United States Geological Survey

Disappearing ducks?

The loss of wetlands in the prairie pothole region of central North America due to a warmer and drier climate will negatively affect millions of waterfowl that depend on the region for food, shelter and raising young, according ...

Feb 01, 2010
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What science says about beach sand and stomach aches

By washing your hands after digging in beach sand, you could greatly reduce your risk of ingesting bacteria that could make you sick. In new research, scientists have determined that, although beach sand is a potential source ...

Aug 11, 2009
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Estrogen linked to lowered immunity in fish

Exposure to estrogen reduces production of immune-related proteins in fish. This suggests that certain compounds, known as endocrine disruptors, may make fish more susceptible to disease.

Jun 03, 2009
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