TED-Ed

Check out our Patreon page: https://www.patreon.com/tededUploaded 16-08-18View full lesson: https://ed.ted.com/lessons/zen-koans-unsolvable-enigmas-designed-to-break-your-brain-puqun-liHow do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a differ...

View full lesson here: http://ed.ted.com/lessons/einstein-s-miracle-year-larry-lagerstromUploaded 06-01-15As the year 1905 began, Albert Einstein faced life as a “failed” academic. Yet within the next twelve months, he would publish four extraordinary papers, each on a different topic, that were destined to radically transform our understanding of the universe. Larry Lagerstrom details these four...

Learn more about TED's Student Talks program here: http://bit.ly/2MUY1KKUploaded 21-08-18View full lesson: https://ed.ted.com/lessons/why-is-aristophanes-called-the-father-of-comedy-mark-robinsonAristophanes, often referred to as the Father of Comedy, wrote the world’s earliest surviving comic dramas. They're stuffed full of parodies, songs, sexual jokes and surreal fantasy -- and they’ve shaped h...

View full lesson: http://ed.ted.com/lessons/the-benefits-of-a-good-night-s-sleep-shai-marcuUploaded 05-01-15It’s 4am, and the big test is in 8 hours. You’ve been studying for days, but you still don’t feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the latter option, showing how sleep restructures your brain in...

Practice more problem-solving at https://brilliant.org/TedEd/Solution to Bonus Riddle: https://brilliant.org/tededautobiographical/Uploaded 23-08-18You’ve found Leonardo da Vinci’s secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes: 1210, 3211000, and… hmm. The last one appears to be missing. Can you figure out the last number and open the vault?...

View full lesson: http://ed.ted.com/lessons/what-is-a-gift-economy-alex-gendlerUploaded 23-12-14What if, this holiday season, instead of saying "thank you" to your aunt for her gift of a knitted sweater, the polite response expected from you was to show up at her house in a week with a better gift? Or to vote for her in the town election? Or let her adopt your firstborn child? Alex Gendler explain...

Explore the psychology behind imposter syndrome, and get tips on how you can combat feelings of doubt in your accomplishments. Uploaded 28-08-18--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 our ideas and skil...

Check out our Patreon page: https://www.patreon.com/tededUploaded 22-12-14View full lesson: http://ed.ted.com/lessons/the-atlantic-slave-trade-what-your-textbook-never-told-you-anthony-hazardSlavery has occurred in many forms throughout the world, but the Atlantic slave trade -- which forcibly brought more than 10 million Africans to the Americas -- stands out for both its global scale and its las...

Download a free audiobook version of "One Hundred Years of Solitude" and support TED-Ed's nonprofit mission: https://adbl.co/2LHl4XMUploaded 30-08-18Check out our full book recommendation: http://bit.ly/2PgPKS6View full lesson: https://ed.ted.com/lessons/why-should-you-read-one-hundred-years-of-solitude-francisco-diez-buzoGabriel García Márquez's novel "One Hundred Years of Solitude" brought Latin...

Dig into the personal and political assassination of Roman dictator Julius Caesar, and find out why his senators plotted against him. Uploaded 18-12-14--On March 15th, 44 BCE, Roman dictator Julius Caesar was assassinated by a group of about 60 of his own senators. Why did these self-titled Liberators want him dead? And why did Brutus, whose own life had been saved by Caesar, join in the plot? Kat...

Explore the stages of how your memory stores information and how short-term stress impacts this process. Uploaded 04-09-18--You spend weeks studying for an important test. On the big day, you wait nervously as your teacher hands it out. You’re working your way through, when you’re asked to define "ataraxia." You know you’ve seen the word before, but your mind goes blank. What just happened? Elizab...

From plant pollination to pest control, explore how bats contribute to ecosystems and the importance of protecting bats to reduce the risk of transmitting disease. Uploaded 16-12-14--What flies through the night, silently guarding and protecting our world from evil? Batman? Try... a bat. Like Batman, bats are widely misunderstood and vilified. Amy Wray disproves the myth that bats are dangerous vi...

Join TED-Ed's Student Program: http://bit.ly/2Nps4NWUploaded 06-09-18View full lesson: https://ed.ted.com/lessons/what-is-the-universe-expanding-into-sajan-sainiThe universe began in a Big Bang nearly fourteen billion years ago, and has been expanding ever since. But how does the universe expand and what is it expanding into? Sajan Saini explains the existing theories around the Big Bang and what,...

Practice more problem-solving at https://brilliant.org/TedEd/Solution to Bonus Riddle: https://brilliant.org/tededmislabelledboxes/Uploaded 10-09-18You’re overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packages must follow this rule: if a box is marked with an even number on the bottom, it must be sealed with a red top. One of the four...

View full lesson: http://ed.ted.com/lessons/at-what-moment-are-you-dead-randall-hayesUploaded 11-12-14For as far back as we can trace our existence, humans have been fascinated with death and resurrection. But is resurrection really possible? And what is the actual difference between a living creature and a dead body anyway? Randall Hayes delves into the scientific theories that seek to answer the...

Check out our Patreon page: https://www.patreon.com/tededUploaded 11-09-18View full lesson: https://ed.ted.com/lessons/is-there-any-truth-to-the-king-arthur-legends-alan-lupackKing Arthur has risen again and again in our collective imagination, along with his retinue of knights, Guinevere, the Round Table, Camelot, and of course Excalibur. But where do these stories come from, and is there any tru...

View full lesson here: http://ed.ted.com/lessons/how-to-create-cleaner-coal-emma-bryceUploaded 09-12-14It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage like acid rain and serious health problems. Can we create a cl...

Check out our Patreon page: https://www.patreon.com/tededUploaded 13-09-18View full lesson: https://ed.ted.com/lessons/how-do-cigarettes-affect-the-body-krishna-sudhirCigarettes aren’t good for us. That’s hardly news -- we’ve known about the dangers of smoking for decades. But how exactly do cigarettes harm us, and can our bodies recover if we stop? Krishna Sudhir details what happens when we smok...

View full lesson: http://ed.ted.com/lessons/the-2-400-year-search-for-the-atom-theresa-doudUploaded 08-12-14How do we know what matter is made of? The quest for the atom has been a long one, beginning 2,400 years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prize-winning scientists. Theresa Doud details the history of atomic theory. Lesson by Theresa Dou...

If you enjoy this lesson, we highly recommend reading "The World Without Us." A discounted e-book version is available here: https://amzn.to/2QwSPyHUploaded 17-09-18Check out our book rec page to learn more: https://shop.ed.ted.com/products/the-world-without-usView full lesson: https://ed.ted.com/lessons/what-would-happen-if-every-human-suddenly-disappeared-dan-kwartlerHuman beings are everywhere....

Check out our Patreon page: https://www.patreon.com/tededUploaded 18-09-18View full lesson: https://ed.ted.com/lessons/why-should-you-read-edgar-allan-poe-scott-peeplesThe prisoner strapped under a descending pendulum blade. A raven who refuses to leave the narrator’s chamber. A beating heart buried under the floorboards. Poe’s macabre and innovative stories of gothic horror have left a timeless m...

Download a free audiobook version of "The Hitchhiker's Guide to the Galaxy" and support TED-Ed's nonprofit mission: https://adbl.co/2xqDYxYUploaded 20-09-18Check out our full book recommendation: https://shop.ed.ted.com/products/a-hitchhikers-guide-to-the-galaxyView full lesson: https://ed.ted.com/lessons/could-the-earth-be-swallowed-by-a-black-hole-fabio-pacucciFrom asteroids capable of destroyin...

Practice more problem-solving at https://brilliant.org/TedEd/Solution to Bonus Riddle: https://brilliant.org/TedEd3ColorCube/Uploaded 24-09-18Your team has developed a probe to study an alien monolith. It needs protective coatings — in red, purple or green — to cope with the environments it passes through. Can you figure out how to apply the colors so the probe survives the trip? Dan Finkel shows...

View full lesson: http://ed.ted.com/lessons/what-does-the-liver-do-emma-bryceUploaded 25-11-14There’s a factory inside you that weighs about 1.4 kilograms and runs for 24 hours a day. It’s your liver: the heaviest organ in your body, which simultaneously acts as a storehouse, a manufacturing hub, and a processing plant. Emma Bryce gives a crash course on the liver and how it helps keep us alive. L...

Check out our Patreon page: https://www.patreon.com/tededUploaded 25-09-18View full lesson: https://ed.ted.com/lessons/the-myth-of-hercules-12-labors-in-8-bits-alex-gendlerHercules — son of Zeus and champion of humankind — stricken with a temporary curse of madness, has just committed the most unspeakable crime imaginable. Seeking to atone for the deaths of his family, Hercules must complete twelv...