The Chronicle Interview

Why Do We Ask ‘Why?’ A Scientist Tries to Pin Down an Elusive Human Trait

July 24, 2017 Premium content for subscribers. Subscribe Today

One time Charles Darwin put a beetle in his mouth. He was tearing away the bark of a tree, as young biologists are wont to do, when he spotted a couple of beetles. He grabbed one with each hand. Then he saw a third beetle and so, naturally, he put...

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