A new survey led by the US Geological Survey (USGS) has found intersex fish, or fish that display traits of both genders, in at least three Pennsylvania River Basins. According to the USGS, "male" specimens recovered from the Susquehanna, Delaware, and Ohio river basins have been discovered to contain immature eggs in their testes. Experts are saying that the trait may have been caused by exposure to man-made chemicals that include hormone-mimicking compounds. “Chemical compounds associated with estrogenic...
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