NICHOLAS D. KRISTOF
May 4, 2012
Scientists are observing with increasing alarm that some very common hormone-mimicking chemicals can have grotesque effects.
A widely used herbicide acts as a female hormone and feminizes male animals in the wild. Thus male frogs can have female organs, and some male fish actually produce eggs. In a Florida lake contaminated by these chemicals, male alligators have tiny penises.
These days there is also growing evidence linking [...]