Just for fun, let’s pretend we’re emperor penguins.
We’re hanging out on the Antarctic ice, looking cute, but freezing our feathers off. So what do we do? Well, humans would instinctively crowd together, so we decide to try that.
And pretty soon, we’re at the center of a massive penguin huddle, feeling much warmer.
But after a bit our neighbors wiggle away, with new penguins taking their places. This cycle repeats until our original buddies end up on the outer ring of the huddle and penguins from the perimeter get some time in the middle.1
We can’t believe it—they’re taking turns getting warm! Read more