Archive: 2/12/2008

Avalanches -- triggered from the valley

Everybody knows that skiers swishing down steep slopes can cause extensive slab avalanches. But there is a less well known phenomenon: A person skiing a gentle slope in the valley triggers a slab avalanche on a steeper slope, ...

dateDec 02, 2008 in General Physics
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Ecological impact of African cities

African cities are growing faster than anywhere else in the world. This is having a major impact, but few ecologists are studying the urban environment and effect of cities on rural areas. One of the most important ecological ...

dateDec 02, 2008 in Environment
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Ice beetles impacted by climate change

In the summer of 1968, Dave Kavanaugh set off on a hike that would change the course of his life. As a second-year medical student at the University of Colorado, he had joined a climbing club with a few members of the biophysics ...

dateDec 02, 2008 in
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Secreted protein sends signal that fat is on the way

After you eat a burger and fries or other fat-filled meal, a protein produced by the liver may send a signal that fat is on the way, suggests a report in the December issue of the journal Cell Metabolism, a Cell Press publication.

dateDec 02, 2008 in
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