Dear Hank & John

What is indigo? Do you study for your books or rely on past knowledge? Would we notice if everything in the universe got bigger? If I fell through a cloud, would I get wet? Why can't I melt wood? Who do you have so many publishers? Hank Green and John 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