TED Talks
Ron McCallum: How technology allowed me to read
Months after he was born, in 1948, Ron McCallum became blind. In this charming, moving talk, he shows how he reads -- and celebrates the progression of clever tools and adaptive computer technologies that make it possible. With their...
Crash Course
Crash Course Navigating Digital Information Preview
In which John Green previews the new Crash Course on Navigating Digital Information! We've partnered with MediaWise, The Poynter Institute, and The Stanford History Education Group to teach a course in hands-on skills to evaluate the...
SciShow
The Most Venomous Animals in the World
There are a lot of ways to kill and be killed in the animal kingdom, but only a lucky few use the powers of venom. Not all are closely related, so how did they acquire the same defenses, where did venom come from, and how does it work?...
TED Talks
TED: What ants teach us about the brain, cancer and the Internet | Deborah Gordon
Ecologist Deborah Gordon studies ants wherever she can find them -- in the desert, in the tropics, in her kitchen ... In this fascinating talk, she explains her obsession with insects most of us would happily swat away without a second...
TED Talks
TED: The family I lost in North Korea. And the family I gained. | Joseph Kim
A refugee now living in the US, Joseph Kim tells the story of his life in North Korea during the famine years. He's begun to create a new life -- but he still searches for the family he lost.
TED Talks
TED: How food shapes our cities | Carolyn Steel
Every day, in a city the size of London, 30 million meals are served. But where does all the food come from? Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world.
SciShow
SciShow Talk Show: Writer Jeremy Smith, Measuring Health & Freya the Pine Snake
In this episode Hank talks about global medical history and recorded death certificates with journalist Jeremy Smith. Special guest from Animal Wonders and SciShow Kids Jessi Knudsen Castañeda brings Freya the Northern Pine Snake.
TED Talks
TED: The Sacred Art of the Ori | Laolu Senbanjo
every artist has a name, and every artist has a story. Laolu Senbanjo's story started in Nigeria, where he was surrounded by the culture and mythology of the Yoruba, and brought him to law school, to New York and eventually to work on...
TED-Ed
TED-Ed: The Nutritionist by Andrea Gibson
An animated interpretation of Andrea Gibson's poem "The Nutritionist"
SciShow
5 Strangely Familiar Ancient Animals
Once evolution finds a trick that works, it tends to repeat it. Here are a few examples of prehistoric animals that look a lot like ones we know today. chapters 0:00 0:06 0:13 0:20 0:27 0:34
TED Talks
TED: How gratitude rewires your brain | Christina Costa
When a psychologist who studies well-being ends up with a brain tumor, what happens when she puts her own research into practice? Christina Costa goes beyond the "fight" narrative of cancer -- or any formidable personal journey -- to...
TED Talks
TED: The big myth of government deficits | Stephanie Kelton
Government deficits have gotten a bad rap, says economist Stephanie Kelton. In this groundbreaking talk, she makes the case to stop looking at government spending as a path towards frightening piles of debt, but rather as a financial...
PBS
That Time Oxygen Almost Killed Everything
What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you'd never recognize, too much of a good thing almost ruined everything for everybody.
Crash Course
Reconstruction and 1876 Crash Course US History
In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew Johnson took over, and the...
TED-Ed
TED-Ed: What happened to antimatter? - Rolf Landua
Particles come in pairs, which is why there should be an equal amount of matter and antimatter in the universe. Yet, scientists have not been able to detect any in the visible universe. Where is this missing antimatter? CERN scientist...
TED Talks
Kirby Ferguson: Embrace the remix
Nothing is original, says Kirby Ferguson, creator of Everything is a Remix. From Bob Dylan to Steve Jobs, he says our most celebrated creators borrow, steal and transform.
TED Talks
TED: How augmented reality could change the future of surgery | Nadine Hachach-Haram
If you're undergoing surgery, you want the best surgical team to collaborate on your case, no matter where they are. Surgeon and entrepreneur Nadine Hachach-Haram is developing a new system that helps surgeons operate together and train...
TED Talks
Sydney Jensen: How can we support the emotional well-being of teachers?
Teachers emotionally support our kids -- but who's supporting our teachers? In this eye-opening talk, educator Sydney Jensen explores how teachers are at risk of "secondary trauma" -- the idea that they absorb the emotional weight of...
TED Talks
Thomas Heatherwick: Building the Seed Cathedral
A future more beautiful? Architect Thomas Heatherwick shows five recent projects featuring ingenious bio-inspired designs. Some are remakes of the ordinary: a bus, a bridge, a power station ... And one is an extraordinary pavilion, the...
SciShow
This Tortoise Has a Taste for Blood | SciShow News
You're entering a world, where one of the most blood thirsty predators, is a giant tortoise
SciShow
5 of the Best Measurements In Science
Proving something right isn’t just about quantity. It’s also about quality and over the years, scientists have made measurements proving that we understand ridiculously well how the universe works.
SciShow
Something Is Creating and Removing Oxygen on Mars - SciShow News
Oxygen levels in the Martian atmosphere are mysteriously inconsistent, and scientists don’t have a clear explanation for what’s behind the changes. Meanwhile, scientists DO have explanations for the tiger-like stripes on one of Saturn’s...
TED Talks
Madame Gandhi and Amber Galloway-Gallego: "Top Knot Turn Up" / "Bad Habits"
"Music is so much more than sound simply traveling through the ear," says sign language interpreter Amber Galloway-Gallego. In a spirited performance, musician and activist Madame Gandhi plays two songs -- "Top Knot Turn Up" and "Bad...
TED Talks
Peter Donnelly: How juries are fooled by statistics
Oxford mathematician Peter Donnelly reveals the common mistakes humans make in interpreting statistics -- and the devastating impact these errors can have on the outcome of criminal trials.