TED Talks
Nick Bostrom: How civilization could destroy itself -- and 4 ways we could prevent it
Humanity is on its way to creating a "black ball": a technological breakthrough that could destroy us all, says philosopher Nick Bostrom. In this incisive, surprisingly light-hearted conversation with Head of TED Chris Anderson, Bostrom...
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: How to restore a rainforest | Willie Smits
By piecing together a complex ecological puzzle, biologist Willie Smits believes he has found a way to re-grow clearcut rainforest in Borneo, saving local orangutans — and creating a thrilling blueprint for restoring fragile ecosystems....
TED Talks
TED: The mysterious world of underwater caves | Jill Heinerth
Cave diver Jill Heinerth explores the hidden underground waterways coursing through our planet. Working with biologists, climatologists and archaeologists, Heinerth unravels the mysteries of the life-forms that inhabit some of the...
TED Talks
TED: One woman, five characters, and a sex lesson from the future | Sarah Jones
In this performance, Sarah Jones brings you to the front row of a classroom in the future, as a teacher plugs in different personas from the year 2016 to show their varied perspectives on sex work. As she changes props, Jones embodies an...
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 Talks
TED: How to fix a broken heart | Guy Winch
At some point in our lives, almost every one of us will have our heart broken. Imagine how different things would be if we paid more attention to this unique emotional pain. Psychologist Guy Winch reveals how recovering from heartbreak...
TED Talks
TED: Why aren't we more compassionate? | Daniel Goleman
Daniel Goleman, author of "Emotional Intelligence," asks why we aren't more compassionate more of the time.
SciShow
What Stephen Hawking Really Said About Black Holes
Hank explains the science behind recent reports that physics great Stephen Hawking said "there are no black holes." There are. They're just super complicated.
TED Talks
TED: Big data, small farms and a tale of two tomatoes | Erin Baumgartner
The path to better food is paved with data, says entrepreneur Erin Baumgartner. Drawing from her experience running a farm-to-table business, she outlines her plan to help create a healthier, zero-waste food system that values the...
TED Talks
TED: Stop being a bystander in your own life | Tracy Edwards
Life doesn't go from A to B -- it's messy, says sailing legend Tracy Edwards. In this inspiring talk, she tells how she went from teenage misfit to skipper of the first all-female crew in the toughest race on the seas -- and how she now...
TED Talks
TED: Discovering ancient climates in oceans and ice | Rob Dunbar
Rob Dunbar hunts for data on our climate from 12,000 years ago, finding clues inside ancient seabeds and corals and inside ice sheets. His work is vital in setting baselines for fixing our current climate -- and in tracking the rise of...
TED-Ed
TED-Ed: The tale of the boy who tricked the Devil | Iseult Gillespie
In a small town, a proud mother showed off her newborn son. Upon noticing his lucky birthmark, townsfolk predicted he would marry a princess. But soon, these rumors reached the wicked king. Enraged, the king stole the child away, and...
SciShow
FAQs About the New Flu
In today's news, Michael Aranda stands in for Hank to talk about this year's flu season. And no, Hank isn't out sick with the flu - he's on the road and out of the studio for a few weeks!
TED-Ed
TED-Ed: The myth of Pegasus and the chimera | Iseult Gillespie
Shielded from the gorgon's stone gaze, Perseus crept through Medusa's cave. When he reached her, he drew his sickle and brought it down on her neck. From Medusa's neck sprung two children. One was a giant wielding a golden sword; the...
Crash Course
The Golden Age of Hollywood: Crash Course Film History
It's time for the glitz and the glamour of big motion pictures that helped keep American spirits up during and after the Great Depression. Sound was a huge change to motion pictures, but there were still a few technological innovations...
TED Talks
TED: How a fleet of wind-powered drones is changing our understanding of the ocean | Sebastien de Halleux
Our oceans are unexplored and undersampled -- today, we still know more about other planets than our own. How can we get to a better understanding of this vast, important ecosystem? Explorer Sebastien de Halleux shares how a new fleet of...
TED Talks
Arthur Potts Dawson: A vision for sustainable restaurants
If you've been in a restaurant kitchen, you've seen how much food, water and energy can be wasted there. Chef Arthur Potts-Dawson shares his very personal vision for drastically reducing restaurant, and supermarket, waste -- creating...
SciShow
When Food Goes Bad | Compilation
Food can't stay fresh forever. From moldy bread to brown apples, here's the science behind what happens when food goes bad.
SciShow
The First Volcano Power Plant!
Be blown away with this episode of SciShow News as Hank talks about using the power of one of earths most powerful energy sources: Volcanoes!
TED Talks
Richard St. John: Success is a continuous journey
In his typically candid style, Richard St. John reminds us that success is not a one-way street, but a constant journey. He uses the story of his business' rise and fall to illustrate a valuable lesson -- when we stop trying, we fail.
TED Talks
Adam Ostrow: After your final status update
Many of us have a social media presence -- a virtual personality made up of status updates, tweets and connections, stored in the cloud. Adam Ostrow asks a big question: What happens to that personality after you've died? Could it ......
TED Talks
John Green: The nerd's guide to learning everything online
Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning...
TED Talks
Jacqueline Novogratz: An escape from poverty
Jacqueline Novogratz tells a moving story of an encounter in a Nairobi slum with Jane, a former prostitute, whose dreams of escaping poverty, of becoming a doctor and of getting married were fulfilled in an unexpected way.