About this episode
Why don't batteries last very long? Does Spider-man have to brush his teeth? Can a goose do math? Hank and John Green have answers! 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 See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .