Are there any liquid planets? What should I know about tuberculosis? Do we eat rocks other than salt? Why do I like crickety leg rubbing? What do I wear to an orchestral Ratatouille event? How do I hide my birthday? Is 100^99 bigger or smaller than 99^100? How do full moons work?  Hank and John Green have answers!

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

Follow us on Twitter! twitter.com/dearhankandjohn

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