The weirdest things we learned this week range from finding lost footage of the first-ever underwater video to a daring attempt to fly over the North Pole in a hydrogen balloon. Whose story will be voted "The Weirdest Thing I Learned This Week"?

The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us on Twitter: www.twitter.com/weirdest_thing #weirdestthingpod

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Theme Music by Billy Cadden: www.twitter.com/billycadden
Edited by Jason Lederman: www.twitter.com/Lederman

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