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Trust, morality -- and oxytocin? - Paul Zak
What drives our desire to behave morally? Neuroeconomist Paul Zak shows why he believes oxytocin (he calls it "the moral molecule") is responsible fo…
3 weeks, 4 days ago
How humanity developed a dependence on coffee - Jonathan Morris
Trace the history of coffee, from its first known origins to its rise in popularity due to trade routes and cultivation.
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One day around 850 CE, a go…
3 weeks, 4 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…
3 weeks, 4 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 …
3 weeks, 4 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…
3 weeks, 4 days ago
The 100,000-student classroom - Peter Norvig
In the fall of 2011 Peter Norvig taught a class with Sebastian Thrun on artificial intelligence at Stanford attended by 175 students in situ -- and o…
3 weeks, 4 days ago
Earth's mysterious red glow, explained - Zoe Pierrat
Explore the phenomenon and uses of chlorophyll fluorescence, a small amount of light emitted by plants during photosynthesis.
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In 2009, a satellite c…
3 weeks, 4 days ago
Printing a human kidney - Anthony Atala
View full lesson: http://ed.ted.com/lessons/printing-a-human-kidney-anthony-atala
Surgeon Anthony Atala demonstrates an early-stage experiment that co…
3 weeks, 4 days ago
Mysteries of vernacular: Quarantine - Jessica Oreck and Rachael Teel
View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-quarantine-jessica-oreck-and-rachael-teel
Stemming from the days of bubonic plague…
3 weeks, 4 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 …
3 weeks, 5 days ago