TED-Ed
TED-Ed: What's the best fuel for your car? | TED-Ed
Historically, most cars have run on gasoline, but that doesn't have to be the case in the future: other liquid fuels and electricity can also power cars. So what are the differences between these options? And which one's best? Dig into...
TED-Ed
TED-Ed: Brian A. Pavlac: Ugly History: Witch Hunts
In the German town of Nördlingen in 1593, innkeeper Maria Höll found herself accused of witchcraft. She was arrested for questioning, and denied the charges. She insisted she wasn't a witch through 62 rounds of torture before her...
TED-Ed
TED-Ed: A day in the life of an ancient Celtic Druid | Philip Freeman
As the sun rises in 55 BCE, Camma lays two pigeons on the altar at the center of her village. She wrings the birds' necks and cuts them open to examine their entrails for divine messages. Camma is a druid. She conducts religious rites,...
TED-Ed
TED-Ed: Can you guess what's wrong with these paintings? | Noah Charney
Prior to the mid-20th century, art restorers took a heavy-handed approach, often drastically altering paintings in the name of "improving" art. Today, they focus on keeping the original work intact with minimal intervention, and must...
TED-Ed
TED-Ed: The surprising effects of pregnancy | TED-Ed
Muscles and joints shift and jostle. The heart's pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as...
TED-Ed
TED-Ed: The myth of Ireland's two greatest warriors | Iseult Gillespie
Cú Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly— all for the sake of a single bull. The army in question belonged to Queen Meadhbh of Connaught. Enraged at her husband's possession...
SciShow Kids
The Science of Spring!
It's finally spring where Jessi and Squeaks live! Join them as they take a look back at some of their favorite springtime subjects like why it rains, how plants grow, and all the amazing bugs you can find in the spring!
TED-Ed
TED-Ed: The Norse myth that inspired "The Lord of the Rings" | Iseult Gillespie
The dwarves were master craftspeople. One dwarf, Andvari, forged marvelous creations. He often took the form of a fish and, one day, he swam to the land of the water nymphs, who guarded mounds of gold. When the nymphs laughed at his...
TED-Ed
TED-Ed: Ethical dilemma: The burger murders | George Siedel and Christine Ladwig
You founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in one city died after eating your burgers. A criminal has injected poison into your...
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: 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: 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 Talks
TED: The forgotten art of the zoetrope | eric Dyer
Artist eric Dyer spent years working at a computer to produce images for the screen. Longing to get his hands back on his work, he began exploring the zoetrope, a popular 19th-century device that was used to create the illusion of motion...
Crash Course
Russia, the Kievan Rus, and the Mongols Crash Course World History
In which John Green teaches you how Russia evolved from a loose amalgamation of medieval principalities known as the Kievan Rus into the thriving democracy we know today. As you can imagine, there were a few bumps along the road. It...
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: Would you raise the bird that murdered your children? | Steve Rothstein
A mother honeyguide has placed its chick into a bee-eater's nest— puncturing all the other eggs in the nest and leaving only its own hatching alive. Over the following weeks, the host parents devotedly care for the hatchling whose mother...
Amoeba Sisters
Casual and Scientific Use of "Theory" and "Law"
The word "theory" is used very differently in casual everyday life vs. in science. In science, the word "theory" means so much more! Learn about what a scientific theory is with The Amoeba Sisters and discover why a scientific theory...
TED-Ed
TED-Ed: Ethical dilemma: Who should you believe? | Alex Worsnip
You're sitting on the couch, when you hear a knock on the door. The police have arrived to arrest your spouse— for murder. This accusation comes as a total shock, but their fingerprints were found on the murder weapon. Your spouse...
Amoeba Sisters
Intro to Cell Signaling
Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor. It includes the stages of cell signaling (reception, transduction, and response) and different types of signaling...