Why is Mount Everest so tall? – Michele Koppes
View full lesson: http://ed.ted.com/lessons/why-is-mount-everest-so-tall-michele-koppes At 8,850 meters above sea level, Qomolangma,...
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How does your brain respond to pain? – Karen D. Davis
View full lesson: http://ed.ted.com/lessons/how-does-your-brain-respond-to-pain-karen-d-davis Ouch! Everyone experiences pain —...
Why do airlines sell too many tickets? – Nina Klietsch
View full lesson on ed.ted.com: http://ed.ted.com/lessons/why-do-airlines-sell-too-many-tickets-nina-klietsch Have you ever sat in a...
Why do some people go bald? – Sarthak Sinha
View full lesson: http://ed.ted.com/lessons/why-do-some-people-go-bald-sarthak-sinha What do Charles Darwin, Michael Jordan, and Yod...
Should you trust your first impression? – Peter Mende-Siedlecki
View full lesson: http://ed.ted.com/lessons/should-you-trust-your-first-impression-peter-mende-siedlecki You can’t help it; so...
How to understand power – Eric Liu
View full lesson: http://ed.ted.com/lessons/how-to-understand-power-eric-liu Every day, we move and operate within systems of power...
What causes bad breath? – Mel Rosenberg
View full lesson: http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenberg Halitosis is a curse that has plagued humanity sinc...
Jellyfish predate dinosaurs. How have they survived so long? – David Gruber
View full lesson: http://ed.ted.com/lessons/jellyfish-predate-dinosaurs-how-have-they-survived-so-long-david-gruber Some are longer...
Myths and misconceptions about evolution – Alex Gendler
View full lesson: http://ed.ted.com/lessons/myths-and-misconceptions-about-evolution-alex-gendler How does evolution really work? Ac...
A brief history of cannibalism – Bill Schutt
Human cannibalism is a lot more common than you might think. Dive into its complex history and see its uses in medicine, cultural ri...