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    Why Are You So Smart? Thank Mom & Your Difficult Birth

      Looking around our planet today, it’s hard not to be struck by humanity’s uniqueness. We are the only species around that writes books, runs experiments, and builds skyscrapers. Our intelligence must have also been useful when we were evolving—presumably it helped us to be better hunters and avoid being hunted ourselves, for instance. Perhaps […]

  • hand_evolution_052013

    Are Humans the Greatest Things Created by the Human Hand?

    What a waste are two thumbs on the space bar. There they sit, nearly flaccid, punctuating the end of each word, awaiting the call to crack stone or to use sharp flakes to incise wood. It is easy to think of other traits as making us human. We talk, use metaphors, empathize, follow fashions, laugh, play […]