Do you put your mask or earbuds on first? Why were soda fountains a big deal? Why don't holes in the ground below sea level always fill with water? Where did XOXO as hugs and kisses in letters come from? How do you tell if someone has been quantum leapt? Why is pint pronounced the way it is?  Hank Green and John Green have answers!

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If you're in need of dubious advice, email us at [email protected].

Join us for monthly livestreams at patreon.com/dearhankandjohn.

Follow us on Twitter! twitter.com/dearhankandjohn

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