Stories indexed under: Geoscience
Total: 5
- 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.