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The system works well, and millions rely on it every day, but what tells the GPS satellites where they are in the first place? "For GPS to work, the orbital position, or ephemeris, of the...
Information Technology |This happens during Saturn's equinox, when the sun is directly over Saturn's equator. At this time, the rings, which also orbit directly over the planet's equator, appear edge-on to the...
Physics and Astronomy |A study published in the October issue of Nature Genetics demonstrates that loss of the tumor-suppressor protein p53, coupled with elimination of the DNA-maintenance protein ATR, severely disrupts tis...
Studies and Analyses |"One of the very fundamental issues for understanding an earthquake is to know how the rupture is distributed on the fault plane, which is directly related to the amount of ground shaking and the...
Information Technology |The results could lead to a new high tech medical tool that could provide a fast diagnosis for some of the most difficult gastrointestinal illnesses and metabolic diseases.Fermentation of undi...
Health and Medicine |The goal of the six-year project is to measure the spectra of 1.4 million galaxies and 160,000 quasars, extremely distant objects that shine more brightly than entire galaxies. The previous sk...
Physics and Astronomy |A part of the Sloan Digital Sky Survey III (SDSS-III), BOSS achieved "first light" on the night of September 14-15, when it acquired data with an upgraded spectrographic system across the e...
Physics and Astronomy |"Making a three-dimensional map is essential to understanding why the universe is expanding at an ever-accelerating rate," said UA astronomy professor Daniel Eisenstein, director of the Sloa...
Physics and Astronomy |Compared to fine-grain mine tailings, produced in ore treatment by flotation and other techniques, waste rock is just displaced material comprising large size particles and deposited in waste rock pil...
Ecology, The Environment and Conservation |An international team of scientists from the Czech Republic, Germany and Japan have developed a new method for improving the properties of enzymes.The method has potential for wide application...
Life Sciences |"Measuring the curvature of space caused by gravity is one of the most sensitive ways to learn how Einstein's theory of General Relativity relates to quantum physics.Uniting gravity ...
Physics and Astronomy |Technique may accelerate drug discovery for cancer, other diseases Flasks, beakers and hot plates may soon be a thing of the past in chemistry labs. Instead of handling a few experiments on a ...
Life Sciences |In an article to be published in the July 24 issue of the journal Science, researchers provide a detailed analysis of how a jewel beetle (Chrysina gloriosa) creates the striking colors using a unique ...
Physics and Astronomy |Research suggests that some of the drugs classified as angiotensin-converting enzyme (ACE) inhibitors, specifically those types of ACE inhibitors that affect the brain by crossing the blood-brain barr...
Health and Medicine |Two recently published papers by a University of Oregon biophysicist and colleagues suggest that putting lipids and other cell membrane components on manufactured surfaces could lead to new classes of...
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