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Hank Green

@hankschannel

733 videos · 551 shorts · 4x a week

1:33

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What is a nation?

26:01

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What the Hell is Going On with RFK Jr.

1:01:42

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AI is Proving Things No One Understands*

1:24

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The internet skews our perspective on humanity

1:16

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Have you decorated your bean’s house yet?!

1:56

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Why is melanoma such a big problem?

33:52

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I’m not a hard worker

1:24:39

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The Theranos Trap

1:34

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Why is fixing Social Security so hard?

1:03

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We shouldn’t call cancer a disease

1:20

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Making people laugh despite themselves

11:43

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The Plague: 5 Things to Know

18:26

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The Deep Lore

1:27

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Worrying doesn’t actually keep us safe

21:59

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Most of the Earth is Covered in Glass

0:17

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Why do all the continents point south?

1:02

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How can we get kids interested in learning?

2:00

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Saturn’s underrated moon

33:19

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The Hockey Stick of Doom.

0:46

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It’s been a delightful 20 years (feat. T-Pain)

21:10

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Answering your Dumb Saturn Questions

1:40

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How can you get out of a climate doom spiral?

1:55

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Why is cheddar cheese orange?

23:38

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Answering Your Cancer Questions

59:46

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The Most Important Thing that Ever Happened

1:38

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Ticks can give you a meat allergy

2:54

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What is a cancer vaccine?

59:26

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Saturn Isn't Just a Planet

27:36

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How Big of a Deal is this Cancer Vaccine?

1:08

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What’s the best way to get a voter’s attention?

20:22

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If I could Put a Plaque Anywhere in London...

8:49

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Let's Catch Up on Connections

1:23

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If the universe wasn’t expanding, would the sky be bright at night?

10:49

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This Planet is...Up to Something

1:32

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How powerful is StarClan?

0:39

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Focus Friend MERCH!

1:34

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A message for Southern California

1:26

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The Warrior Cats books always contain hope

14:53

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You Have Never Seen a Normal Star

1:28

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I caused the final change to Project Hail Mary

10:46

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Let's Play SMUSH (and also look at how bad people are at spelling)

1:37

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Your wholesome neighborhood weirdo

1:21

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How foraging became weird

1:10

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The internet changed how we think about music

0:54

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Is Jad Abumrad from Radiolab a perfectionist?

33:22

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Unfortunately, You Need to Know What the Jevons Paradox is

14:22

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Why is Everything Boring Now

1:02

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What accent is Ze Frank doing in True Facts?

1:08

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Creepy Dave’s journey of meaning

12:40

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People are Wrong about my Game

1:18

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Who actually gets movies made?

15:15

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Why Aren't Salt-Water Fish Salty?

20:43

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There's a Border Closing Over Our Heads

1:41

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Does Helen Hunt miss comedy?

11:41

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Are Scientific Papers Bad?

1:07

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Sometimes Connections makes people a little mad

0:59

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No effort is wasted

1:05

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The origin story of Connections

26:26

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No Effort is Wasted

12:29

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The Riskiest Moment of the AI Bubble

1:07

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Is John Green still ambitious?

2:33

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June 6, 2026

1:21

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Being in favor of humans is complicated

29:36

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Medical Research is Going SciFi

13:44

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Why My New Podcast Isn't on YouTube

1:32

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I’m starting a new podcast!

23:29

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A Rocket Exploded. We Need to do Math.

9:20

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Educational Video in the Age of AI

48:27

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The Two Ways Governments Fail

0:57

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What is sea foam?

1:34

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The only reason Crash Course works

0:59

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Trying to debunk the viral spinning water video

12:25

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I Just Want to Fix Things

0:10

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This video is for you… maybe

1:54

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The worst thing a pilot can say

0:54

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How to fuel pumps know when your tank is full?

1:29

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What I want from politicians

1:43

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The best bad business decision

1:00

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You might be swearing wrong

19:07

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Time Dilation, Airborne Rabies, and Whether Thunder Makes Sound

22:06

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Better Things are Coming

0:59

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Why do we sneeze when we pluck our eyebrows?

13:42

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NASA Didn't Even Know!!

0:56

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Can we travel faster than the speed of light?

1:00

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Could we use a giant mirror to see dinosaurs?

1:01

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Do smells ever actually go away?

18:11

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The Artemis Photos You Didn’t See

1:41

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This climate graph is weird on purpose

34:23

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A Masterclass in Manipulation

0:14

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I would like to stop

27:13

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Let's Do Some Market Research

0:59

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How do our bodies know to stop touching something hot?

51:35

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Why Am I Still Doing This? (with BBNO$)

1:00

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How much do clouds weigh?

13:18

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Where Do the Atoms in Your Toilet Paper End Up?

14:28

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Should I Sue Hyundai?

0:57

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What if you break an airplane window?

50:46

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You Actually Do Need to Understand Mythos

29:25

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Explaining the Most Important Artemis II Photos

30:54

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Hank and Bernie talk about AI (for real)