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Can you find the next number in this sequence? - Alex Gendler
View full lesson: http://ed.ted.com/lessons/can-you-find-the-next-number-in-this-sequence-alex-gendler 1, 11, 21, 1211, 111221. These are the first five elements ...
How does caffeine keep us awake? - Hanan Qasim
View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100000 metric tons of caffeine are consumed around the world ...
How does fracking work? - Mia Nacamulli
View full lesson: http://ed.ted.com/lessons/how-does-fracking-work-mia-nacamulli Deep underground lie stores of once-inaccessible natural gas. There's a ...
How to spot a misleading graph - Lea Gaslowitz
View full lesson: http://ed.ted.com/lessons/how-to-spot-a-misleading-graph-lea-gaslowitz When they're used well, graphs can help us intuitively grasp complex ...
What causes kidney stones? - Arash Shadman
View full lesson: http://ed.ted.com/lessons/what-causes-kidney-stones-arash-shadman The biggest kidney stone on record weighed more than a kilogram and ...
How do drugs affect the brain? - Sara Garofalo
View full lesson: http://ed.ted.com/lessons/how-do-drugs-affect-the-brain-sara-garofalo Most people will take a pill, receive an injection, or otherwise take some ...
Can you solve the fish riddle? - Steve Wyborney
View full lesson: http://ed.ted.com/lessons/can-you-solve-the-fish-riddle-steve-wyborney As the cargo director on the maiden voyage of the S.S. Buoyant, you've ...
Who built Great Zimbabwe? And why? - Breeanna Elliott
View full lesson: http://ed.ted.com/lessons/who-built-great-zimbabwe-and-why-breeanna-elliott Stretched across a tree-peppered expanse in Southern Africa lies ...
How to squeeze electricity out of crystals - Ashwini Bharathula
View full lesson: http://ed.ted.com/lessons/how-to-squeeze-electricity-out-of-crystals-ashwini-bharathula It might sound like science fiction, but if you press on a ...
The philosophy of Stoicism - Massimo Pigliucci
View full lesson: http://ed.ted.com/lessons/the-philosophy-of-stoicism-massimo-pigliucci What is the best life we can live? How can we cope with whatever the ...
What can you learn from ancient skeletons? - Farnaz Khatibi
View full lesson: http://ed.ted.com/lessons/what-can-you-learn-from-ancient-skeletons-farnaz-khatibi Ancient skeletons can tell us a great deal about the past, ...
The power of creative constraints - Brandon Rodriguez
View full lesson: http://ed.ted.com/lessons/the-power-of-creative-constraints-brandon-rodriguez Imagine you were asked to invent something new. It could be ...
Why do people join cults? - Janja Lalich
View full lesson: http://ed.ted.com/lessons/why-do-people-join-cults-janja-lalich Today, there are thousands of cults around the world. Broadly speaking, a cult is ...
The genius of Marie Curie - Shohini Ghose
View full lesson: http://ed.ted.com/lessons/the-genius-of-marie-curie-shohini-ghose Marie Skłodowska Curie's revolutionary research laid the groundwork for our ...
The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim
View full lesson: http://ed.ted.com/lessons/the-ferocious-predatory-dinosaurs-of-cretaceous-sahara-nizar-ibrahim In Cretaceous times (around 100 million years ...
Why don't perpetual motion machines ever work? - Netta Schramm
View full lesson: http://ed.ted.com/lessons/why-don-t-perpetual-motion-machines-ever-work-netta-schramm Perpetual motion machines — devices that can do ...
Who were the Vestal Virgins, and what was their job? - Peta Greenfield
View full lesson: http://ed.ted.com/lessons/who-were-the-vestal-virgins-and-what-was-their-job-peta-greenfield In ancient Rome, Vestal Virgins were tasked with ...
The world’s most mysterious book - Stephen Bax
View full lesson: http://ed.ted.com/lessons/the-world-s-most-mysterious-book-stephen-bax Deep inside Yale's Beinecke Rare Book and Manuscript Library lies a ...
History’s deadliest colors - J. V. Maranto
View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered, its luminous green color inspired people to ...
A brief history of goths - Dan Adams
View full lesson: http://ed.ted.com/lessons/a-brief-history-of-goths-dan-adams What do fans of atmospheric post-punk music have in common with ancient ...
How does your body process medicine? - Céline Valéry
View full lesson: http://ed.ted.com/lessons/how-does-your-body-process-medicine-celine-valery Have you ever wondered what happens to a painkiller, like ...
How does asthma work? - Christopher E. Gaw
View full lesson: http://ed.ted.com/lessons/how-does-asthma-work-christopher-e-gaw More than 300 million people around the world suffer from asthma, and ...
What is entropy? - Jeff Phillips
View full lesson: http://ed.ted.com/lessons/what-is-entropy-jeff-phillips There's a concept that's crucial to chemistry and physics. It helps explain why physical ...
How do nuclear power plants work? - M. V. Ramana and Sajan Saini
View full lesson: http://ed.ted.com/lessons/what-are-the-challenges-of-nuclear-power-m-v-ramana-and-sajan-saini Our ability to mine great amounts of energy ...
Check your intuition: The birthday problem - David Knuffke
View full lesson: http://ed.ted.com/lessons/check-your-intuition-the-birthday-problem-david-knuffke Imagine a group of people. How big do you think the group ...
Can you solve the pirate riddle? - Alex Gendler
View full lesson: http://ed.ted.com/lessons/can-you-solve-the-pirate-riddle-alex-gendler It's a good day to be a pirate. Amaro and his four mateys – Bart, Charlotte ...
Why are sloths so slow? - Kenny Coogan
View full lesson: http://ed.ted.com/lessons/why-are-sloths-so-slow-kenny-coogan Sloths spend most of their time eating, resting, or sleeping; in fact, they ...
The evolution of animal genitalia - Menno Schilthuizen
View full lesson: http://ed.ted.com/lessons/the-evolution-of-animal-genitalia-menno-schilthuizen Genitals are the fastest-evolving organs in the animal kingdom.
Secrets of the X chromosome - Robin Ball
View full lesson: http://ed.ted.com/lessons/secrets-of-the-x-chromosome-robin-ball The sequence of DNA that we inherit from our parents encodes directions for ...
The three different ways mammals give birth - Kate Slabosky
View full lesson: http://ed.ted.com/lessons/the-three-different-ways-mammals-give-birth-kate-slabosky All mammals share certain characteristics, like warm blood ...
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