Could human civilization spread across the whole galaxy? – Roey Tzezana
View full lesson: http://ed.ted.com/lessons/could-human-civilization-spread-across-the-whole-galaxy-roey-tzezana Could human civiliz...
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The history of African-American social dance – Camille A. Brown
View full lesson: http://ed.ted.com/lessons/the-history-of-african-american-social-dance-camille-a-brown Why do we dance? African-Am...
The history of the Cuban Missile Crisis – Matthew A. Jordan
View full lesson: http://ed.ted.com/lessons/the-history-of-the-cuban-missile-crisis-matthew-a-jordan Imagine going about your life k...
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...
How to use rhetoric to get what you want – Camille A. Langston
View full lesson: http://ed.ted.com/lessons/how-to-use-rhetoric-to-get-what-you-want-camille-a-langston How do you get what you want...
How do contraceptives work? – NWHunter
View full lesson: http://ed.ted.com/lessons/how-do-contraceptives-work-nwhunter Contraceptives are designed to prevent pregnancy in...
Aphasia: The disorder that makes you lose your words – Susan Wortman-Jutt
View full lesson: http://ed.ted.com/lessons/aphasia-the-disorder-that-makes-you-lose-your-words-susan-wortman-jutt Language is an es...
What is a vector? – David Huynh
View full lesson: http://ed.ted.com/lessons/what-is-a-vector-david-huynh Physicists, air traffic controllers, and video game creator...
How the Band-Aid was invented | Moments of Vision 3 – Jessica Oreck
View full lesson: http://ed.ted.com/lessons/how-the-band-aid-was-invented-moments-of-vision-3-jessica-oreck It is estimated that Joh...
Is graffiti art? Or vandalism? – Kelly Wall
View full lesson: http://ed.ted.com/lessons/a-brief-history-of-graffiti-kelly-wall Spray-painted subway cars, tagged bridges, mural-...