TED Talks
David Bolinsky: Visualizing the wonder of a living cell
Medical animator David Bolinsky presents 3 minutes of stunning animation that show the bustling life inside a cell.
Crash Course
Separation of Powers and Checks and Balances: Crash Course Government and Politics
In which Craig Benzine teaches you about the US Governments Separation of powers and the system of checks and balances. In theory, the Legislative Branch, the Executive Branch, and the Judicial Brach are designed to keep each other in...
SciShow
3 Human-Caused Disasters
Think natural disasters are bad? Humans do a pretty good job on our own. Michael Aranda co-hosts this infusion to explain.
TED Talks
Noah Feldman: Politics and religion are technologies
Noah Feldman makes a searing case that both politics and religion -- whatever their differences -- are similar technologies, designed to efficiently connect and manage any group of people.
TED Talks
Tom Wujec: Build a tower, build a team
Tom Wujec presents some surprisingly deep research into the "marshmallow problem" -- a simple team-building exercise that involves dry spaghetti, one yard of tape and a marshmallow. Who can build the tallest tower with these ingredients?...
TED Talks
TED: How fear of nuclear power is hurting the environment | Michael Shellenberger
We're not in a clean energy revolution; we're in a clean energy crisis, says climate policy expert Michael Shellenberger. His surprising solution: nuclear. In this passionate talk, he explains why it's time to overcome longstanding fears...
TED-Ed
TED-ED: History vs. Cleopatra - Alex Gendler
She was the most notorious woman in ancient history, a queen who enraptured not one but two of Rome's greatest generals. But was she just a skilled seductress or a great ruler in her own right? Alex Gendler puts this controversial figure...
Crash Course
World War II: Crash Course World History
In which John Green teaches you about World War II, aka The Great Patriotic War, aka The Big One. So how did this war happen? And what does it mean? We've all learned the facts about World War II many times over, thanks to repeated...
Crash Course
Invisible Man: Crash Course Literature 308
This week, we're on to reading Ralph Ellison's great novel about the black experience in America after World War II, Invisible Man. John will teach you about Ellison's nameless narrator, and his attempts to find his way in a social order...
TED-Ed
TED-Ed: The Furnace Bots | Think Like A Coder, Ep 3 | Alex Rosenthal
This is episode 3 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
TED-Ed
Why should you read Toni Morrison's "Beloved"? | Yen Pham
Two tiny handprints stamped into a cake. A mirror that shatters without warning. A trail of cracker crumbs strewn along the floor. Everyone at 124 Bluestone Road knows their home is haunted— but there's no mystery about the spirit...
SciShow
Project Orion: The Spaceship Propelled By Nuclear Bombs
Before the Orion of today, the Orion of the 1950s was propelled by nuclear bombs exploding behind it.
Crash Course
Deep Time
As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion...
TED-Ed
TED-ED: How does impeachment work? - Alex Gendler
For most jobs, it's understood that you can be fired _ whether for crime, incompetence, or just poor performance. But what if your job happens to be the most powerful position in the country _ or the world? That's where impeachment comes...
Crash Course
Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry
Have you ever been to a Demolition Derby? Then you have an idea of how molecular collisions happen. In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions,...
TED-Ed
TED-Ed: Why can't we see evidence of alien life? - Chris Anderson
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question...
SciShow
Get Charged Up for the Gigafactory
Hank shares the latest ambitious project from SpaceX and Tesla entrepreneur Elon Musk: The Gigafactory. Learn more about how batteries work, what the big deal is about lithium, and why people are getting so charged up. See what we did...
Crash Course
The History of Electrical Engineering: Crash Course Engineering #4
Next stop on our tour of engineering’s major fields: electrical engineering. In this episode we’ll explore the history of telecommunications, electric power and lighting, and computers. We’ll introduce topics like magnetism, electrical...
SciShow
Why Wouldn’t You Put Your Wind Farm In the Windiest Place?
Wind is an ever increasing source of power worldwide, which means wind farms continue to be constructed. And choosing where to place those farms seems straightforward, but it might not actually be best to place the in the windiest places!
TED-Ed
TED-ED: The myth of Prometheus - Iseult Gillespie
Before the creation of humanity, the Greek gods won a great battle against a race of giants called the Titans. Most Titans were destroyed or driven to the eternal hell of Tartarus. But the Titan Prometheus, whose name means foresight,...
TED-Ed
TED-ED: The history of Tea - Shunan Teng
Tea is the second most consumed beverage in the world after water __ and from sugary Turkish Rize tea to salty Tibetan butter tea, there are almost as many ways of preparing the beverage as there are cultures on the globe. Where did this...
SciShow
Are Power Poses Super Life Hacks or Super Junk?
Your body language can communicate a lot of information to other people, but can striking a power pose revolutionize your life?
PBS
The Misunderstood Nature of Entropy
Entropy is surely one of the most intriguing and misunderstood concepts in all of physics. The entropy of the universe must always increase - so says the second law of thermodynamics. It's a law that seems emergent from deeper laws -...
SciShow
Is the Power Grid Ready for Green Energy?
Despite the rise of renewable energy, the backbone of the power grid is fossil fuels. Adapting the grid to green energy sources is more complicated than flipping a switch.