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![]() Radioactive potassium, common enough on Earth to make potassium-rich bananas one of the "hottest" foods around, appears also to be a substantial source of heat in the Earth's core, according to recent experiments by University of California, Berkeley, geophysicists. FRINGE Scientists Use Radar Vision To See The Earth Move ![]() Tiny ground movements that occur too gradually to be seen by the human eye can nevertheless be detected by ESA satellites looking down to Earth from 800 km away. |
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Forecasters Can Count Lightning Strikes to Estimate Rainfall![]() When it comes to predicting rainfall during convective thunderstorms, lightning may be more accurate than radar in determining precipitation intensity and location, say University of Arizona atmospheric scientists. Global Wildfires Did Not Kill The Dinosaurs ![]() New research has revealed that thermal radiation, resulting from the impact of an asteroid colliding with the United States 65 million years ago, was not responsible for the extinction of dinosaurs and other land organisms. NASA Scientists Discover Spring Thaw Makes A Difference ![]() Using a suite of microwave remote sensing instruments aboard satellites, scientists at NASA's Jet Propulsion Laboratory (JPL), Pasadena, Calif., and the University of Montana, Missoula, have observed a recent trend of earlier thawing across the northern high latitudes. Scientists "Reconstruct" Earth's Climate Over Past Millennia ![]() Using the perspective of the last few centuries and millennia, speakers in a press conference at the Fall Meeting of the American Geophysical Union in San Francisco will discuss the latest research involving climate reconstructions and different climate models. Mechanism To Target Specific Chemical Contaminants Isoloted ![]() New insight into the molecular-level interactions between bacteria and minerals may some day help scientists design bacteria with the express purpose of cleaning up toxic waste. Greenland Glacier, Once Stable, Now Shrinking Dramatically ![]() One of the world's fastest-moving glaciers is speeding up and retreating rapidly, a recent study has revealed. NCAR Model Shows Decrease In Global Dust By 2100 ![]() One of the first global-scale simulations of dust and climate from preindustrial times to the year 2100 projects a worldwide decrease in airborne dust of 20�63% by the end of this century. |
Plate Boundary Observatory Will Map Seismic Processes Across North America![]() To some, the $100 million, five-year effort to sprinkle seismic sensors in Alaska and throughout the western United States is known as the Plate Boundary Observatory (PBO). But to geophysicist Paul Segall it is something more. The Ultimate In "Full Body" Scan Goes Deep Inside Earth ![]() Like doctors taking a sonogram of a human body, Princeton geoscientists have captured images of the interior of the Earth and revealed structures that help explain how the planet changes and ages. The Caucasus Glaciers In The Past, Present And Future ![]() Hydrometeorologists have counted that within the last century the area, volume and length of the Big Caucasus glaciers decreased steadily. The process continues now and will go on in the future. Along with that, the quantity of glaciers grows. Seismic Monitors Detect Physical Changes Deep Within Faults ![]() Seismologists have long known that the buildup of forces along fault zones cause the physical properties of rock and sediments to change deep inside the Earth, at the level where earthquakes occur. Based upon new findings, researchers believe they may be able to design active seismic monitoring systems that continually monitor these subtle changes, looking for telltale signs of an impending earthquake. Students Get Insider's View Of Earth ![]() Blue, red and white waves dance inside a ball-shaped structure on a computer screen, colliding, careening and stretching in peculiar ways. This, explained University of Michigan geophysicist Peter van Keken, is what happens inside Earth when an earthquake occurs. Cat Scan-Like Study Of Earthquake Zone Sets Stage For Drilling Project ![]() In a first of its kind study U.S. Geological Survey (USGS) and Duke University seismologists have used tiny "microearthquakes" along a section of California's notorious San Andreas Fault to create unique images of the contorted geology scientists will face as they continue drilling deeper into the fault zone to construct a major earthquake "observatory." The research will be published in the Friday, Dec. 5, 2003, issue of the research journal Science. |
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