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Why do we cry? The three types of tears - Alex Gendler
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View full lesson: http://ed.ted.com/lessons/why-do-we-cry-the-three-types-of-tears-alex-gend…
2 weeks, 2 days ago
How to recognize if you're self-interested (and whether that's actually harmful) - Mark Hopwood
Explore a classic philosophical debate and decide: is it human nature to be selfish? And if so, is it possible to overcome it?
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The question of wheth…
2 weeks, 2 days ago
Why is "The Scream" crying out? - Noah Charney
Explore Edvard Munch’s masterpiece “The Scream,” and find out why this artwork became one of the world’s most famous paintings.
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An undulating sky me…
2 weeks, 2 days ago
How YouTube understands copyright - Margaret Gould Stewart
Margaret Gould Stewart, YouTube's head of user experience, talks about how the ubiquitous video site works with copyright holders and creators to fos…
2 weeks, 2 days ago
The myth of Loki and the deadly mistletoe - Iseult Gillespie
Discover the Norse myth of Baldur, the most beloved being in Asgard, and how the trickster god Loki plotted his death.
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Baldur was the gentlest and …
2 weeks, 2 days ago
What is MSG, and is it actually bad for you? - Sarah E. Tracy
Dig into the seasoning known as MSG, and find out how this flavoring was developed and if it’s actually bad for your health.
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In 1968, Dr. Robert Ho …
2 weeks, 2 days ago
How economic inequality harms societies - Richard Wilkinson
We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, an…
2 weeks, 2 days ago
The structure behind self-deception - Michael Shermer
View full lesson: http://ed.ted.com/lessons/the-pattern-behind-self-deception-michael-shermer
Michael Shermer says the human tendency to believe stran…
2 weeks, 2 days ago
The most common STI in the world - Emma Bryce
Get informed on the causes and risks of human papillomavirus, HPV, and how to protect yourself from the infection.
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At some point, most sexually acti…
2 weeks, 2 days ago
A prosthetic arm that "feels" - Todd Kuiken
Physiatrist and engineer Todd Kuiken is building a prosthetic arm that connects with the human nervous system -- improving motion, control and even f…
2 weeks, 2 days ago