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Water-Logged ‘Prune’ Fingers Grip Better

By Ed Yong of Nature magazine The wrinkles that develop on wet fingers could be an adaptation to give us better grip in slippery conditions, the latest theory suggests. The hypothesis, from Mark Changizi, an evolutionary neurobiologist at 2AI Labs in Boise, Idaho, and his colleagues goes against the common belief that fingers turn prune-like simply because they absorb water. Changizi thinks that the wrinkles act like rain treads on tires

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Water-Logged ‘Prune’ Fingers Grip Better

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