It smells fishy: Copper prevents fish from avoiding danger

[unable to retrieve full-text content]Fish fail to detect danger in copper-polluted water. A new study shows that fish cannot smell a danger odor signal emitted by other fish in waters contaminated with copper.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_environment/~3/Psr6b3UObRo/130705101837.htm

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