TED Talks
Stephen Friend: The hunt for "unexpected genetic heroes"
What can we learn from people with the genetics to get sick — who don't? With most inherited diseases, only some family members will develop the disease, while others who carry the same genetic risks dodge it. Stephen Friend suggests we...
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
Building a Desalination Plant from Scratch: Crash Course Engineering #44
An essential part of engineering is engineering design. Today we’ll see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. We’ll explain the need test...
TED-Ed
TED-Ed: Is telekinesis real? - Emma Bryce
Telekinesis, the ability to manipulate matter with the mind alone, is a trait exhibited by some of the most iconic fictional characters, including Neo, Yoda, and, of course, Carrie. But is this mind control actually possible in real...
Crash Course
Why Cosmic Evolution Matters: Crash Course Big History
Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look...
SciShow
Solar Storms
Solar Storms! Moaning Myrtle! Wondering what the frick is behind the solar flares that slammed Earth earlier this week? Hank lays out how that juicy ball of plasma we call the sun causes us trouble from time to time.
Curated Video
Samurai, Daimyo, Matthew Perry, and Nationalism: Crash Course World History
In which John Green teaches you about Nationalism. Nationalism was everywhere in the 19th century, as people all over the world carved new nation-states out of old empires. Nationalist leaders changed the way people thought of themselves...
Crash Course
What are the Patterns of Border Conflicts? Crash Course Geography
Today, we’re going to take a closer look at borders and the stories they tell. When we look at a map, the shapes we’re seeing can seem so permanent, but a map is just a snapshot of the Earth at a particular time, and by looking a...
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...
SciShow
Could We Destroy the Earth?
There are a lot of nuclear weapons on Earth, so many that we often say it's enough to "destroy the world several times over." But could we? Well, that depends on what you mean. Also...no matter what you mean, probably not. The Earth is...
Crash Course
Do the Right Thing: Crash Course Film Criticism
Mainstream American films don’t often tackle race and racism head-on, and when they do, they often end up trying to find easy answers. Which makes films like Spike Lee’s Do the Right Thing all the more powerful. It’s an intimate portrait...
TED Talks
TED: There's no such thing as not voting | eric Liu
Many people like to talk about how important voting is, how it's your civic duty and responsibility as an adult. eric Liu agrees with all that, but he also thinks it's time to bring joy back to the ballot box. The former political...
TED-Ed
TED-Ed: The rise and fall of the medieval Islamic Empire | Petra Sijpesteijn and Birte Kristiansen
In the 7th century CE, the prophet Muhammad united the people of the Arabian Peninsula through the formation of Islam. Over the next 30 years, caliphs conquered vast areas beyond Arabia, including their mighty neighbors the Persians and...
Crash Course
Karl Marx & Conflict Theory: Crash Course Sociology
Today we’ll continue to explore sociology’s founding theorists with a look at Karl Marx and his idea of historical materialism. We’ll discuss modes of production, their development, and how they fit into Marx’s overall theory of...
TED Talks
TED: Racism thrives on silence -- speak up! | Dexter Dias
Racism thrives on your silence and apathy, says human rights lawyer Dexter Dias. Telling the story of a harrowing UK court case that spotlights the corrosive effects of injustice, Dias urges us all to speak out and expose toxic myths...
TED Talks
Possible futures from the intersection of nature, tech and society | Natsai Audrey Chieza
Biodesigner Natsai Audrey Chieza prototypes the future, imagining a world where people and nature can thrive together. In this wildly imaginative talk, she shares the vision behind her innovation lab, which works at the intersection of...
SciShow
Solar-Powered Plane and Contagious Shellfish Cancer
A plane fueled only by the sun is flying around the world and a certain cancer in shellfish is contagious! Olivia Gordon explains these stories in this week's SciShow News.
3Blue1Brown
The most unexpected answer to a counting puzzle
A puzzle involving colliding blocks where the number pi, vey unexpectedly, shows up.
TED Talks
TED: 4 ways to redefine power at work to include women of color | Rha Goddess and Deepa Purushothaman
With many women of color considering exiting the workforce due to unfair conditions, it's time to reshape systems in order to put an end to this massive loss of talent. Exposing the harmful repercussions of racist, toxic organizational...
Crash Course
Grip and Electric: Crash Course Film Production
It's time to look at some of the most under-sung heroes of the film world, Grip and Electric. Doing everything from setting up dollies and tripods, to helping the cinematographer shape the light with flags and silks, the Grips are there...
TED Talks
TED: Is war between China and the US inevitable? | Graham Allison
Taking lessons from a historical pattern called "Thucydides's Trap," political scientist Graham Allison shows why a rising China and a dominant United States could be headed towards a violent collision no one wants -- and how we can...
TED Talks
Alice Dreger: Is anatomy destiny?
Alice Dreger works with people at the edge of anatomy, such as conjoined twins and intersexed people. In her observation, it's often a fuzzy line between male and female, among other anatomical distinctions. Which brings up a huge...
TED-Ed
TED-Ed: The secret messages of Viking runestones | Jesse Byock
With their navigational skills and advanced longships, the Vikings sustained their seafaring for over 300 years. But for all their might, they left few monuments. Instead, fragments of stone, bark and bone found in the sites of ancient...
TED Talks
P.W. Singer: Military robots and the future of war
In this powerful talk, P.W. Singer shows how the widespread use of robots in war is changing the realities of combat. He shows us scenarios straight out of science fiction -- that now may not be so fictitious.