David P. Barash

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    What You Don’t Know About Sperm

    A remarkable tale of evolution.

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    The Evolutionary Mystery of Menopause

    New studies reinforce the hypothesis that grandmothers fostered our evolutionary success.

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    The Giraffe Neck Evolved for Sexual Combat

    Discovery of a previously unknown ancient giraffe species offers a new look into sexual selection and evolution.

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    Even Worms Feel Pain

    An evolutionary biologist argues that animals could feel more pain than humans.

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    The Wild World of Threats

    Animals, including us, evolved to bluster and bluff at their peril.

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    Life Beyond Human Has to Play by the Rules

    A zoologist explains why complex life anywhere depends on natural selection.

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    Just Because It’s Natural Doesn’t Mean It’s Good

    We are well advised to not lose track of evolution’s dark side.

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    Evolution Is Really Not That Into Sex

    Plants and animals have reproduced without sex for eons. So why did nature bother?

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    Why We Stink at Tackling Climate Change

    Global threats result from human culture outrunning human biology.

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    It’s Time to Make Human-Chimp Hybrids

    The humanzee is both scientifically possible and morally defensible.