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How did detectives unravel the case of the bloody motel? - Theodore E. Yeshion
Learn more at https://brilliant.org/TedEd
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Scanning the crime scene, Officer Stone sees a disorderly room, visible red-brown stains and a partial sho…
1 week, 3 days ago
Is marijuana bad for your brain? - Anees Bahji
Explore how marijuana’s two main active compounds, THC and CBD, affect your brain and body, and what risk factors to watch out for.
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In 1970, mariju…
1 week, 3 days ago
The dark legacy of the Paris Catacombs - Stephanie H. Smith
Take a tour of the vast, underground network of the Paris Catacombs, and find out how this 18th century cemetery came to be.
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For centuries, Parisian…
1 week, 3 days ago
Inside the Egyptian revolution - Wael Ghonim
Wael Ghonim is the Google executive who helped jumpstart Egypt's democratic revolution ... with a Facebook page memorializing a victim of the regime'…
1 week, 3 days ago
How the heart actually pumps blood - Edmond Hui
View full lesson: http://ed.ted.com/lessons/how-the-heart-actually-pumps-blood-edmond-hui
For most of history, scientists weren't quite sure why our h…
1 week, 3 days ago
Can you solve the cheating royal riddle? - Dan Katz
Practice more problem-solving at https://brilliant.org/TedEd/
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You’re the chief advisor to an eccentric king who needs to declare his successor. He w…
1 week, 3 days ago
How the world’s tallest skyscraper was built - Alex Gendler
Discover the engineering innovations that made building Burj Khalifa, the world’s tallest skyscraper, possible.
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In 2004, construction began on a new…
1 week, 3 days ago
How pandemics travel
Dig into the history of pandemics to learn how viruses and disease spreads and what we can do to stop future outbreaks.
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In our increasingly globaliz…
1 week, 3 days ago
Why are airplanes slower than they used to be? - Alex Gendler
Why aren’t commercial flights getting faster? Dig into the technological and environmental problems facing supersonic flight.
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In 1996, a British Ai…
1 week, 3 days ago
What's below the tip of the iceberg? - Camille Seaman
View full lesson: http://ed.ted.com/lessons/what-s-below-the-tip-of-the-iceberg-camille-seaman
It's a well-known fact that the majority of an iceberg …
1 week, 3 days ago