If I make two cups of tea with the same leaves, am I ingesting twice the caffeine? Should I get... more

What do Hank and John look like? What do Americans know about Australia? Why is there not a... more

Why are people on Goodreads so angry? Can you gift a subscription on good.store? Can I read Everything is Tuberculosis... more

Why do Hank and John keep things PG? Why are white sheets the standard ghost costume? How will... more

Why do things happen “at” night but “during” the day? How do you heat food during a power outage? What... more

When do I stop using a bar of soap? What’s the current state of the first plastics ever made?  How... more

Why don’t we know why gravity works? What if the Green brothers went on Dancing with the Stars? When... more

Why do many romance books release in paperback? Can giraffes swim? Can a mosquito get drunk from biting me? ... more

When will people be buried on the moon or mars? How do I not feel lonely and like a social... more

Would John perform standup if it avoided inconveniencing someone? Which historical figure should be swapped with a dinosaur? Why is... more

In which Hank and John go on a journey of meaning.

Should tiny characters really have high-pitched voices?  Where do flies sleep? Is a seed a plant?  When, why, and how... more

Do we have the original copy of the declaration of independence? What animals would have been on Noah’s Ark? ... more

If everything was the exact same color, would we still be able to see? How long does it take to... more

John has launched a new podcast project with Katie Mack! Crash Course Pods: The Universe is a new limited series... more

What do I do with a life-sized Shaq? Are humans a super-organism? What is a pet to do when their... more

What is toothpaste? What counts as a rare book? What would happen if Gamera hugged the moon?

How do vitamins get assigned letters? How do I deal with a fear of worms? How do gel fingernails work?

Why does my cat put her mice in the water bowl? How much would it cost to build a real... more

What's a good place to put stickers? How do I convince my friends to join me in a wolf-and-bear enclosure?... more

How do you stop caring whether people like you?35:51.395 Why would a 21st century suburban high school have to test... more

How do I choose what college to apply to? Am I gonna forget everything I learn in school? What do... more

Why don't batteries last very long? Does Spider-man have to brush his teeth? Can a goose do math?

Why do humans have butts? Why does John sound weird this week? Are we doing anything tonight?

What's up with the Green brothers in 2024?

Where is the bit line? Why are some jenga blocks harder to pull than others? Would the moon be the... more

Are orcas the only animals that sink ships? Will vodka give flowers a second wind? What pelican-related dreams have you... more

How do I get my significant other on board with Taylor Swift? Would Taylor Swift be a good president? What's... more

Do my pets have better circulation than me? What's the organizational structure of an anarchy club? How do I return... more

Why is unsalted water called freshwater? How long would it take to drink a swimming pool? How do I gently... more

Hey, what's up with the podcast now? And how do I destroy a thatched roof in a wind tunnel?

Why do we have Eastern and Pacific time zones? What would happen if I blended a smoothie for a year?... more

What the heck is going on with Dear Hank and John for the next four to six months?

How do I find meaning in life? f Neanderthals were around today, would they understand memes? Where is it 5... more

Should cars have two horns? Why are humans the only animal that uses toilet paper? How do cowboys say goodbye?

Where does the word delete come from? Could a potato take a picture? What shoes are best at deflecting cleats?

Are roaches a moral failing? How do they do surgery on a fish? Why do only old people like stinky... more

Do fish get thirsty? What are some alternatives to "Sun's Out, Guns Out"? What's the next big sick?

What does water smell like? Is my perception of time related to my heart rate? Why can't I smell ants?

Are there any liquid planets? Why do I like crickety leg rubbing? What do I wear to an orchestral Ratatouille... more