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Avalanches, a mountain menace

Avalanches such as the one that smashed into a hotel in central Italy on Wednesday are complex phenomena triggered by a combination of local factors.

date14 hours ago in Environment
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Study tracks 'memory' of soil moisture

The top 2 inches of topsoil on all of Earth's landmasses contains an infinitesimal fraction of the planet's water—less than one-thousandth of a percent. Yet because of its position at the interface between the land and ...

dateJan 16, 2017 in Earth Sciences
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