‘Toxic stew’ of chemicals causing male fish to carry eggs in testes

Guardian: More than 80% of the male bass fish in Washington's major river are now exhibiting female traits such as egg production because of a "toxic stew" of pollutants, scientists and campaigners reported yesterday. Intersex fish probably result from drugs, such as the contraceptive pill, and other chemicals being flushed into the water and have been found right across the US. The Potomac Conservancy, which focuses on Washington DC's river, called for new research to determine what was ......

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