From NPR News, this is ALL THINGS CONSIDERED. I'm Michele Norris. And if you've ever felt like you're getting more predictable as you get older, this story is for you. Professor Robert Sapolsky at ...

The ages-long debate about free will has a new champion in Stanford professor Robert Sapolsky and surprising new connections to our politics, writes Ryan Sanders. Michael Hogue You didn’t choose to ...

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When it comes to stress for baboons and people it's all about hierarchy. Sept. 22, 2008 — -- Baboons are aggressive, mean-spirited and wild. And when it comes to stress, apparently they are just ...