Rock Slime Harbors Endocrine Disrupters

Read the full story in Chemical & Engineering News.

Pollutants that act like hormones flush into lakes and streams worldwide from farm runoff and treated sewage. Scientists worry about these compounds’ presence in aquatic food webs because studies have connected them to feminized fish. Now, researchers report that endocrine-disrupting chemicals could accumulate in the brownish-green slimes called biofilms that coat stream and lake bottoms (Environ. Sci. Technol., DOI: 10.1021/es2000134). Their buildup there could make them a convenient meal for aquatic wildlife.

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