TED Talks
Lisa Margonelli: The political chemistry of oil
Speaking one month after the massive Gulf of Mexico oil spill, Lisa Margonelli shows how drilling moratoriums and executive ousters make for good theater, but distract us from the issue at heart: our unrestrained oil consumption. She...
TED Talks
David Rothkopf: How fear drives American politics
Does it seem like Washington has no new ideas? Instead of looking to build the future, it sometimes feels like the US political establishment happily retreats into fear and willful ignorance. Journalist David Rothkopf lays out a few of...
Crash Course
The Cold War Crash Course US History
In which John Green teaches you about the Cold War, which was the decades long conflict between the USA and the USSR. The Cold War was called cold because of the lack of actual fighting, but this is inaccurate. There was plenty of...
TED Talks
TED: How to revitalize a neighborhood -- without gentrification | Bree Jones
The housing market can be vexing: while some neighborhoods get ridiculously expensive and price out longtime residents, others have historic homes sitting vacant without demand. Equitable housing developer and TED Fellow Bree Jones...
TED Talks
Emma Belcher: 3 questions we should ask about nuclear weapons
There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practical talk, nuclear security expert Emma...
TED Talks
Laurie Garrett: Lessons from the 1918 flu
In 2007, as the world worried about a possible avian flu epidemic, Laurie Garrett, author of "The Coming Plague," gave this powerful talk to a small TED University audience. Her insights from past pandemics are suddenly more relevant...
TED Talks
Stefan Larsson: What doctors can learn from each other
Different hospitals produce different results on different procedures. Only, patients don’t know that data, making choosing a surgeon a high-stakes guessing game. Stefan Larsson looks at what happens when doctors measure and share their...
TED Talks
Christopher Soghoian: Government surveillance — this is just the beginning
Privacy researcher Christopher Soghoian sees the landscape of government surveillance shifting beneath our feet, as an industry grows to support monitoring programs. Through private companies, he says, governments are buying technology...
TED Talks
TED: The global learning crisis -- and what to do about it | Amel Karboul
The most important infrastructure we have is educated minds, says former Tunisian government minister Amel Karboul. Yet too often large investments go to more visible initiatives such as bridges and roads, when it's the minds of our...
TED Talks
TED: A conservative's plea: Let's work together | Arthur Brooks
Conservatives and liberals both believe that they alone are motivated by love while their opponents are motivated by hate. How can we solve problems with so much polarization? In this talk, social scientist Arthur Brooks shares ideas for...
SciShow
SciShow Talk Show: More about Animal Weapons with Doug Emlen & Professor Claw the Emperor Scorpion
Doug Emlen returns to SciShow to talk about the parallels between arms races in animals and arms races in humans. Then Jessi joins the show to show off an animal with it's own set of weapons.
TED Talks
Jon Lowenstein: Family, hope and resilience on the migrant trail
For the past 20 years, photographer and TED Fellow Jon Lowenstein has documented the migrant journey from Latin America to the United States, one of the largest transnational migrations in world history. Sharing photos from his...
TED Talks
Mihaly Csikszentmihalyi: Flow, the secret to happiness
Mihaly Csikszentmihalyi asks, "What makes a life worth living?" Noting that money cannot make us happy, he looks to those who find pleasure and lasting satisfaction in activities that bring about a state of "flow."
TED Talks
TED: What happened when we tested thousands of abandoned rape kits in Detroit | Kym Worthy
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In 2009, 11,341 untested rape kits -- some dating back to the 1980s -- were found in an abandoned warehouse once...
TED Talks
Paul Romer: The world's first charter city?
Back in 2009, Paul Romer unveiled the idea for a "charter city" -- a new kind of city with rules that favor democracy and trade. This year, at TED2011, he tells the story of how such a city might just happen in Honduras ... with a little...
TED Talks
TED: The small and surprisingly dangerous detail the police track about you | Catherine Crump
A very unsexy-sounding piece of technology could mean that the police know where you go, with whom, and when: the automatic license plate reader. These cameras are innocuously placed all across small-town America to catch known...
SciShow
4 Ways to Uncover Ancient Earthquakes
Earthquakes shake a lot of things up, but after decades or even centuries, it might be a little tough to figure out when or even where one may have happened. Luckily, nature has a few ways of letting us know.
TED Talks
Insights on HIV, in stunning data visuals - Hans Rosling
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Hans Rosling unveils data visuals that untangle the complex risk factors of one of the world's deadliest (and most...
TED Talks
TED: The case for optimism on climate change | Al Gore
Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A...
TED Talks
Enrique Peñalosa: Why buses represent democracy in action
"An advanced city is not one where even the poor use cars, but rather one where even the rich use public transport," argues Enrique Peñalosa. In this spirited talk, the mayor of Bogotá shares some of the tactics he used to change the...
TED Talks
TED: Who would the rest of the world vote for in your country's election? | Simon Anholt
Wish you could vote in another country's election? Simon Anholt unveils the Global Vote, an online platform that lets anybody, anywhere in the world, "vote" in the election of any country on earth (with surprising results).
TED Talks
Marc Bamuthi Joseph: "You Have the Rite"
In a breathtaking, jazz-inflected spoken-word performance, TED Fellow Marc Bamuthi Joseph shares a Black father's tender and wrenching internal reflection on the pride and terror of seeing his son enter adulthood.
TED Talks
Reed Kroloff: A tour of modern architecture
Reed Kroloff gives us a new lens for judging new architecture: is it modern, or is it romantic? Look for glorious images from two leading practices -- and a blistering critique of the 9/11 planning process.
TED-Ed
TED-Ed: Do IQ tests actually measure intelligence?
In 1905, psychologists Alfred Binet and Théodore Simon designed a test for children who were struggling in school in France. Designed to determine which children required individualized attention, their method formed the basis of the...