 Insect predation sheds light on food web recovery after the dinosaur extinction August 24, 2006 | User rating: 3.6 / 5 after 17 vote(s)
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The recovery of biodiversity after the end-Cretaceous mass extinction was much more chaotic than previously thought, according to paleontologists. New fossil evidence shows that at certain times and places, ... | |
Sulfur signature changes thoughts on atmospheric oxygen August 23, 2006 | User rating: 4.7 / 5 after 12 vote(s)
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Ancient sediments that once resided on a lake bed and the ocean floor show sulfur isotope ratios unlike those found in other samples from the same time, calling into question accepted ideas about when the Earth’s atmosphere ... | |
Santorini Eruption Much Larger than Originally Believed August 23, 2006 | User rating: 4.4 / 5 after 44 vote(s)
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An international team of scientists has found that the second largest volcanic eruption in human history, the massive Bronze Age eruption of Thera in Greece, was much larger and more widespread than previously believed. | |
 Three Continents Collide to Create Australia August 16, 2006 | User rating: 4.4 / 5 after 35 vote(s)
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A PhD student in the University of Adelaide’s School of Earth and Environmental Sciences has found evidence of a collision between northern and central Australia 1.64 billion years ago. Kate Selway says that ... | |
 Overall Antarctic snowfall hasn't changed in 50 years August 10, 2006 | User rating: 4.4 / 5 after 14 vote(s)
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An international effort to determine the variability of recent snowfall over Antarctica shows that there has been no real increase in precipitation over the southernmost continent in the last half-century. ... | |
Study breaks ice on ancient arctic thaw August 09, 2006 | User rating: 3.9 / 5 after 28 vote(s)
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A new analysis of ocean-floor sediments collected near the North Pole finds that the Arctic was extremely warm, unusually wet and ice-free the last time massive amounts of greenhouse gases were released into the Earth's atmosphere ... | |
 Satellite data reveals gravity change from Sumatran earthquake August 03, 2006 | User rating: 4.5 / 5 after 31 vote(s)
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For the first time, scientists have been able to use satellite data to detect the changes in the earth's surface caused by a massive earthquake. The discovery, reported in the latest issue of the journal Science, ... | |
Ice sheets drive atmospheric carbon dioxide levels, inverting previous ice-age theory July 24, 2006 | User rating: 4.5 / 5 after 26 vote(s)
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In the early 20th century, Milutin Milankovitch, a leading astronomer and climatologist of the time, proposed that the Earth's ice-age cycles could be predicted because they correspond directly with routine changes in the ... | |
Scientists Link Wind Shift, Medieval Mega-drought in Sandhills July 21, 2006 | User rating: 4.7 / 5 after 18 vote(s)
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Today, Nebraska’s Sandhills, a region of gently rolling sand dunes blanketed with prairie grasses and wetlands that cover a quarter of the state, provide ideal habitat for wildlife and livestock. During medieval times 800 ... | |
Gas escaping from ocean floor may drive global warming July 19, 2006 | User rating: 4.8 / 5 after 24 vote(s)
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Gas escaping from the ocean floor may provide some answers to understanding historical global warming cycles and provide information on current climate changes, according to a team of scientists at the University of California, ... | |
 It's 2025. Where Do Most People Live? July 11, 2006 | User rating: 3.7 / 5 after 68 vote(s)
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Researchers at the Center for Climate Systems Research (CCSR), a part of The Earth Institute, have developed a high-resolution map of projected population change for the year 2025. | |
 First Compilation of Tropical Ice Cores Shows Abrupt Global Climate Shift June 27, 2006 | User rating: 4.6 / 5 after 56 vote(s)
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For the first time, glaciologists have combined and compared sets of ancient climate records trapped in ice cores from the South American Andes and the Asian Himalayas to paint a picture of how climate has ... | |
 Tracking Earth's wobbles down to the size of a cell phone June 26, 2006 | User rating: 3.7 / 5 after 24 vote(s)
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New technologies are enabling scientists to determine precisely the extent and causes of Earth's short-term wobbling. Like a spinning top, Earth wobbles as it rotates on its axis. In fact, it displays many ... | |
 Scientist finds intense lightning activity around a hurricane's eye June 24, 2006 | User rating: 4.5 / 5 after 20 vote(s)
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When you think of lightning, you think of a thunderstorm. Many people also assume that hurricanes have a lot of lightning because they are made up of hundreds of thunderstorms. | |
 Global atmospheric carbon level may depend primarily on southernmost ocean June 23, 2006 | User rating: 4.6 / 5 after 28 vote(s)
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Circulation in the waters near the Antarctic coast may be one of the planet's critical means of regulating levels of carbon dioxide in the Earth's atmosphere, according to Princeton researchers. | |
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