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E.g., 12/13/2017
E.g., 12/13/2017
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  • Heliconius butterflies
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  • Essay

    Defining ‘species’ is a fuzzy art

    The funniest thing I’ve ever said to any botanist was, “What is a species?” Well, it certainly got the most spontaneous laugh. I don’t think Barbara Ertter, who doesn’t remember the long-ago moment, was being mean. Her laugh was more of a “where do I even start” response to an almost impossible question.

    At first glance, “species” is a basic vocabulary word schoolchildren can ace on a...

    11/01/2017 - 09:00 Evolution, Conservation