The evolution of the book – Julie Dreyfuss
View full lesson: http://ed.ted.com/lessons/the-evolution-of-the-book-julie-dreyfuss What makes a book a book? Is it just anything t...
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What is obesity? – Mia Nacamulli
View full lesson: http://ed.ted.com/lessons/what-is-obesity-mia-nacamulli Obesity is an escalating global epidemic. It substantially...
How Braille was invented | Moments of Vision 9 – Jessica Oreck
View full lesson: http://ed.ted.com/lessons/how-braille-was-invented-moments-of-vision-9-jessica-oreck Today, Braille is the univers...
Your body language shapes who you are – Amy Cuddy
View full lesson: http://ed.ted.com/lessons/your-body-language-shapes-who-you-are-amy-cuddy Body language affects how others see us,...
The secret messages of Viking runestones – Jesse Byock
Learn the history of Viking runes, the ancient Norse language of symbols that make up an alphabet called the futhark. — With t...
How do scars form? – Sarthak Sinha
View full lesson: http://ed.ted.com/lessons/how-do-scars-form-sarthak-sinha It’s hard to escape childhood without racking up a few s...
How one scientist took on the chemical industry – Mark Lytle
Discover the groundbreaking environmental work of Rachel Carson, whose book “Silent Spring” explores how human actions threaten the...
How we see color – Colm Kelleher
View full lesson: http://ed.ted.com/lessons/how-we-see-color-colm-kelleher There are three types of color receptors in your eye: red...
Which sunscreen should you choose? – Mary Poffenroth
View full lesson: http://ed.ted.com/lessons/which-sunscreen-should-you-choose-mary-poffenroth Sunscreen comes in many forms, each wi...
What’s hidden among the tallest trees on Earth? – Wendell Oshiro
View full lesson: http://ed.ted.com/lessons/what-s-hidden-among-the-tallest-trees-on-earth-wendell-oshiro When Stephen Sillett was a...