Why domestic violence victims don’t leave – Leslie Morgan Steiner
Leslie Morgan Steiner was in “crazy love” — that is, madly in love with a man who routinely abused her and threate...
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Why don’t oil and water mix? – John Pollard
View full lesson: http://ed.ted.com/lessons/why-don-t-oil-and-water-mix-john-pollard Salt dissolves in water; oil does not. But why?...
Why don’t perpetual motion machines ever work? – Netta Schramm
Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-don-t-perpetual-motion-mac...
Why elephants never forget – Alex Gendler
View full lesson: http://ed.ted.com/lessons/why-elephants-never-forget-alex-gendler It’s a common saying that elephants never forget...
Why extremophiles bode well for life beyond Earth – Louisa Preston
View full lesson: http://ed.ted.com/lessons/why-extremophiles-bode-well-for-life-beyond-earth-louisa-preston Life on Earth requires...
Why eyewitnesses get it wrong – Scott Fraser
Scott Fraser studies how humans remember crimes — and bear witness to them. In this powerful talk, which focuses on a deadly s...
Why global jihad is losing – Bobby Ghosh
Throughout the history of Islam, says journalist Bobby Ghosh, there have been two sides to jihad: one, internal, a personal struggle...
Why haven’t we cured arthritis? – Kaitlyn Sadtler and Heather J. Faust
Get to know the science behind what causes the stiff, creaky joints of the most common forms of arthritis and what you can do to pre...
Why I must speak out about climate change – James Hansen
View full lesson: http://ed.ted.com/lessons/why-i-must-speak-out-about-climate-change-james-hansen Top climate scientist James Hanse...
Why I’m a weekday vegetarian – Graham Hill
View full lesson: http://ed.ted.com/lessons/why-i-m-a-weekday-vegetarian-graham-hill We all know the arguments that being vegetarian...