A serendipitous discovery by a University of Colorado at Boulder-led team has shown for the first time that satellite signals from the Global Positioning System are a valuable new tool for studying seismic activity.
CU-Boulder Associate Professor Kristine Larson of aerospace engineering sciences said seismic waves from a 7.9 magnitude earthquake in Alaskas Denali National Park in November 2002 were detected using Global Positioning Satellite, or GPS, receivers as far away as 2,350 mil
The apparent increase in marine biodiversity over the past 50 million to 100 million years is real and not just a false reading produced by the inconsistencies of the fossil record, says a team of paleontologists led by the University of Chicagos David Jablonski. This finding, published in the May 16 issue of the journal Science, may help scientists place the future of global biodiversity in its proper context. “If you want to understand whats going to come in the future you need
As scientists create molecular complexes to perform increasingly minute operations — such as molecular level switches or memory devices — it is critical that the association forces that hold the molecular components together be accurately understood.
But measurements of association constants are often not accurate, according to an article by Virginia Tech Ph.D. student Jason Jones and chemistry professor Harry W. Gibson, published in May 15, 2003 online issue of the Journal of the America
A progressive increase in the brightness of the planet Neptune suggests that, like Earth, the distant planet has seasons.
Observations of Neptune made during a six-year period with NASAs Hubble Space Telescope by a group of scientists from the University of Wisconsin-Madison and NASAs Jet Propulsion Laboratory (JPL) show that the planet is exhibiting a significant increase in brightness. The changes, observed mostly in the planets southern hemisphere, show a distinc
90 % of all large fish including tuna, marlin, swordfish, sharks, cod and halibut are gone – leading scientists say need to attempt restoration on a global scale is urgent
The cover story of the May 15th issue of the international journal Nature reveals that we have only 10% of all large fish– both open ocean species including tuna, swordfish, marlin and the large groundfish such as cod, halibut, skates and flounder– left in the sea. Most strikingly, the study shows that industrial
Detecting the presence of hazardous lead paint could become as simple as pressing a piece of paper against a wall and noting a color change.
Scientists at the University of Illinois at Urbana-Champaign have developed a highly sensitive and selective biosensor that functions in much the same fashion as a strip of litmus paper. The researchers report their discovery in a paper that has been accepted for publication in the Journal of the American Chemical Society, and posted on its Web