Mothers of invention

John Whitfield

Nature, 1999, vol. 398, issue 6723, 111-111

Abstract: To have new ideas, it helps to be small, hungry and female —at least, it does if you're a guppy. These are the distinguishing characteristics of the fish that were most likely to negotiate mazes to find a food source. This seems to be because they are the ones that need the food most. But, as well as being driven to cleverness, some guppies seem just to be better problem-solvers than others.

Date: 1999
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DOI: 10.1038/18126

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