stories have dealt with the fall from orbit of the Mir Space Station rather than NEO impacts. The press and public are clearly interested in the risk of falling objects, but sometimes risks are perceived in ways that are quite different from the hazard as calculated numerically. The fol... | <urn:uuid:4baec056-e10b-4223-a5ec-6c66a3cfc126> | 3.125 | 704 | Nonfiction Writing | Science & Tech. | 58.301013 | 1,083 |
Some U.S. states are feeling the heat of climate change more than others, finds a new analysis of temperature increases over the past 100 years.
The state that saw the highest temperature increase was Rhode Island, followed by Massachusetts, New Jersey, Arizona and Maine.
Scientists from Climate Central, a research and... | <urn:uuid:d67c616b-7660-44c4-b54d-6ae5e6d2b575> | 3.46875 | 570 | News Article | Science & Tech. | 58.175448 | 1,084 |
The diagram illustrates the formula: 1 + 3 + 5 + ... + (2n - 1) = n² Use the diagram to show that any odd number is the difference of two squares.
In 15 years' time my age will be the square of my age 15 years ago.
Can you work out my age, and when I had other special birthdays?
Libby Jared helped to set up NRICH and t... | <urn:uuid:8533dc3d-452e-411f-ad7c-2dd100a834ea> | 2.578125 | 1,378 | Personal Blog | Science & Tech. | 63.900001 | 1,085 |
- Bodenkunde (1) (remove)
- Soil moisture fluctuations recorded in Saharan dust deposits on Lanzarote (CanaryIslands) over the last 180 ka (2010)
- Aeolian sediments trapped in volcanically dammed valleys on Lanzarote, Canary Islands, were investigated in order to reveal environmental changes over the last 180 ka. Clay... | <urn:uuid:b583fd2c-7b08-4cc8-8db1-0f88c3583cbb> | 2.828125 | 351 | Content Listing | Science & Tech. | 3.544747 | 1,086 |
Scan is a collective algorithm that performs partial reductions on data provided by each process in the communicator. Scan combines the arrays stored by each process into partial results delivered to each process. The arrays are combined in a user-defined way, specified via a delegate that will be applied elementwise t... | <urn:uuid:ee43273a-eb5a-4035-ad9d-6fde737b0523> | 2.90625 | 483 | Documentation | Software Dev. | 60.350325 | 1,087 |
"Everything flows. Everything is movement."
From the makers of Dimensions comes a great free online movie exploring dynamical systems, the butterfly effect and chaos theory by means of stunning visuals accompanied by a beautiful musical score. The dynamics of the weather, the three-body problem, Smale's horseshoe — it'... | <urn:uuid:fe1a7f3e-0a1f-41c8-990d-66aaa208957b> | 2.609375 | 355 | Personal Blog | Science & Tech. | 43.354965 | 1,088 |
August 17, 2010
Unix V7 provided a utility called
cut that reads its input a line at a time and selectively copies portions of each input line to standard output. Portions are selected either by character position or by character-delimited field.
Cut is invoked as
cut -clist [file ...] or
cut -flist [
-dchar] [file ...... | <urn:uuid:7296ef12-4a02-4d3b-816d-abc647097ae7> | 3.1875 | 257 | Tutorial | Software Dev. | 55.749858 | 1,089 |
Late last night, PerlJam posted in #parrot a small Perl 6 program which gave the wrong answer in Rakudo:
my $foo = 'fred';
my $bar = 'fred';
The correct output is obviously:
PerlJam and Infinoid both correctly diagnosed the problem as a COW problem. What's that, and why does it matter?
The Rakudo compiler turns this co... | <urn:uuid:b78e8b3a-dae7-4e78-b187-fe5fbb2e0971> | 2.65625 | 581 | Personal Blog | Software Dev. | 60.161 | 1,090 |
There’s been some interest in these before and after graphs highlighted by the blog “sunshinehours” here.
To me it looked like a data processing change at DMI (Danish Meteorological Institute) of some sorts, especially since none of the other metrics I monitor on the WUWT Sea Ice Reference page had any changes of simil... | <urn:uuid:dd78d04b-6b3c-4f86-bb6f-ed1c145ba5cd> | 2.515625 | 380 | Personal Blog | Science & Tech. | 57.84625 | 1,091 |
|Structure Illuminates Mechanism of Fungal Polyketide Cyclization|
Polyketide natural products produced by bacteria and fungi are often characterized by the presence of multiple aromatic rings that are responsible for the activity of polyketides as both beneficial antibiotic and anticancer agents and as dangerous toxic... | <urn:uuid:2ad43080-f968-4246-b7b7-278c4e19b0e3> | 2.546875 | 1,081 | Academic Writing | Science & Tech. | 29.278022 | 1,092 |
Atoms, Elements, Compounds
the time the Curies
discovered polonium and radium, identifying new chemical elements was
one of the highest goals a scientist could hope to reach. A chemical
element is a substance that
contains only one kind of atom.
If you keep dividing up such a substance, you finally get to the tiny
atom... | <urn:uuid:9d209525-3e68-4140-8c20-ac42c189e5f4> | 3.609375 | 242 | Knowledge Article | Science & Tech. | 39.400269 | 1,093 |
Keyword Results for 'supernova'
Washington, May 9 (ANI): Researchers of the Cluster of Excellence Origin and Structure of the Universe at the Technische Universitaet Muenchen (TUM), found a radioactive iron isotope in fossil remnants of iron-loving bacteria, which they trace back to a supernova in our cosmic neighborho... | <urn:uuid:22847e8e-b483-437c-9afb-0988f1668cbc> | 2.59375 | 1,527 | Content Listing | Science & Tech. | 18.81239 | 1,094 |
How to surprise a copepod: Strike kinematics reduce hydrodynamic disturbance and increase stealth of suction-feeding fish
Limnol. Oceanogr., 54(6), 2009, 2201-2212 | DOI: 10.4319/lo.2009.54.6.2201
ABSTRACT: To capture prey with suction, fish must get sufficiently close to their prey to allow the suction flow to overwhe... | <urn:uuid:31ac8f25-9f2f-4153-ad74-b854106d6db4> | 2.921875 | 349 | Academic Writing | Science & Tech. | 39.496579 | 1,095 |
Early astronomy concentrated on finding accurate positions of the stars and planets. This was due in part to the influence of astrology, but later, accurate positions came to be important for determining the physical characteristics of the stars and planets. Accurate positions for the stars was also crucial for commerc... | <urn:uuid:696f44fe-c03c-46d3-814b-19aea0a1b468> | 4.25 | 1,571 | Knowledge Article | Science & Tech. | 51.381232 | 1,096 |
Why No Explosion?Science brain teasers require understanding of the physical or biological world and the laws that govern it.
It is scientific fact that if all else is held constant, the pressure of a gas varies directly with its temperature. In other words, if you have a gas in a sealed, insulated, rigid container and... | <urn:uuid:8bbb4369-b8bc-4dee-99ef-6c1a295599ca> | 3.671875 | 675 | Personal Blog | Science & Tech. | 64.620179 | 1,097 |
Solar Scholars to lead three solar energy workshops
Bucknell Environmental Facts
- 95 percent of campus energy is produced by co-generation plant
- Greenhouse gas emissions are down 45 percent from pre-1998 level
- All campus stationery is chlorine-free and contains 100 percent post-consumer fiber content
- Environment... | <urn:uuid:7adc49e0-b0c3-4c91-8181-2b91ff9c54d3> | 2.609375 | 479 | News (Org.) | Science & Tech. | 38.143462 | 1,098 |
Changing cod distribution observed as ecosystem warms bottom to top
During the first six months of 2012, sea surface temperatures in the Northeast Shelf Large Marine Ecosystem were the highest ever recorded, according to the latest Ecosystem Advisory issued by NOAA's Northeast Fisheries Science Center (NEFSC). Above-av... | <urn:uuid:e6f80afa-749d-481c-98c4-ec30d856bd49> | 2.90625 | 1,397 | News Article | Science & Tech. | 31.455207 | 1,099 |