United States Geological Survey

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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Acid soils in Slovakia tell somber tale

Increasing levels of nitrogen deposition associated with industry and agriculture can drive soils toward a toxic level of acidification, reducing plant growth and polluting surface waters, according to a new study published ...

Nov 17, 2008
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Scientists discover a new Pacific iguana

A new iguana has been discovered in the central regions of Fiji. The colorful new species, named Brachylophus bulabula, joins only two other living Pacific iguana species, one of which is critically endangered. The scient ...

Sep 18, 2008
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