“If only I could talk with them again.” It’s a common refrain for anyone who is grieving someone they love. Now, we can access technology like deadbots, or AI replicas of a lost loved one, to simulate those conversations, but at what cost? Maybe we’ve always had the capacity — within our own voices — to deepen conversations with the people we’re missing, even after they’re gone. 

GUESTS: University of Cambridge assistant professors Katarzyna Nowaczyk-Basińska and Tomasz Hollanek, writer and psycholinguist Julie Sedivy.

If you or anyone you know is considering suicide or self-harm, or is anxious, depressed, upset, or needs to talk, there are people who want to help. Text CRISIS to 741741 for free, confidential crisis counseling, or you can reach the National Suicide Prevention Lifeline by calling or texting 988.

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠

⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

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The future of quantum computing depends on getting way colder than ice cold — down to some of the coldest temperatures in the universe. The quest to build these super refrigerators takes us to nuclear bomb stockpiles, the moon, and … Party City?

Guest: Zack Savitsky, science journalist, author of Cold Rush

To watch this episode on video, find us on Netflix!

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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Music can give us goosebumps. It can make us cry. It can make us move. How?

Guests: Amelia Meath, songwriter and singer in Sylvan Esso; Elizabeth Margulis,  director of the Music Cognition Lab at Princeton University and author of On Repeat: How Music Plays the Mind

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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Is it yellow? Is it green? Or what if, as one scientist argues, “there’s no such thing as a color?”

Guest: Bevil Conway, visual artist and neuroscientist at the National Eye Institute

To watch this episode on video, find us on Netflix!

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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When things fall into bogs, they sometimes wind up being beautifully preserved. This includes bodies, sometimes dating back thousands of years. We’re still trying to understand who was buried in the bogs and why.

Guest: Anna North, journalist and author of Bog Queen

To watch this episode on video, find us on ⁠Netflix⁠!

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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Once upon a time (around 300 million years ago), Earth was home to massive dragonfly-like insects and two meter long millipede-like creatures. Why did they die off?

Guests: Ned Snelling, professor of experimental physiology at the University of Pretoria; Jon Harrison, professor of environmental physiology at Arizona State University

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠

⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠

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And please email us! ⁠⁠⁠⁠[email protected]⁠⁠⁠⁠ We read every email.

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Five-sixths of all the matter in the universe is this invisible stuff called dark matter, and scientists barely understand what it is. So what happens if we can't answer arguably the biggest mystery in the universe? One physicist decided to quit because he started asking questions that went way beyond what he initially thought science was for.

Guest: Joseph Howlett, reporter at Scientific American

To watch this episode on video, find us on ⁠Netflix⁠!

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

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It's a question that seems impossible to grapple with, but scientists won't take no for an answer. In this collaboration with Scientific American, we take on the big bang and a whole bunch of seemingly impossible questions.

Guests: Rachel Feltman, host of the Science Quickly podcast; Sarah Scoles, senior contributor at Scientific American

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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An astrophysicist uses the motion of the stars to argue that a single story has been told for 100,000 years. A cognitive anthropologist has questions.

Guests: Ray Norris, astrophysicist; Manvir Singh, cognitive anthropologist at the University of California, Davis

To watch this episode on video, find us on ⁠Netflix⁠!

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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When scientists write their own rules for life, how do they know what could go wrong before it’s too late?

This is the final episode of our new three-part series, Life from Scratch.

Guests: Kate Adamala, associate professor at the University of Minnesota; David Relman, professor at Stanford University; John Glass, leader of the JCVI Synthetic Biology Group.

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠
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Synthetic biologist Kate Adamala has been making major headlines as her lab creates cells that feed, divide, and grow — all from nonliving parts. It may sound like sci-fi, but Kate believes that these “not quite alive” cells are key to a renewable future.

This is the second episode of our new three-part series, Life from Scratch.

To watch this episode on video, find us on ⁠Netflix⁠!

Guests: ⁠Kate Adamala⁠, associate professor at the University of Minnesota

For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

And please email us! ⁠⁠⁠⁠⁠[email protected]⁠⁠⁠⁠⁠ We read every email.

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