Exposure to bisphenol A (BPA), a chemical used in the manufacture of polycarbonate and other plastics, changes the appearance and behavior of river fish enough to encourage inter-species breeding, say the authors of a new study published online this week, that warns of the potential threat to biodiversity from blurring of inter-species boundaries. BPA is an organic compound with estrogen-like properties that can disrupt hormones in the body: it is described as an endocrine-disrupting chemical or EDC...
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