Ice Sheet Time Machine
Unexplainable27 Aug 2025

Ice Sheet Time Machine

The US military carved a tiny city into the Greenland ice sheet. What they found, and lost, and found again, and what it tells us about climate change. Guests: Paul Bierman, geoscientist at the University of Vermont and author of When The Ice Is Gone; Richard Alley, geoscientist at the Pennsylvania State University For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ And please email us! ⁠⁠⁠⁠unexplainable@vox.com⁠⁠⁠⁠ We read every email. Support Unexplainable (and get ad-free episodes) by becoming a Vox Member today: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices

Episoder(274)

Vitamin X

Vitamin X

Millions of Americans take dietary supplements — everything from vitamins and minerals to weight loss pills and probiotics. But because supplements are loosely regulated in the US, their makers don't ...

13 Jul 202234min

Lost Worlds: What killed Venus?

Lost Worlds: What killed Venus?

Venus is the hottest, scariest planet in the solar system, but billions of years ago it may have been a lot like Earth, complete with an ocean of water. So, how did Venus go to hell? And could Earth b...

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Lost Worlds: Life on Mars?

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Lost Worlds: Why do we have a moon?

Lost Worlds: Why do we have a moon?

In all our searching of the universe, we’ve never seen another moon like ours. It's big, it's weird, it's played a huge role in shaping our planet. But how did we get it? Every possible story points t...

15 Jun 202226min

Lost Worlds: Aliens from Earth?

Lost Worlds: Aliens from Earth?

Was there a technologically advanced species living on Earth long before humans? And if one had existed, how would we know? This is the first episode of our new four-part series, Lost Worlds. For more...

8 Jun 202226min

Dropping like flies

Dropping like flies

Insect populations are shrinking all over the world, and entomologists are buzzing with questions: Why is this happening? How quickly? And, most concerningly, what does it mean for food supplies or ev...

25 Mai 202226min

Is telepathy real?

Is telepathy real?

A groundbreaking study claims to have found a way for a fully paralyzed person to communicate entirely via thought. Today, Explained breaks down the science and asks: Is it too good to be true? For m...

18 Mai 202225min

Why do we dream?

Why do we dream?

Dreams are weird, but can they be a scientific tool? Can they teach us anything about humanity? About ourselves? For more, go to http://vox.com/unexplainable It’s a great place to view show transcrip...

11 Mai 202223min

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