How do trees decide where and when to grow their branches? How do I call out sick when I’m just exhausted by life?  How biased is our understanding of prehistoric life based on the conditions needed to form fossils? How do I avoid spoilers during John’s book tour? What does it sound like on Mars? …Hank and John Green have answers!If you're in need of dubious advice, email us at [email protected] us for monthly livestreams at patreon.com/dearhankandjohnProduced for Hank and John Green by ComplexlySee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.