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View full lesson: http://ed.ted.com/lessons/the-science-of-spiciness-rose-eveleth When you take a bite of a hot pepper, your body ...

Explore the psychology behind imposter syndrome, and get tips on how you can combat feelings of doubt in your ...

Take a look at what makes rabies the most lethal infectious disease, and what measures you should take if you're exposed to it.

Explore the history of Venice to find out how the infamous floating city was built and how the republic became a hub for trade.

Discover the benefits of walking, and how this simple exercise can positively impact the health of your body and brain. -- For years ...

Dig into the body's biological process that heals a broken bone, and find out how different kinds of fractures are mended.

Explore how pulling an all-nighter can impact your cognitive function, and find out what happens to your brain when you don't ...

Explore the history of humanity's deadliest diseases, and find out how our progress and innovation exposed us to new pathogens.

Dig into the psychological benefits of positive self-talk, and find out when it can become problematic. -- Being caught talking to ...

Check out our Patreon page: https://www.patreon.com/teded View full lesson: ...

Follow a neurosurgeon's attempts to perform a head transplant, and dig into the ethical and biological questions the procedure ...

View full lesson: http://ed.ted.com/lessons/why-sitting-is-bad-for-you-murat-dalkilinc Sitting down for brief periods can help us ...

Check out our Patreon page: https://www.patreon.com/teded View full lesson: ...

View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isn't just a personality type ...

Explore the benefits and challenges of using self-directed play-based learning models in schools. -- Before the last few centuries, ...

Learn more at https://brilliant.org/TedEd -- When reading "Alice's Adventures in Wonderland," most readers visualize the queen's ...

View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100000 metric tons of caffeine ...

Explore how Salmonella spreads from chickens to humans, and learn how this crafty microscopic pathogen makes us sick.

View full lesson: http://ed.ted.com/lessons/the-benefits-of-a-good-night-s-sleep-shai-marcu It's 4am, and the big test is in 8 hours.

At what age are you smartest? Dig into how your brain development affects your skills at different stages of your life. -- Tomorrow ...