SciShow
How Space Might Have Shaped Our DNA
The DNA inside our cells almost exclusively twists in one direction, but the reason for this might be out of this world!
TED Talks
TED: The 15-minute city | Carlos Moreno
Living in a city means accepting a certain level of dysfunction: long commutes, noisy streets, underutilized spaces. Carlos Moreno wants to change that. He makes the case for the "15-minute city," where inhabitants have access to all the...
TED Talks
TED: The real-life superheroes helping Syrian refugees | Feras Fayyad
Society has a set of stories it tells itself about who refugees are and what they look like, says documentarian and TED Fellow Feras Fayyad. With his films, he's on a mission to separate the facts about refugees from fiction, as a form...
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
Nick Bostrom: A philosophical quest for our biggest problems
Oxford philosopher and transhumanist Nick Bostrom examines the future of humankind and asks whether we might alter the fundamental nature of humanity to solve our most intrinsic problems.
TED Talks
Philippe Starck: Design and destiny
Designer Philippe Starck -- with no pretty slides to show -- spends 18 minutes reaching for the very roots of the question "Why design?" Listen carefully for one perfect mantra for all of us, genius or not.
TED Talks
James Howard Kunstler: The ghastly tragedy of the suburbs
In James Howard Kunstler's view, public spaces should be inspired centers of civic life and the physical manifestation of the common good. Instead, he argues, what we have in America is a nation of places not worth caring about.
TED Talks
John Maeda: My journey in design
Designer John Maeda talks about his path from a Seattle tofu factory to the Rhode Island School of Design, where he became president in 2008. Maeda, a tireless experimenter and a witty observer, explores the crucial moment when design...
TED Talks
Dan Ariely: Our buggy moral code
Behavioral economist Dan Ariely studies the bugs in our moral code: the hidden reasons we think it's OK to cheat or steal (sometimes). Clever studies help make his point that we're predictably irrational -- and can be influenced in ways...
TED Talks
Dayananda Saraswati: The profound journey of compassion
Swami Dayananda Saraswati unravels the parallel paths of personal development and attaining true compassion. He walks us through each step of self-realization, from helpless infancy to the fearless act of caring for others.
TED Talks
Sonia Shah: 3 reasons we still haven’t gotten rid of malaria
We’ve known how to cure malaria since the 1600s, so why does the disease still kill hundreds of thousands every year? It’s more than just a problem of medicine, says journalist Sonia Shah. A look into the history of malaria reveals three...
TED-Ed
TED-Ed: The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim
In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus...
TED Talks
Bill Ford: A future beyond traffic gridlock
Bill Ford is a car guy -- his great-grandfather was Henry Ford, and he grew up inside the massive Ford Motor Co. So when he worries about cars' impact on the environment, and about our growing global gridlock problem, it's worth a...
TED Talks
Esther Duflo: Social experiments to fight poverty
Alleviating poverty is more guesswork than science, and lack of data on aid's impact raises questions about how to provide it. But Clark Medal-winner Esther Duflo says it's possible to know which development efforts help and which hurt...
TED Talks
Michael Archer: How we'll resurrect the gastric brooding frog, the Tasmanian tiger
The gastric brooding frog lays its eggs just like any other frog -- then swallows them whole to incubate. That is, it did until it went extinct 30 years ago. Paleontologist Michael Archer makes a case to bring back the gastric brooding...
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...
TED Talks
TED: How to transform apocalypse fatigue into action on global warming | Per espen Stoknes
The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and...
SciShow
Meteor Explosion
Hank talks about the search for pieces of a special meteoroid that exploded over California & Nevada last month.
SciShow
Why Depression Isn’t Just a Chemical Imbalance
Depression is a common disorder, and though it might seem like we’ve got it figured out, what it is and how to treat it is actually way more complicated than we think.
SciShow
The First Time We Met a Comet, We Blew a Hole in It
In the first mission of its kind, Deep Impact’s goal was to teach us about the interior of comets...by blowing a hole in the side of one!
TED Talks
TED: The haunting truth of ghost stories | Coya Paz Brownrigg
Ghost stories reveal much more than the ghouls and spirits that haunt them. Settle in for a spooky delight as theater educator Coya Paz Brownrigg lays out three types of bone-chilling tales and exhumes the grave truths they hold about...
TED-Ed
The epic of Gilgamesh, the king who tried to conquer death | Soraya Field Fiorio
In 1849, in the ancient city of Nineveh in Iraq, archaeologists sifted through dusty remains, hoping to find records to prove that Bible stories were true. What they found instead was a 4,000-year-old story inscribed on crumbling clay...
TED Talks
TED: Women, wartime and the dream of peace | Zainab Salbi
In war we often see only the frontline stories of soldiers and combat. AT TEDGlobal 2010, Zainab Salbi tells powerful "backline" stories of women who keep everyday life going during conflicts, and calls for women to have a place at the...