原文已被隐藏，你可用 快捷键 - 或点击 显示原文 按钮来查看原文
第1段
1 .This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
该句暂无译文！
2 .After a long bath, your fingers and toes come out all wrinkly.
该句暂无译文！
3 .You may have wondered why your skin would go and do such a thing.
该句暂无译文！
4 .Now a study shows that puckered digits give us a surer hold on objects that are slippery when wet.
该句暂无译文！
5 .This gripping discovery appears in the Royal Society journal Biology Letters.
该句暂无译文！
6 .It might seem like magic, or maybe osmosis, that sets your fingertips rippling after being submerged for awhile.
该句暂无译文！
7 .But it's actually an active process that's controlled by the same part of the nervous system that regulates your heartbeat, breathing and even sweat.
该句暂无译文！
8 .So, underwater wrinkling is something your body does on purpose.
该句暂无译文！
9 .To explore the potential advantages of waterlogged fingertips,
该句暂无译文！
10 .researchers asked volunteers to move a bunch of marbles from one bucket of water to another.
该句暂无译文！
11 .Sometimes their fingers were wrinkled, sometimes they were smooth.
该句暂无译文！
12 .The results: subjects were more nimble with the wet marbles when their fingers were wrinkled.
该句暂无译文！
13 .Could be that this mechanism gave our ancestors a leg-up, or hand-up,
该句暂无译文！
14 .when it came to grabbing wet fruit or dashing through the rain.
该句暂无译文！
15 .Now science has shown that wrinkled fingers also help keep us from losing our marbles.
该句暂无译文！
16 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Karen Hopkin.
该句暂无译文！