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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…
2 weeks, 2 days ago
What is rhetorical irony? - Christopher Warner
View full lesson: http://ed.ted.com/lessons/what-is-verbal-irony-christopher-warner
At face value, the lines between verbal irony, sarcasm, and compli…
2 weeks, 2 days ago
thinkers on anger - Delaney Thull
Explore different philosophers’ ideas about anger and dig into their theories on how we should handle this complicated emotion.
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Anger is a complicat…
2 weeks, 2 days ago
Visualizing secret worlds inside your body - Dee Breger
View full lesson: http://ed.ted.com/lessons/visualizing-hidden-worlds-inside-your-body-dee-breger
How do we see things too small to be detected by the…
2 weeks, 2 days ago
How we found the giant squid - Edith Widder
Humankind has been looking for the giant squid (Architeuthis) since we first started taking pictures underwater. But the elusive deep-sea predator co…
2 weeks, 3 days ago
We need better drugs -- now - Francis Collins
Today we know the molecular cause of 4,000 diseases, but treatments are available for only 250 of them. So what's taking so long? Geneticist and phys…
2 weeks, 3 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…
2 weeks, 3 days ago
You could have a secret twin (but not the way you think) - Kayla Mandel Sheets
Download a free audiobook version of “The Vanishing Half“ and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed
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While searching for…
2 weeks, 3 days ago
What is the universe made of? - Dennis Wildfogel
View full lesson: http://ed.ted.com/lessons/what-is-the-universe-made-of-dennis-wildfogel
The atoms around you have existed for billions of years -- a…
2 weeks, 3 days ago
The real history behind the legend of the 47 Rōnin - Adam Clulow
Dig into one of Japan’s most infamous stories about the 47 samurai who take revenge for the loss of their leader.
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Asano Naganori, lord of Akō domain…
2 weeks, 3 days ago