Fingers soaked in water? The team at the Institute of Neuroscience at the University of Newcastle, UK, pointed out that human fingers and toes will wrinkle after soaking, which is caused by evolution. This can make it easier for people to grab objects in the water. It has been thought that the fingers' toes will wrinkle after soaking in the water for a period of time because the skin absorbs water, but studies have found that this is a response of the nervous system. The team at the Neuroscience Institute of Newcastle University compared the difference between wrinkled fingers and wet objects in general.
Test subjects on both sides must use marbles with their thumb and index finger, and plumbs for fishing, and place them in another container. It was found that subjects who had a hand warm water for 30 minutes moved objects faster than those who dries. The research team said that their research suggests that the wrinkling of human finger toes after soaking may be evolved to adapt to the environment to increase the activity on the wet surface, which is very helpful for people to collect food in moist vegetation or rivers.
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