Where eels come from is a surprisingly difficult question to answer, in large part because scientists have never actually seen them reproduce in the wild. Gastropod explains why eels are somehow still so mysterious. For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our show. Also, email us! unexplainable@vox.com We read every email. Support Unexplainable by making a financial contribution to Vox! bit.ly/givepodcasts   Learn more about your ad choices. Visit podcastchoices.com/adchoices

Will the eel (slim, shady) please have sex?

Unexplainable takes listeners right up to the edge of what we know … and then keeps on going. Host Noam Hassenfeld and an all-star team of reporters — Byrd Pinkerton, Meradith Hoddinott, and Mandy Nguyen — tackle scientific mysteries, unanswered questions, and everything we learn by diving into the unknown. New episodes drop every Wednesday.

Natural Sciences

Science & Medicine

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Life Sciences

If you just stood up and shouted, “It’s Mount Everest, duh!” then take a seat. Not only is Everest’s official height constantly changing, but three other mountains might actually be king of the hill. 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 by making a financial contribution to Vox: vox.com/givepodcasts Please take a second to help us learn more about you! vox.com/podcastsurvey   Learn more about your ad choices. Visit podcastchoices.com/adchoices

What’s the tallest mountain in the world?

Way back when forests first evolved on Earth … they might have triggered one of the biggest mass extinctions in the history of the planet. What can we learn from this ancient climate apocalypse? 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 by becoming a Vox Member today: vox.com/members Please take a second to help us learn more about you! vox.com/podcastsurvey   Learn more about your ad choices. Visit podcastchoices.com/adchoices

Did trees kill the world?

From blood transfusions to enzyme boosters, our friends at Science Vs dive into the latest research on the search for the fountain of youth. 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 by making a financial contribution to Vox: vox.com/givepodcasts Please take a second to help us learn more about you! vox.com/podcastsurvey   Learn more about your ad choices. Visit podcastchoices.com/adchoices

Can we stop aging?

A snake. A ray. A shark. They each got pregnant with no male involved. In fact, scientists are finding more and more species that can reproduce on their own. What’s going on? 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 by making a financial contribution to Vox: vox.com/givepodcasts Please take a second to help us learn more about you! vox.com/podcastsurvey   Learn more about your ad choices. Visit podcastchoices.com/adchoices

Who's the daddy? There isn't one.

Itch used to be understood as a mild form of pain, but scientists are learning this sense is more than just skin deep. How deep does it go? 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 by making a financial contribution to Vox: vox.com/givepodcasts Please take a second to help us learn more about you! vox.com/podcastsurvey   Learn more about your ad choices. Visit podcastchoices.com/adchoices

Will the eel (slim, shady) please have sex?

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