How did X come to symbolize "The UNKNOWN"? - Be Smart.

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A truly X-cellent and X-ceptional video… Join our Patreon community: https://www.patreon.com/itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓ Despite being one of the rarest letters in English, the letter X is everywhere. We sign letters with it, we rate movies with it, we name all sorts of things after it. We’re kind of obsessed with it. And that’s probably all thanks to math, where X stands for the unknown. Let's explore the bizarre history of how X took on this role… References: https://sites.google.com/view/why-are-we-so-obsessed-with-x/home SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ----------- High fives to all our Brain Trust Patrons: Charles Horton, Jr Holly, Brett, and Ashe Bullion Jaap Westera Millennial Glacier Mehdi Damou Barbora Bei Burt Humburg dani bowman David Johnston Baerbel Winkler Robert Young Eric Meer Karen Haskell Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

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Frequently Asked Questions

How long is this episode of Be Smart.?

This episode is 13 minutes long.

When was this Be Smart. episode published?

This episode was published on June 23, 2026.

What is this episode about?

A truly X-cellent and X-ceptional video… Join our Patreon community: https://www.patreon.com/itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓ Despite being one of the rarest letters in English, the letter X is everywhere. We sign letters with...

Can I download this Be Smart. episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.