TED Talks
My wish: Let my photographs bear witness - James Nachtwey
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Accepting his 2007 TED Prize, war photographer James Nachtwey shows his life's work and asks TED to help him...
TED-Ed
TED-Ed: How optical illusions trick your brain - Nathan S. Jacobs
Optical illusions are images that seem to trick our minds into seeing something different from what they actually are. But how do they work? Nathan S. Jacobs walks us through a few common optical illusions and explains what these tricks...
SciShow
The Delightful Mutation Behind Siamese Cats
It's easy to assume a cat's coat pattern is based exclusively on genetics, but that isn't entirely the case for Siamese cats. Their unique coloration comes from a combination of genetics, a fragile enzyme, and losing heat from little...
Crash Course
Archetypes and Male Divinities: Crash Course World Mythology
This week on Crash Course Mythology, Mike is teaching you about the archetypes that are often associated with male divinities. We're going to talk about Fathers & Sons, Kings & Judges, Saviors & Sages, Shamans, Tricksters, and Lords of...
Crash Course
Psychology of Computing: Crash Course Computer Science
We’ve spent most of this series talking about computers. Which makes sense - this is Crash Course COMPUTER SCIENCE after all. But at their core computers are tools employed by humans and humans are pretty complicated. So today, we’re...
SciShow
3D Printing and the Northern Walking Stick Insect: SciShow Talk Show #18
Today on the SciShow Talk Show, Ben Malouf shows off some of his 3D printed designs and talks with Hank about how he got into the world of 3D printing. Then Jessi from Animal Wonders joins in to share Holmes and Watson, the northern...
Crash Course
Apocalypse Now: Crash Course Film Criticism
Francis Ford Coppola's "Apocalypse Now" is a different kind of war movie. It's a multi-genre film that maybe says more about human psychology than it does about war. In this episode of Crash Course Film Criticism, Michael Aranda takes us...
TED Talks
TED: The link between inequality and anxiety | Richard Wilkinson
Why are global levels of anxiety and depression so high? Social epidemiologist Richard Wilkinson presents compelling data on the impact of inequality on mental health and social relationships in countries around the world. "Inequality,"...
SciShow
Why Don't Birds Have Vertical Tails Like Airplanes?
How do you tell a plane from a bird? The vertical tail, of course! By why can birds fly without a vertical tail, and how do planes use their vertical tails to stay in the air?
Be Smart
The Only Animal That Weeps
Why do we cry? It's weird. Humans leak water out of their faces when they get sad. Are we the only animals that do this? What does it mean? What is it for? Here's the science of human tears!
Be Smart
Where Do Teeth Come From?
Teeth. We've all got 'em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind. They are strong enough to last hundreds of millions of years. Oh, and if you've ever...
SciShow
The Science of a Selfie
Taking photos used to require technical knowledge and time in a lab, but now we have electronic devices in our pockets that do all of the work for us. How do these miracle devices do it?
SciShow Kids
Parachute Adventure! - #sciencegoals
Today is exciting, because Jessi and Squeaks are making parachutes! Tag along to learn how you can make your own, and what forces are being used to make your parachute work!
SciShow
Why Is That Baby Staring at Me?
That baby is staring at you, and you don't know why. Something in your teeth? Did you accidentally leave a tag on your clothes? Don't worry,that baby probably just likes your face.
TED-Ed
TED-Ed: How big is the ocean? - Scott Gass
While the Earth's oceans are known as five separate entities, there is really only one ocean. So, how big is it? As of 2013, it takes up 71% of the Earth, houses 99% of the biosphere, and contains some of Earth's grandest geological...
SciShow Kids
Why Do We Blink?
Ever have a staring contest? Why is it so hard?! Jessi answers a question from a curious SciShow Kids viewer: Why do we blink?
TED Talks
TED: Stories of photographing monumental people -- from Michelle Obama to Stephen Hawking | Platon
With his art, photographer Platon seeks to strip away assumptions and leave viewers with a window into his subject's character, filling our eyes with wonder and curiosity. Sharing extraordinary stories of what it's like to photograph...
Crash Course
Getting Help - Psychotherapy: Crash Course Psychology
So, you know you'd like to get help with some problematic behavior (like fear of flying). What do you do? Who can you go to for help? Once you've gone, what can you expect? In this episode of Crash Course Psychology, Hank talks about...
TED Talks
Laura Boushnak: For these women, reading is a daring act
In some parts of the world, half of the women lack basic reading and writing skills. The reasons vary, but in many cases, literacy isn't valued by fathers, husbands, even mothers. Photographer and TED Fellow Laura Boushnak traveled to...
TED Talks
TED: Compassion and the true meaning of empathy | Joan Halifax
Buddhist roshi Joan Halifax works with people at the last stage of life (in hospice and on death row). She shares what she's learned about compassion in the face of death and dying, and a deep insight into the nature of empathy.
TED-Ed
How do wind turbines work? | Rebecca J. Barthelmie and Sara C. Pryor
Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible...
Be Smart
The Science of Kissing
When you really think about it, kissing is an odd human behavior. You know, all the rubbing of our faces all over each other. So there must be a good reason why we do it, right? From motherly comforts to testing the genetic compatibility...
SciShow
Hank vs Aranda: The FINAL FACE-OFF | SciShow Quiz Show
Two SciShow hosts go head-to-head in a battle to figure out who will be the reigning champion for this era of SciShow Quiz Show!