Are roaches a moral failing? What makes a species native? What's a finsta? How do I help a horse experiencing object permanence? Can I use quarters I found? How do they do surgery on a fish? Why do only old people like stinky cheese?  Hank Green and Roman Mars 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