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Bird Brain? Thanks for the Compliment

Calling someone a "bird brain" used to be an insult. Not anymore. A study published online Tuesday in the Proceedings of the National Academy of Sciences found that birds have more densely packed neurons in their brains than other animals, contributing to cognitive ability on par with that of primates. "For a long time, having a ‘bird brain’ was considered to be a bad thing. Now it turns out that it should be a compliment," said the study's senior author, Suzana...

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