TED-Ed

View full lesson: http://ed.ted.com/lessons/the-popularity-plight-and-poop-of-penguins-dyan-denapoliPenguins are odd birds. For one, they cannot fly (but they are amazing swimmers), and, contrary to popular belief, the majority of penguin populations live in warmer waters. But these beloved birds are in danger, with populations declining up to 90%. Dyan deNapoli explains the reasons behind the dec...

Dig into the science of coronaviruses and find out how they cause diseases such as SARS, MERS, and COVID-19. --For almost a decade, scientists chased the source of a deadly new virus through China’s tallest mountains and most isolated caverns. They finally found it in the bats of Shitou Cave. The virus in question was a coronavirus that caused an epidemic of severe acute respiratory syndrome, or S...

Download a free audiobook version of "The Lord of the Rings: The Fellowship of the Ring" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-edCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/kalevala--After a skirmish at sea and long days of being battered by waves, Väinämöinen— a powerful bard as old as the world its...

View full lesson: http://ed.ted.com/lessons/shakespearean-dating-tips-anthony-john-petersBeyond giving the world dozens of English language masterpieces and inventing countless words (including the word countless), William Shakespeare, ever the overachieving bard, especially had a way with the romantic turn of phrase. Anthony John Peters explains why Shakespeare's coy use of metaphor was so effect...

View full lesson: http://ed.ted.com/lessons/the-true-story-of-true-gina-cookeThe older the word, the longer (and more fascinating) the story. With roots in Old English, 'true' shares etymological ancestors with words like betroth and truce...but also with the word tree. In fact, trees have been metaphors for steadfastness and faithfulness for as long as the word true has defined the same qualities...

Human beings have been campaigning against inequality and poverty for 3,000 years. But this journey is accelerating. Bono "embraces his inner nerd" and shares inspiring data that shows the end of poverty is in sight ... if we can harness the momentum. Talk by Bono. Learn more about your ad choices. Visit megaphone.fm/adchoices

Dig into Arundhati Roy’s “The God of Small Things,” and follow the story of fraternal twins whose lives are destroyed by society’s “Love Laws.” --Set in a small town in India, “The God of Small Things” revolves around fraternal twins Rahel and Estha, who are separated for 23 years after the fateful hours in which their cousin drowns, their mother’s affair is revealed, and her lover is murdered. Th...

Dig into two testing techniques for viruses: PCR tests to diagnose an infection and immunoassays to detect antibodies. --A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who’s been infected. Two main viral testing techniques are critical: one tells you if you have the virus and the other shows if you’ve already had it. So, how exactly...

The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and planets), but mostly dark matter and dark energy; and we know that it's expanding constantly, so that all stars will eventually burn out into a cold nothingness. But is there any beauty in this dark ending? Animation by Giant Animat...

Practice more problem-solving at https://brilliant.org/TedEd/--The evil wizard MoldeVort has been trying to kill you for years, and today it looks like he’s going to succeed. But your friends are on their way, and if you can survive until they arrive, they should be able to help stop him. Can you keep MoldeVort trapped long enough for help to arrive? Dan Finkel shows how. Lesson by Dan Finkel, dir...

Follow two astronauts into outer space to explore time dilation and Einstein’s theory of relativity through the Twin Paradox thought experiment. --On their 20th birthday, identical twin astronauts volunteer for an experiment. Terra will remain on Earth, while Stella will board a spaceship. Stella’s ship will travel to visit a star that is 10 light-years away, then return to Earth. As they prepare...

At Camp Diva, Angela Patton works to help girls and fathers stay connected and in each others' lives. But what about girls whose fathers can't be there -- because they're in jail? Patton tells the story of a very special father-daughter dance. (Filmed at TEDxWomen)Talk by Angela Patton. Learn more about your ad choices. Visit megaphone.fm/adchoices

A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. At TEDxTC Jonathan Foley shows why we desperately need to begin "terraculture" -- farming for the whole planet. (Filmed at TEDxTC.)Talk by Jonathan Foley. Learn more about your ad choices. Visit megaphone.fm/adchoices

The adventure begins! Episode 1: Ethic awakens in a mysterious cell. Can she and robot Hedge solve the programming puzzles blocking their escape?--This is episode 1 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 must solve their...

Take a journey into the respiratory system to see how ventilators bypass constricted airways and help damaged lungs send oxygen to the body. --In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius’s treatise is recognized as the first description of mechanical...

When Sue Austin got a power chair 16 years ago, she felt a tremendous sense of freedom -- yet others looked at her as though she had lost something. In her art, she aims to convey the spirit of wonder she feels wheeling through the world. Includes thrilling footage of an underwater wheelchair that lets her explore ocean beds, drifting through schools of fish, floating free in 360 degrees. (Filmed...

Dig into the historic injustice of Japanese American incarceration camps, also known as internment camps, during World War II. --On December 7, 1941, 16 year-old Aki Kurose shared in the horror of millions of Americans when Japanese planes attacked Pearl Harbor. Unbeknownst to her, this shared experience would soon leave her family and over 120,000 Japanese Americans alienated from their country,...

In the 20th century we added an unprecedented number of years to our lifespans, but is the quality of life as good? Surprisingly, yes! At TEDxWomen psychologist Laura Carstensen shows research that demonstrates that as people get older they become happier, more content, and have a more positive outlook on the world. (Filmed at TEDxWomen.)Talk by Laura Carstensen. Learn more about your ad choices....

When photographed under a 3D microscope, grains of sand appear like colorful pieces of candy and the stamens in a flower become like fantastical spires at an amusement park. Gary Greenberg reveals the thrilling details of the micro world. (Filmed at TEDxMaui.) Talk by Gary Greenberg. Learn more about your ad choices. Visit megaphone.fm/adchoices

Dive into Herman Melville’s classic novel “Moby Dick,” the story of Captain Ahab’s hunt for revenge against the white whale who bit off his leg. --A mountain separating two lakes. A room papered floor to ceiling with bridal satins. The lid of an immense snuffbox. These seemingly unrelated images take us on a tour of a sperm whale’s head in Herman Melville’s "Moby Dick." Though the book features pi...

A poet receives a card with a cryptic message from a third grader. What she uncovers is a perfect little moment of beauty. --An animated interpretation of Aracelis Girmay's poem "For Estefani, Third Grade, Who Made Me A Card"Watch an interview with the poet here: https://youtu.be/RkKZSJGCbyIThis animation is part of our series, "There's a Poem for That," which features animated interpretations of...

Literature has long been fascinated with fostered, adopted and orphaned children, from Moses to Cinderella to Oliver Twist to Harry Potter. So why do many parentless children feel compelled to hide their pasts? Poet and playwright Lemn Sissay tells his own moving story. (Filmed at TEDxHousesofParliament.)Talk by Lemn Sissay. Learn more about your ad choices. Visit megaphone.fm/adchoices

At TEDxCambridge, Michael Norton shares fascinating research on how money can, indeed buy happiness -- when you don't spend it on yourself. Listen for surprising data on the many ways pro-social spending can benefit you, your work, and (of course) other people. (Filmed at TEDxCambridge.)Talk by Michael Norton. Learn more about your ad choices. Visit megaphone.fm/adchoices

Dive into the life of Henry Christophe, a former enslaved person and leader in the Haitian Revolution and the only king of Haiti. --The royal couple of Haiti rode into their coronation to thunderous applause. After receiving his ornate crown, Henry Christophe ascended his throne, towering 20 meters in the air. But little did the cheering onlookers know that the first king of Haiti would also be it...

Download a free audiobook version of "Astrophysics for People in a Hurry" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/astrophysics-for-people-in-a-hurry--You’re cruising down the highway when all of a sudden endless rows of brake lights appear ahead. There’s n...