Why are there so many types of apples? – Theresa Doud
View full lesson: http://ed.ted.com/lessons/why-are-there-so-many-types-of-apples-theresa-doud Have you ever walked into a grocery s...
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Why are we so attached to our things? – Christian Jarrett
View full lesson: http://ed.ted.com/lessons/why-are-we-so-attached-to-our-things-christian-jarrett After witnessing the “violent rag...
Why aren’t we only using solar power? – Alexandros George Charalambides
View full lesson: http://ed.ted.com/lessons/why-aren-t-we-only-using-solar-power-alexandros-george-charalambides Solar power is chea...
Why Can’t We See Evidence of Alien Life?
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older...
Why can’t you divide by zero? – TED-Ed
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-can-t-you-divide-by-zero...
Why democracy matters – Rory Stewart
The public is losing faith in democracy, says British MP Rory Stewart. Iraq and Afghanistan’s new democracies are deeply corru...
Why do airlines sell too many tickets? – Nina Klietsch
View full lesson on ed.ted.com: http://ed.ted.com/lessons/why-do-airlines-sell-too-many-tickets-nina-klietsch Have you ever sat in a...
Why do Americans and Canadians celebrate Labor Day? -Kenneth C. Davis
View full lesson: http://ed.ted.com/lessons/why-do-americans-and-canadians-celebrate-labor-day-kenneth-c-davis In the United States...
Why do Americans vote on Tuesdays?
Since 1845, Americans have been voting on Tuesdays — but why? In this humorous talk, Jacob Soboroff shares the history of Elec...
Why do animals have such different lifespans? – Joao Pedro de Magalhaes
Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-do-animals-have-such-diffe...