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Submission + - Swedish chickens challenge evolutionary theory

paulraps writes: ...or at least the bit where Darwin says that behaviour cannot be inherited. Researchers from Sweden and Norway have found that offspring of domestic hens that were exposed to high levels of stress displayed similar behavioral anomalies as their parents — despite growing up in a stress free environment. Of course, this doesn't mean evolution is out the window, but it's a major new twist in the tale.

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