Stories indexed under: Geoscience
Total: 7
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Secrets of Wisconsin meteorite revealed
Feb. 19, 2013
As Russian scientists scramble to collect and analyze the remains of the historic meteorite that injured an estimated 1,200 people in Chelyabinsk on Feb. 15, scientists in Wisconsin are set to publish their analysis of a smaller meteorite that struck southwest Wisconsin on April 14, 2010.
- In evolution, fossils reveal, ‘Court Jester’ gets last laugh Jan. 9, 2013 The dominant factors in the rise and fall of the diversity of life on Earth has been a point of debate for scientists nearly as long as they have studied the processes of evolution.
- Evidence for a geologic trigger of the Cambrian explosion April 18, 2012 The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all animals on Earth today.
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Mother of pearl tells a tale of ocean temperature, depth
Feb. 16, 2012
Nacre -- or mother of pearl, scientists and artisans know, is one of nature's amazing utilitarian materials.
- Ancient environment found to drive marine biodiversity Nov. 25, 2011 Much of our knowledge about past life has come from the fossil record — but how accurately does that reflect the true history and drivers of biodiversity on Earth?
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Research explores virus movement in Madison groundwater
Oct. 9, 2011
According to the conventional wisdom, drinking water taken from a deep aquifer protected by a semi-permeable layer of rock should be protected from many contaminants, including viruses.
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Sea level rise less from Greenland, more from Antarctica, than expected during last interglacial
July 28, 2011
During the last prolonged warm spell on Earth, the oceans were at least four meters - and possibly as much as 6.5 meters, or about 20 feet - higher than they are now.