Dear Hank & John

Do we have the original copy of the declaration of independence? What animals would have been on Noah’s Ark?  What do I do if I accidentally walk into a fancy restaurant?  What do ...

If everything was the exact same color, would we still be able to see? Why can't I take naps in contacts? How long does it take to get to space? What would you bring to Mars? How m...

John has launched a new podcast project with Katie Mack! Crash Course Pods: The Universe is a new limited series podcast where Dr. Katie Mack, a theoretical astrophysicist, walks J...

What's the best way to hold an umbrella? What do I do with a life-sized Shaq? Are humans a super-organism? Why does espresso goop smell like burnt hair? Is 26 too late to start wea...

How could ping pong balls be considered a liquid? What do you mean "there's no free will"? What is toothpaste? What counts as a rare book? What is Applebees? What's the worst accen...

What are some good audiobooks? How do I relearn to chew? How do vitamins get assigned letters? How do I ask for money I was owed? How do I deal with a fear of worms? How do gel fin...

Why does my cat put her mice in the water bowl? How do you quit Twitter? How much would it cost to build a real Lego house? What happens to dirt displaced by coffins? Why do batter...

What's a good place to put stickers? How do I convince my friends to join me in a wolf-and-bear enclosure? How does a compass work in space? How do I be less judgmental? What's hap...

How do you stop caring whether people like you? Why does my shower set off the smoke detector? Why would a 21st century suburban high school have to test for tuberculosis? Should I...

How do I choose what college to apply to? Any fast tips for college survival? Am I gonna forget everything I learn in school? What's the future of college? What do I do after colle...

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...

Why do humans have butts? Why does John sound weird this week? What should a delivery driver do when a dog escapes? How many humans have ever been 30? How do I handle my drinking p...