
Hosted by Vox · EN

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

Static electricity plays an invisible role in the natural world, and it may even help insects pollinate plants. To understand this hidden force, scientists have jumped through some pretty weird experimental hoops — and “walked” butterflies through literal hoops. Guests: Sam England, postdoctoral researcher at Berlin's National History Museum; Benji Jones, Vox's environmental correspondent To read more about this experiment, Benji recommends this great article from Quanta Magazine, where he first encountered Sam's work. 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

Aphantasia is the inability to see with your mind’s eye. And its discovery has made scientists ask a surprising question: What is the mind’s eye even for? (First published in 2022.) Guests: Alice Coles, artist; Adam Zeman, cognitive neurologist at the University of Exeter Medical School; Joel Pearson, professor of neuroscience at the University of New South Wales; Emily Holmes, professor of psychology at Uppsala 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 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

Scavengers Reign, the Emmy-winning Netflix show, has done something most sci-fi shows or movies struggle to do. Build a world that feels truly alien. Guests: Joe Bennett, co-creator of Scavengers Reign, and Sean Buckelew, writer on Scavengers Reign 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

The magma chambers at the heart of volcanoes are very deep and very hot. So naturally, some researchers want to build an observatory in one. Guests: Mike Poland, scientist-in-charge of the Yellowstone Volcano Observatory; Yan Lavallée, chair of magmatic petrology and volcanology at LMU München and scientific and technical board member of the Krafla Magma Testbed; John Eichelberger, volcanologist at the University of Alaska Fairbanks and founding scientist of KMT 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

Rumors of Neanderthal brutishness have been greatly exaggerated. Guest: Paige Madison, science writer 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

What happens when you get a life-changing device implanted into your body... and then the company that maintains it goes bankrupt? Guests: Jennifer French, Executive Director and Founder of Neurotech Network, a nonprofit focused on education and advocacy for neurotechnology, and Liam Drew, freelance science journalist who reported on abandoned neurotech for Nature 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

Tens of thousands of lives could be saved each year if hospitals had more blood. So scientists are racing to understand how this living fluid does what it does in order to one day grow it from scratch.Guest: Nicola Twilley, New Yorker contributor and host of Gastropod. For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe 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

We know life on Earth wouldn't be possible without the moon. Now scientists are finding the moon might even be influencing our biology on a molecular level.Guest: Rebecca Boyle, science journalist and author of Our Moon: How Earth's celestial companion transformed the planet, guided evolution, and made us who we areFor show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe 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

Listeners told us that eating baby carrots or telling lies can bring on the hiccups. Burping or kissing can make them stop. Um, what? (First published in 2023.)Guests: Tyler Cymet, chair of medicine at The Chicago School, and Ali Seifi, professor of neurosurgery at the University of Texas Health Science Center San AntonioFor show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable by becoming a Vox Member today: vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices