• sexual selection

    Why Nature Prefers a Small Man to Mate with a Big Woman

    If you watch enough TV, you get the idea that the ideal mating combination is a skinny little woman and a burly man. But a new evolutionary study published in American Naturalist shows that's not what nature intended. In fact, the humble New Zealand weta (a relative of the cricket) demonstrates that evolution often pushes in the other direction: Only the smallest and most nimble weta males get to score with the sexy weta ladies who are twice their size. How could tiny males impress the weta females? More »
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