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)

Your creepy, crawly roommates

Your creepy, crawly roommates

Our houses are homes to hidden worlds of bugs. And the more ecologists explore those worlds, the more they realize that some of our tiny roommates actually have a lot to teach us.  For more, go to htt...

25 Jan 202326min

Henrietta Leavitt and the end of the universe

Henrietta Leavitt and the end of the universe

In the early 1900s, Henrietta Leavitt made one of the most important discoveries in the history of astronomy: a yardstick to measure distances to faraway stars. Using this tool, scientists eventually ...

18 Jan 202331min

Plants with eyes?

Plants with eyes?

In the temperate rainforests of Chile, there is a vine that can shapeshift to copy the look of other plants. But how? Can it... see them? Or is something weirder happening? For more, go to http://vox....

11 Jan 202327min

Unexplainable or Not: Bikes, planes, ice skates

Unexplainable or Not: Bikes, planes, ice skates

Our game show is back! This week, Avery Trufelman, host of the Articles of Interest podcast, tries to guess which of these three mysteries of movement have been solved and which are still unexplainabl...

4 Jan 202329min

Your gut's feelings

Your gut's feelings

How we feel emotionally may be influenced by unseen troves of microbial life that live inside us. Is it possible to harness this gut power? For more, go to http://vox.com/unexplainable It’s a great p...

21 Des 202228min

Nuclear fusion breaks through

Nuclear fusion breaks through

Back in January, we spoke to a scientist at the National Ignition Facility about how close they were to achieving what’s been called “one of the most impressive scientific feats of the 21st century.” ...

14 Des 202229min

Basic instinct

Basic instinct

How do animals know how to do things like spin a web or build a dam? A neuroscientist argues it's not “instinct.” Something bigger is going on. For more, go to http://vox.com/unexplainable It’s a grea...

7 Des 202228min

Why we cry

Why we cry

Humans seem to be the only animals that cry from emotion. What makes our tears so special? For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about ...

30 Nov 202223min

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