Where do genes come from? – Carl Zimmer
View full lesson: http://ed.ted.com/lessons/where-do-genes-come-from-carl-zimmer When life emerged on Earth about 4 billion years ag...
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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-co...
Where do new words come from? – Marcel Danesi
Check out the Mysteries of Vernacular series: https://ed.ted.com/mysteries-of-vernacular View full lesson: https://ed.ted.com/lesson...
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 ope...
Where does gold come from? – David Lunney
View full lesson: http://ed.ted.com/lessons/where-does-gold-come-from-david-lunney Did you know that gold is extraterrestrial? Inste...
Where is home? – Pico Iyer
More and more people worldwide are living in countries not considered their own. Writer Pico Iyer — who himself has three or f...
Where we get our fresh water – Christiana Z. Peppard
View full lesson: http://ed.ted.com/lessons/where-we-get-our-fresh-water-christiana-z-peppard Fresh water accounts for only 2.5% of...
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Which is better: Soap or hand sanitizer? – Alex Rosenthal and Pall Thordarson
Dig into the science of how soap breaks down a coronavirus, and the effectiveness of hand sanitizer against a viral outbreak. —...
Which is stronger: Glue or tape? – Elizabeth Cox
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/which-is-stronger-glue-or-tap...
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...