TED Ed

Can you solve the dark coin riddle? - Lisa Winer

Practice more problem-solving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededcoinflip Y...

How to manage your time more effectively (according to machines) - Brian Christian

Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2lFSkUw Check out Brian Christian and Tom Griffiths' "Algorithms to L...

Can you solve the egg drop riddle? - Yossi Elran

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/can-you-solve-the-egg-drop-riddle-yossi-elran T...

Who's at risk for colon cancer? - Amit H. Sachdev and Frank G. Gress

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/who-s-at-risk-for-colon-cancer-amit-h-sachdev-a...

Why is it so hard to cure cancer? - Kyuson Yun

Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2gauxND Check out Siddhartha Mukherjee's "The Emperor of All Maladies...

How does your body know you're full? - Hilary Coller

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-does-your-body-know-you-re-full-hilary-coll...

History’s deadliest colors - J. V. Maranto

View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered, its luminous green color inspired...

Why incompetent people think they're amazing - David Dunning

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-incompetent-people-think-they-re-amazing-da...

The myth of Prometheus - Iseult Gillespie

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-prometheus-iseult-gillespie Before ...

Can you solve the virus riddle? - Lisa Winer

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-virus-riddle-lisa-winer Your research team has found a prehistoric virus preserved in th...

How your digestive system works - Emma Bryce

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-your-digestive-system-works-emma-bryce Acro...

Are ghost ships real? - Peter B. Campbell

View full lesson: http://ed.ted.com/lessons/are-ghost-ships-real-peter-b-campbell Please note: we are currently working on a fix for an error spotted ...

How does caffeine keep us awake? - Hanan Qasim

View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100000 metric tons of caffeine are consumed around the wo...

The myth of Oisín and the land of eternal youth - Iseult Gillespie

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-oisin-and-the-land-of-eternal-youth...

Where do math symbols come from? - John David Walters

Sign up for our newsletter here: https://ed.ted.com/newsletter View full lesson: https://ed.ted.com/lessons/where-do-math-symbols-come-from-john-david...

The language of lying — Noah Zandan

View full lesson: http://ed.ted.com/lessons/the-language-of-lying-noah-zandan We hear anywhere from 10 to 200 lies a day. And although we've spent muc...

The tragic myth of Orpheus and Eurydice - Brendan Pelsue

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-tragic-myth-of-orpheus-and-eurydice-brendan...

How does your immune system work? - Emma Bryce

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-does-the-immune-system-work-emma-bryce The ...

What happens during a heart attack? - Krishna Sudhir

View full lesson: http://ed.ted.com/lessons/what-happens-during-a-heart-attack-krishna-sudhir Approximately seven million people around the world die ...

Where do superstitions come from? - Stuart Vyse

View full lesson: http://ed.ted.com/lessons/where-do-superstitions-come-from-stuart-vyse Are you afraid of black cats? Would you open an umbrella indo...

Can you solve the fish riddle? - Steve Wyborney

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-fish-riddle-steve-wyborney As the cargo director on the maiden voyage of the S.S. Buoyan...

How did Hitler rise to power? - Alex Gendler and Anthony Hazard

View full lesson: http://ed.ted.com/lessons/how-did-hitler-rise-to-power-alex-gendler-and-anthony-hazard Decades after the fall of the Third Reich, it...

What would happen if you didn’t drink water? - Mia Nacamulli

View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-drink-water-mia-nacamulli Water is essentially everywhere in our world, an...

Is it bad to hold your pee? - Heba Shaheed

View full lesson: http://ed.ted.com/lessons/is-it-bad-to-hold-your-pee-heba-shaheed Humans should urinate at least four to six times a day, but occasi...