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Geologist rules out possible explanation for natural wonder.

Inside Science Television

DNA-based technique detects bad bacteria in freshwater beaches

Allison Jarrell, Contributor

Climate-driven changes in ocean salinity over last 50 years could bring floods and droughts.

Joel Shurkin, Contributor

A new review suggests that Himalayan glaciers overall are melting no faster than other world glaciers.

Ben P. Stein, Contributor

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