Who writes author bios in the back of books? Why do things burn up when entering the atmosphere but not exiting it? Would you stay in a space hotel? Where does stimulus money come from? Can humans reduce carbon emission as much as we need to? Can you make a cake? How do you get sauces delivered? Hank Green 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

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