TED-Ed
TED-ED: Is there a reproducibility crisis in science? - Matt Anticole
Published scientific studies can motivate research, inspire products, and inform policy. However, recent studies that examined dozens of published pharmaceutical papers managed to replicate the results of less than 25% of them - and...
TED-Ed
TED-ED: Real life sunken cities - Peter Campbell
Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scientists to help us understand the lives of our ancestors, the...
TED-Ed
TED-Ed: If superpowers were real: Super speed - Joy Lin
What if super speed wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super speedy? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere...
TED-Ed
TED-Ed: Dark matter: How does it explain a star's speed? - Don Lincoln
All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as expected? Don Lincoln explains how a mysterious force...
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-Ed
TED-ED: Sunlight is way older than you think - Sten Odenwald
It takes light a zippy 8 minutes to reach Earth from the surface of the Sun. But how long does it take that same light to travel from the Sun's core to its surface? Oddly enough, the answer is many thousands of years. Sten Odenwald...
TED-Ed
TED-ED: Mysteries of vernacular: Window - Jessica Oreck and Rachael Teel
Metaphoric compounds, like the combination of the words wind and eye to represent a window, populated Norse and Old English. Jessica Oreck and Rachael Teel describe how this love of metaphor created the word window.
TED-Ed
TED-Ed: How do nerves work? - Elliot Krane
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.
TED-Ed
TED-Ed: Is it possible to lose weight fast? | Hei Man Chan
In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar...
TED-Ed
TED-Ed: What is imposter syndrome and how can you combat it? - Elizabeth Cox
Even after writing eleven books and winning several awards, Maya Angelou couldn't escape the doubt that she hadn't earned her accomplishments. This feeling of fraudulence is extremely common. Why can't so many of us shake feelings that...
TED-Ed
TED-Ed: The Train Heist | Think Like A Coder, Ep 4 | Alex Rosenthal
This is episode 4 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
TED-Ed: The greatest mathematician that never lived | Pratik Aghor
When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time. He'd published articles in international journals and his textbooks were required...
TED-Ed
TED-Ed: Can you solve the penniless pilgrim riddle? - Daniel Finkel
After months of travel, you've arrived at Duonia, home to the famous temple that's the destination of your pilgrimage. The walk from the welcome center to the temple isn't a long one ... but there's a problem. Can you outsmart the city's...
TED-Ed
TED-Ed: How do you decide where to go in a zombie apocalypse? - David Hunter
Can geography save your life in case of, say, a zombie apocalypse? Understanding the push and pull factors that create geographic movement -- or how people, resources, and even ideas travel -- might help you determine the location that's...
TED-Ed
TED-ED: A brief history of melancholy - Courtney Stephens
If you are a living, breathing human being, chances are you have felt sad at least a few times in your life. But what exactly is melancholy, and what (if anything) should we do about it? Courtney Stephens details our still-evolving...
TED-Ed
TED-Ed: Are Elvish, Klingon, Dothraki and Na'vi real languages? - John McWhorter
What do Game of Thrones' Dothraki, Avatar's Na'vi, Star Trek's Klingon and LOTR's Elvish have in common? They are all fantasy constructed languages, or conlangs. Conlangs have all the delicious complexities of real languages: a high...
TED-Ed
What happens when you die? A poetic inquiry | Emily Dickinson
Death, a kindly gentleman riding in a horse carriage, comes to collect a woman for her journey to the afterlife. So begins Emily Dickinson's poem "Because I could not stop for Death," an exploration of both the uncertainties of death and...
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...
TED-Ed
TED-Ed: The myth of Gawain and the Green Knight | Dan Kwartler
It was Christmas in Camelot and King Arthur was throwing a party. In the midst of the revelry, a towering knight proposed a game. He challenged the warriors present to attack him with his own axe. If they could strike him down, they...
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...
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-Ed
TED-ED: Why is ketchup so hard to pour? - George Zaidan
Ever go to pour ketchup on your fries-and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and...
TED-Ed
TED-Ed: Inside a cartoonist's world - Liza Donnelly
From cave drawings to the Sunday paper, artists have been visualizing ideas -- cartoons -- for centuries. New Yorker cartoonist Liza Donnelly walks us through the many stages every cartoon goes through, starting with an idea and turning...
TED-Ed
TED-Ed: What we know (and don't know) about Ebola - Alex Gendler
The highly virulent Ebola virus has seen a few major outbreaks since it first appeared in 1976 -- with the worst epidemic occurring in 2014. How does the virus spread, and what exactly does it do to the body? Alex Gendler details what...