NOVA

This Canadian Cave Has Been Frozen Since the Last Ice Age

Clip: Season 47 Episode 1 | 3m 11s Video has closed captioning.

This cave in Canada remains frozen every summer—and it's been frozen since the last Ice Age 10,000 years ago. What can this tell us about Earth's future climate?

Aired: 02/05/20

Rating: NR

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Parenting is full of obstacles that can be hard to navigate—even without a toddler yelling at your face. There’s no instruction manual, which means discerning fact from fiction and reasonable from ridiculous can be maddening. That’s where Parentalogic comes in, a digital series from NOVA and PBS Digital Studios.

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