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Episode 2834 min

Why Do Bears Hibernate?

For the next six months, she will not eat, drink, urinate, or defecate — and in the middle of it, in a dark den under the snow, she will give birth. Tonight: the bear's winter, start to finish. The autumn feast that funds it, twenty hours a day of eating. The den, dug one ton of earth at a time. A heart slowed to nine beats a minute. And then, the slow spring waking.

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Take your time. The story starts when you’re ready.

Settle in. There’s nothing you need to remember.

Episode artwork for Why Do Bears Hibernate?

A note before you listen

Welcome back, my sleepy friends. Get comfortable, let your breathing slow, and follow along for as long as you like. If you drift off somewhere along the way, the story will keep you company.

Whenever you're ready

Something to wonder about.
Nothing to keep you up.

Find a comfortable corner. Let the day get a little quieter.
We’ll take it from here.