Dear Hank & John

How does the ozone layer relate to climate change? How can I communicate with my phoneless best friend? How many ants would it take to carry a human? Can I drink 4-year-old soda? John Green and Hank Green have answers! If you're in need of dubious advice, email us at hankandjohn@gmail.com. Join us for monthly livestreams and an exclusive weekly podcast at patreon.com/dearhankandjohn. Follow us on Twitter! twitter.com/dearhankandjohn