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Science Daily
Earth's Crust Missing In Mid-Atlantic (View Original Story)
Source: Posted: 03-02-2007 at 12:00:37
| Scientists have discovered a large area thousands of square kilometres in extent in the middle of the Atlantic where the Earth's crust appears to be missing. Instead, the mantle -- the deep interior of the Earth, normally covered by crust many kilometres thick -- is exposed on the seafloor, 3000m below the surface. |
Improved Predictions Of Warming-induced Extinctions Sought; Species Persist More Than Models ... (View Original Story)
Source: Posted: 03-02-2007 at 12:00:37
| A team of researchers notes that fewer species went extinct during the past 2.5 million years than many ecological models would predict. Unexpected persistence of some species in adverse conditions could be the explanation of this "Quaternary conundrum." |
Yellowstone's Quiet Power: A Volcano Forcefully Shapes The Land, Even Between Eruptions (View Original Story)
Source: Posted: 03-02-2007 at 12:00:37
| A 17-year University of Utah study of ground movements shows that the power of the huge volcanic hotspot beneath Yellowstone National Park is much greater than previously thought when the giant volcano is slumbering. Findings show gradual ground movements overpower quake movements at Yellowstone, and the hotspot makes the Teton fault behave unexpectedly. |
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