Becoming Human

  1. Humans

    The last common ancestor of humans and chimps probably wasn’t much like either

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  2. Killer whales, grandmas and what men want: Evolutionary biologists consider menopause

    Menopause seems like a cruel prank that Mother Nature plays on women. First come the hot flashes, night sweats, vaginal dryness, irregular periods, irritability and weight gain. Then menstruation stops and fertility ends. Why, many women ask, must they suffer through this? Evolutionary biologists, it turns out, ask themselves more or less the same question. […]

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  3. Anthropology

    Human ancestors scrambled to their feet, a new explanation for bipedalism asserts

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  4. Humans

    Eruption early in human prehistory may have been more whimper than bang

    If Hollywood’s right, the apocalypse will be brutal.