Why are crisp packet wrappers so noisy? What do you do with a second copy of a book? What's between your organs? Why are podcast ads so different from TV & radio ads? What is a relegation zone? Are Martian sunsets really blue? Hank Green and John Green have answers!

If you're in need of dubious advice, email us at hankandjohn@gmail.com.

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If you're in need of dubious advice, email us at hankandjohn@gmail.com.

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

Follow us on Twitter! twitter.com/dearhankandjohn