What can I do in an empty library? How fast do we make pee? Can a horse and a dinosaur have kids? Can I live in Milton Keynes as a Wimbledon fan? Could I drink Martian water through a filtered straw? Is the sun up there silently screaming for all eternity?  Hank and John Green have answers!

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

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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