What causes headaches? – Dan Kwartler
Download a free audiobook and support TED-Ed’s nonprofit mission: https://adbl.co/2Hejwql Check out Oliver Sacks’s ̶...
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How the food you eat affects your gut – Shilpa Ravella
View full lesson: http://ed.ted.com/lessons/how-the-food-you-eat-affects-your-gut-shilpa-ravella The bacteria in our guts can break...
How did Dracula become the world’s most famous vampire? – Stanley Stepanic
View full lesson: http://ed.ted.com/lessons/how-did-dracula-become-the-world-s-most-famous-vampire-stanley-stepanic Over a hundred y...
How smart are dolphins? – Lori Marino
View full lesson: http://ed.ted.com/lessons/how-smart-are-dolphins-lori-marino Dolphins are one of the smartest animal species on Ea...
The physics of the “hardest move” in ballet – Arleen Sugano
View full lesson: http://ed.ted.com/lessons/the-physics-of-the-hardest-move-in-ballet-arleen-sugano In the third act of “Swan...
A brief history of goths – Dan Adams
View full lesson: http://ed.ted.com/lessons/a-brief-history-of-goths-dan-adams What do fans of atmospheric post-punk music have in c...
A brief history of chess – Alex Gendler
Trace the storied history of the game of chess, from its origins in 7th century India to the computer software we use today. —...
Would you opt for a life with no pain? – Hayley Levitt and Bethany Rickwald
View full lesson: http://ed.ted.com/lessons/would-you-opt-for-a-life-with-no-pain-hayley-levitt-and-bethany-rickwald Imagine if you...
How do you know you exist? – James Zucker
View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zucker How do you know you’re real? Is existence all jus...
How a single-celled organism almost wiped out life on Earth – Anusuya Willis
View full lesson: http://ed.ted.com/lessons/how-a-single-celled-organism-almost-wiped-out-life-on-earth-anusuya-willis There’s an or...