TED Talks
TED: Making peace is a marathon | May El-Khalil
In Lebanon there is one gunshot a year that isn’t part of a scene of routine violence: The opening sound of the Beirut International Marathon. In a moving talk, marathon founder May El-Khalil explains why she believed a 26.2-mile running...
TED Talks
TED: The beauty and complexity of finding common ground | Matt Trombley
How can we disagree with one another, respectfully and productively? In this thoughtful talk, team builder Matt Trombley reflects on "agonism" -- the tendency to take a rigid stance on issues -- and shares why finding aspects of...
TED Talks
TED: How Syria's architecture laid the foundation for brutal war | Marwa Al-Sabouni
What caused the war in Syria? Oppression, drought and religious differences all played key roles, but Marwa Al-Sabouni suggests another reason: architecture. Speaking to us over the Internet from Homs, where for the last six years she...
Crash Course
Plessy v Ferguson and Segregation Crash Course Black American History
The United States' Constitution is not a very detailed document. It lays out the basic structure of government, and the details are filled in with legislation, and clarified and reinforced by court decisions. One of the most...
TED Talks
Julius Maada Bio: A vision for the future of Sierra Leone
When Julius Maada Bio first seized political power in Sierra Leone in 1996, he did so to improve the lives of its citizens. But he soon realized that for democracy to flourish, its foundation needs to be built on the will of the people....
SciShow
How Much Humanity Weighs
Hank gives us a summary of a strange new calculation, which estimates the total body mass of all the humans on earth.
TED Talks
Bill Clinton: My wish: Rebuilding Rwanda
Accepting the 2007 TED Prize, Bill Clinton asks for help in bringing health care to Rwanda -- and the rest of the world.
TED Talks
TED: Don't ask where I'm from, ask where I'm a local | Taiye Selasi
When someone asks you where you're from … do you sometimes not know how to answer? Writer Taiye Selasi speaks on behalf of "multi-local" people, who feel at home in the town where they grew up, the city they live now and maybe another...
TED Talks
TED: The mothers who found forgiveness, friendship | Aicha el-Wafi + Phyllis Rodriguez
Phyllis Rodriguez and Aicha el-Wafi have a powerful friendship born of unthinkable loss. Rodriguez' son was killed in the World Trade Center attacks on September 11, 2001; el-Wafi's son Zacarias Moussaoui was convicted of a role in those...
SciShow
Earth, Two Degrees Warmer
A new report on climate change is pretty grim, but there is still a little hope.
TED Talks
Dolores Huerta: How to overcome apathy and find your power
"Sí, se puede!" -- "Yes, we can!" It's the rallying cry Dolores Huerta came up with as a young activist in the 1970s, and she's lived by it in her tireless pursuit of civil rights ever since. With her signature wit and humor, Huerta...
TED Talks
TED: Dance vs. powerpoint, a modest proposal | John Bohannon
Instead of a boring slide deck at your next presentation, how about bringing in a troupe of dancers? That's science writer John Bohannon's "modest proposal" in this spellbinding choreographed talk. He makes his case by example, in...
TED Talks
TED: How marijuana reform could repair, reclaim and restore communities | Khadijah Tribble
Khadijah Tribble eloquently describes how marijuana reform is necessary to end the destructive war on drugs. Differential enforcement of marijuana drug laws have led to ongoing, systemic social and economic inequity. Tribble suggests...
TED Talks
TED: The crime-fighting power of cross-border investigative journalism | Bektour Iskender
Organized crime operates across national borders -- to keep up, investigative journalists need to do the same. TED Fellow Bektour Iskender gives the inside scoop on his efforts to unveil secret, insidious operations in his home country...
TED Talks
TED: A few ways to fix a government | Charity Wayua
Charity Wayua put her skills as a cancer researcher to use on an unlikely patient: the government of her native Kenya. She shares how she helped her government drastically improve its process for opening up new businesses, a crucial part...
TED Talks
TED: Inventing is the easy part. Marketing takes work | Daniel Schnitzer
Solar-powered LED lightbulbs could transform the lives of rural Haitians, but as Daniel Schnitzer found, they don't simply sell themselves. At TEDxPittsburgh, he shows how smart health and energy products for the developing world are...
TED Talks
TED: Africa's great carbon valley -- and how to end energy poverty | James Irungu Mwangi
Our lives depend on curbing climate change, but so many priorities seem to be in competition. What's the most urgent thing humanity can do right now? Social entrepreneur James Irungu Mwangi tells us why Africa could be the ideal home for...
SciShow
Who Owns Space?
Several companies are already working on plans to mine space objects, but who owns what in space?
TED-Ed
TED-Ed: Where will you be able to live in 20 years? | Carol Farbotko and Ingrid Boas
Humanity has always adapted to changing weather and moved to regions that best support cultural lifestyles and livelihoods. However, the rise in extreme weather is endangering coastal communities, and even for those with the resources to...
TED Talks
Martin Jacques: Understanding the rise of China
Speaking at a TED Salon in London, Martin Jacques asks: How do we in the West make sense of China and its phenomenal rise? The author of "When China Rules the World," he examines why the West often puzzles over the growing power of the...
TED Talks
John Hunter: Teaching with the World Peace Game
John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous,...
TED Talks
TED: Everyday moments, caught in time | Billy Collins
Combining dry wit with artistic depth, Billy Collins shares a project in which several of his poems were turned into delightful animated films in a collaboration with Sundance Channel. Five of them are included in this wonderfully...
TED-Ed
TED-Ed: Is inequality inevitable? | TED-Ed
Income and wealth inequality are not new. In fact, economists and historians who have charted economic inequality throughout history haven't found a single society without it. Which raises a bleak question: is inequality ... inevitable?...
TED Talks
Michael Green: What the Social Progress Index can reveal about your country
The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...