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 Allie Wilkinson. Got a minute?
该句暂无译文！
2 .In the harsh winters of Antarctica, emperor penguins form tight huddles to protect themselves from freezing temperatures and roaring winds.
该句暂无译文！
3 .These huddles allow the penguins to conserve heat and energy.
该句暂无译文！
4 .But they make moving a complex group effort.
该句暂无译文！
5 .Researchers watching video of penguin huddles saw movement in wave-like patterns.
该句暂无译文！
6 .To study the wave propagation, they employed a mathematical model that applies to flocks of birds, schools of fish and even traffic jams.
该句暂无译文！
7 .It turns out that the way tightly grouped penguins move is a lot like cars in stop-and-go traffic.
该句暂无译文！
8 .Each penguin needs to go only about an inch in any direction for its neighbors to react.
该句暂无译文！
9 .This action helps the penguins maintain an optimal distance from each other,
该句暂无译文！
10 .so that they can keep the huddle as dense and therefore warm as possible.
该句暂无译文！
11 .The study appears in the New Journal of Physics.
该句暂无译文！
12 .With the exception of individuals on the perimeter, penguins in a huddle are completely surrounded.
该句暂无译文！
13 .But instead of the penguin equivalent of road rage, perhaps they settle their tiny turf differences with an icy stare.
该句暂无译文！
14 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Allie Wilkinson.
该句暂无译文！