United States Geological Survey

Genetics provides new clues about lionfish invasion

New genetic data suggest the red lionfish invasion in the Caribbean Basin and Western Atlantic started in multiple locations, not just one as previously believed, according to a new study led by the U.S. Geological Survey.

dateApr 23, 2015 in Ecology
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Scientists say polar bears won't thrive on land food

A group of researchers say polar bears forced off melting sea ice will not find enough food to replace their current diet of fat-laden marine mammals such as seals, a conclusion that contradicts studies indicating ...

dateApr 01, 2015 in Ecology
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