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TED-Ed
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TED-Ed
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Why is yawning contagious? - Claudia Aguirre
View full lesson: http://ed.ted.com/lessons/why-is-yawning-contagious-claud...
*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the r... -
TED-Ed
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The fight for the right to vote in the United States - Nicki Beaman Griffin
View full lesson: http://ed.ted.com/lessons/the-fight-for-the-right-to-vote...
In the United States today, if you are over eighteen, a citizen, and the resid...- CC
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TED-Ed
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The deadly irony of gunpowder - Eric Rosado
View full lesson: http://ed.ted.com/lessons/the-deadly-irony-of-gunpowder-e...
In the mid-ninth century, Chinese chemists, hard at work on an immortality potion, instead invented gunpowder....- CC
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TED-Ed
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Mysteries of vernacular: Robot - Jessica Oreck and Rachael Teel
View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-robot-j...
In 1920, Czech writer Karel Čapek wrote a play about human-like machines, thereby inventing...- CC
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TED-Ed
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Thank you! Glad you enjoyed it. Nadav, Moran, Michael and Alex worked really hard to bring this lesson to life. Happy Halloween!
Vampires: Folklore, fantasy and fact - Michael Molina
View full lesson: http://ed.ted.com/lessons/vampires-folklore-fantasy-and-f...
The myth of the bloodsucking vampire has stalked humans from ancient Mesopotamia to 18th-century Easte... -
TED-Ed
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How we conquered the deadly smallpox virus - Simona Zompi
View full lesson: http://ed.ted.com/lessons/how-we-conquered-the-deadly-sma...
For 10,000 years, humanity suffered from the scourge of smallpox. The virus killed almost a thir...- CC
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TED-Ed
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The strengths and weaknesses of acids and bases - George Zaidan and Charles Morton
View full lesson: http://ed.ted.com/lessons/the-strengths-and-weaknesses-of...
Vinegar may have a powerful smell, but did you know it's actually a wea...- CC
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TED-Ed
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Why does ice float in water? - George Zaidan and Charles Morton
View full lesson: http://ed.ted.com/lessons/why-does-ice-float-in-water-geo...
Water is a special substance for several reasons, and you may have noticed an important one...- CC
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TED-Ed
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Is time travel possible? - Colin Stuart
View full lesson: http://ed.ted.com/lessons/time-travel-and-einstein-s-spec...
Time travel is a staple of science fiction stories, but is it actually possible? It turns ou...- CC
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TED-Ed
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Mysteries of vernacular: Ukulele - Jessica Oreck and Rachael Teel
View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-ukulele...
When 19th century Portuguese travelers landed in Hawaii with a small four-stringed guitar...- CC
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TED-Ed
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10 Facts About Great White Sharks
- by Veritasium
- 3 weeks ago
- 1,816,250 views
Remarkably little is known about great white sharks, but they are similar to humans in a lot of ways - they give birth to live young, maintain a higher body temperature than their surroundings and ...- CC
- by Veritasium
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TED-Ed
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What is the shape of a molecule? - George Zaidan and Charles Morton
View full lesson: http://ed.ted.com/lessons/what-is-the-shape-of-a-molecule...
A molecule is nearly all empty space, apart from the extremely dense nuclei of its atom...- CC
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TED-Ed
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How atoms bond - George Zaidan and Charles Morton
View full lesson: http://ed.ted.com/lessons/how-atoms-bond-george-zaidan-an...
Atoms can (and do) bond constantly; it's how they form molecules. Sometimes, in an atomic tug-of-war, on...- CC
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TED-Ed
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The uncertain location of electrons - George Zaidan and Charles Morton
View full lesson: http://ed.ted.com/lessons/the-uncertain-location-of-elect...
The tiny atoms that make up our world are made up of even tinier protons, neutrons...- CC
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TED-Ed
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Why don't oil and water mix? - John Pollard
View full lesson: http://ed.ted.com/lessons/why-don-t-oil-and-water-mix-joh...
Salt dissolves in water; oil does not. But why? You can think of that glass of water as a big, bumpin' dance pa...- CC
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TED-Ed
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The science of stage fright (and how to overcome it) - Mikael Cho
View full lesson: http://ed.ted.com/lessons/the-science-of-stage-fright-and...
Heart racing, palms sweating, labored breathing? No, you're not having a heart attack -- i...- CC
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TED-Ed
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Why extremophiles bode well for life beyond Earth - Louisa Preston
View full lesson: http://ed.ted.com/lessons/why-extremophiles-bode-well-for...
Life on Earth requires three things: liquid water, a source of energy within a habitabl...- CC
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TED-Ed
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How art can help you analyze - Amy E. Herman
View full lesson: http://ed.ted.com/lessons/how-art-can-help-you-analyze-am...
Can art save lives? Not exactly, but our most prized professionals (doctors, nurses, police officers) can lear...- CC
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TED-Ed
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Speech acts: Constative and performative - Colleen Glenney Boggs
View full lesson: http://ed.ted.com/lessons/speech-acts-constative-and-perf...
When are words just words, and when do words force action? Linguist J.L. Austin divided wo...- CC
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TED-Ed
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Politics and Numbers - Numberphile
- by Numberphile
- 1 month ago
- 141,929 views
Do political beliefs affect mathematical ability!?
Featuring Dr James Grime. Here is the paper referred to: http://bit.ly/wrecksmath
Maths vs Math: http://bit.ly/MathorMaths
Brown papers: http:/... - by Numberphile
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TED-Ed
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The most groundbreaking scientist you've never heard of - Addison Anderson
View full lesson: http://ed.ted.com/lessons/the-most-groundbreaking-scienti...
Seventeenth-century Danish geologist Nicolas Steno earned his chops at a young ...- CC
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TED-Ed
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Kabuki: The people's dramatic art - Amanda Mattes
View full lesson: http://ed.ted.com/lessons/kabuki-the-people-s-dramatic-ar...
The Japanese dance and theater art of kabuki, derived from the word kabuku, meaning "out of the ordinary,...- CC
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TED-Ed
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Are Elvish, Klingon, Dothraki and Na'vi real languages? - John McWhorter
View full lesson: http://ed.ted.com/lessons/are-elvish-klingon-dothraki-and...
What do Game of Thrones' Dothraki, Avatar's Na'vi, Star Trek's Klingon and LOTR's El...- CC
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TED-Ed
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Birth of a nickname - John McWhorter
View full lesson: http://ed.ted.com/lessons/birth-of-a-nickname-john-mcwhorter
Where do nicknames come from? Why are Ellens called Nellie and Edwards Ned? It's all a big misunderstanding from the ...- CC
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TED-Ed
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The physics of sperm vs. the physics of sperm whales - Aatish Bhatia
View full lesson: http://ed.ted.com/lessons/human-sperm-vs-the-sperm-whale-...
Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made of.....- CC
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What is love? - Brad Troeger
View full lesson: http://ed.ted.com/lessons/what-is-love-brad-troeger
Is love a signal winding through your neural pathways? A cliche? A cult? Love is easy to compare but difficult to define, mayb...- CC
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TED-Ed
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Light waves, visible and invisible - Lucianne Walkowicz
View full lesson: http://ed.ted.com/lessons/light-waves-visible-and-invisib...
Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the fu...- CC
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TED-Ed
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Bird migration, a perilous journey - Alyssa Klavans
View full lesson: http://ed.ted.com/lessons/bird-migration-a-perilous-journ...
Nearly 200 species of songbirds migrate south for winter, some traveling up to 7,000 miles. No easy tas...- CC
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TED-Ed
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Disappearing frogs - Kerry M. Kriger
View full lesson: http://ed.ted.com/lessons/disappearing-frogs-kerry-m-kriger
Frogs (and amphibians in general) are in danger -- worldwide, nearly one-third of the world's amphibian species are on...- CC
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TED-Ed
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Natural pest control ... using bugs! - Shimon Steinberg
View full lesson: http://ed.ted.com/lessons/natural-pest-control-using-bugs...
Shimon Steinberg looks at the difference between pests and bugs -- and makes the case for using good bu... -
TED-Ed
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America's native prisoners of war - Aaron Huey
View full lesson: http://ed.ted.com/lessons/america-s-native-prisoners-of-w...
Aaron Huey's effort to photograph poverty in America led him to the Pine Ridge Indian Reservation, where th... -
TED-Ed
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Urbanization and the evolution of cities across 10,000 years - Vance Kite
View full lesson: http://ed.ted.com/lessons/urbanization-and-the-future-of-...
About 10,000 years ago, hunter-gatherers, aided by rudimentary agriculture, moved to semi-permanent vil...- CC
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TED-Ed
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What are stem cells? - Craig A. Kohn
View full lesson: http://ed.ted.com/lessons/what-are-stem-cells-craig-a-kohn
Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated ...- CC
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TED-Ed
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A trip through space to calculate distance - Heather Tunnell
View full lesson: http://ed.ted.com/lessons/a-trip-through-space-to-calcula...
Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien...- CC
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TED-Ed
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Cicadas: The dormant army beneath your feet - Rose Eveleth
View full lesson: http://ed.ted.com/lessons/cicadas-the-dormant-army-beneat...
Every 13 or 17 years, billions of cicadas emerge from the ground to molt, mate and die. Adult ci...- CC
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TED-Ed
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The moon illusion - Andrew Vanden Heuvel
View full lesson: http://ed.ted.com/lessons/the-moon-illusion-andrew-vanden...
Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are e...- CC
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TED-Ed
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Phone Buttons - Numberphile
- by Numberphile
- 2 months ago
- 254,237 views
Get a free book from Audible: http://www.audible.com/numberphile
Why are phone buttons laid out as they are? Sarah Wiseman discusses.
Sarah tweets at: https://twitter.com/oopsohno
Website: http:/... - by Numberphile
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TED-Ed
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Why do Americans and Canadians celebrate Labor Day? - Kenneth C. Davis
View full lesson: http://ed.ted.com/lessons/why-do-americans-and-canadians-...
In the United States and Canada, the first Monday of September is a federal holiday, ... -
TED-Ed
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How to step up in the face of disaster - Caitria + Morgan O'Neill
After a natural disaster strikes, there's only a tiny window of opportunity to rally effective recovery efforts before the world turns their attention elsewhere. Who should be in charge? When a fre... -
TED-Ed
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A teacher growing green in the South Bronx - Stephen Ritz
A whirlwind of energy and ideas, Stephen Ritz is a teacher in New York's tough South Bronx, where he and his kids grow lush gardens for food, greenery -- and jobs. Just try to keep up with this New...- CC
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TED-Ed
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The future race car -- 150mph, and no driver - Chris Gerdes
Autonomous cars are coming -- and they're going to drive better than you. Chris Gerdes reveals how he and his team are developing robotic race cars that can drive at 150 mph while avoiding every po... -
TED-Ed
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What's your 200-year plan? - Raghava KK
You might have a 5-year plan, but what about a 200-year plan? Artist Raghava KK has set his eyes on an ultra-long-term horizon; at TEDxSummit, he shows how it helps guide today's choices and tomorr... -
TED-Ed
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Four ways to understand the Earth's age - Joshua M. Sneideman
View full lesson: http://ed.ted.com/lessons/the-earth-s-age-in-measurements...
The Earth is 4.6 billion years old -- but how can humans relate to a number so col...- CC
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TED-Ed
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Reinventing the encyclopedia game - Rives
Prompted by the Encyclopaedia Britannica ending its print publication, performance poet Rives resurrects a game from his childhood. Speaking at the TEDxSummit in Doha, Rives takes us on a charming ... -
TED-Ed
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What is déjà vu? What is déjà vu? - Michael Molina
View full lesson: http://ed.ted.com/lessons/what-is-deja-vu-what-is-deja-vu...
You might have felt it -- the feeling that you've experienced something before, but, in reality, the expe...- CC
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TED-Ed
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The Higgs Field, explained - Don Lincoln
View full lesson: http://ed.ted.com/lessons/the-higgs-field-explained-don-l...
One of the most significant scientific discoveries of the early 21st century is surely the Higgs boson, but the bo...- CC
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TED-Ed
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Gravity and the human body - Jay Buckey
View full lesson: http://ed.ted.com/lessons/gravity-and-the-human-body-jay-...
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth...- CC
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TED-Ed
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The 3 A's of awesome - Neil Pasricha
View full lesson: http://ed.ted.com/lessons/the-3-a-s-of-awesome-neil-pasricha
Neil Pasricha's blog 1000 Awesome Things savors life's simple pleasures, from free refills to clean sheets. In this h...