Are we sure about fluoride?
Unexplainable21 Mai 2025

Are we sure about fluoride?

Florida just became the second state to ban fluoride from its water system, which has made some public health experts pretty angry. Just how risky is fluoride really, and why is it so hard for us to get on the same page? Guest: Emily Oster, professor of economics at Brown University and CEO of ParentData 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 Help us plan for the future of Unexplainable by filling out a brief survey: ⁠⁠⁠voxmedia.com/survey⁠⁠⁠. Thank you! Learn more about your ad choices. Visit podcastchoices.com/adchoices

Episoder(278)

Dark matter music

Dark matter music

Pioneering musicians Beatie Wolfe and Brian Eno released their latest album Liminal by broadcasting it from a 50-foot microwave antenna. Noam talks to Beatie about why “dark matter music” was the perf...

29 Apr 33min

I glow, therefore I am

I glow, therefore I am

Today on the show: a double feature — two mysteries in one episode. First, it seems like all living things emit a faint glow that disappears when they die. Then, is the International Space Station ......

27 Apr 27min

Is everything inflammation?

Is everything inflammation?

To hear some people tell it — especially people on TikTok — inflammation is the root of all disease. It's... not that simple. But inflammation does have a lot to teach us about why modern life can mak...

22 Apr 32min

A show about nothing

A show about nothing

A few months ago, we put out an episode about what silence sounds like, and it caught the attention of Rob Rosenthal, who hosts a podcast called Sound School about the craft of audio storytelling. So ...

20 Apr 27min

The Hitchhiking Microbe’s Guide to the Galaxy

The Hitchhiking Microbe’s Guide to the Galaxy

Can microbes travel through space on meteorites? It’s an idea called “lithopanspermia,” and to work out if it’s even feasible, some researchers decided to shoot microbes — with a gun. Guests: K.T. Ra...

15 Apr 26min

Why did we go back to the moon?

Why did we go back to the moon?

For the first time in over 50 years, humans have gone to the moon and back. And this time, NASA says we're going to stay. NASA's planning for more missions, a permanent moon base, and even a mission t...

13 Apr 31min

Is male birth control finally here?

Is male birth control finally here?

Typically, the burden of birth control falls on whoever has a uterus, but it seems like that might change — and soon! Guest: Annalisa Merelli, contributing writer at STAT. For more, go to ⁠⁠htt...

1 Apr 27min

Mi Vickicito

Mi Vickicito

Host Julia Longoria signs off from Unexplainable with one final question: Why does her grandma love Vicks VapoRub so much? A version of this episode originally aired on WNYC’s ⁠Only Human⁠ podcast. ...

30 Mar 19min

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