A brief history of plural word…s – John McWhorter
View full lesson here: http://ed.ted.com/lessons/a-brief-history-of-plural-word-s-john-mcwhorter All it takes is a simple S to make...
Videos & TV
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Why is biodiversity so important? – Kim Preshoff
View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planet’s diverse, thriving ecosystems...
Why are sharks so awesome? – Tierney Thys
View full lesson: http://ed.ted.com/lessons/why-are-sharks-so-awesome-tierney-thys Sharks have been celebrated as powerful gods by s...
Logarithms, Explained – Steve Kelly
View full lesson: http://ed.ted.com/lessons/steve-kelly-logarithms-explained What are logarithms and why are they useful? Get the ba...
The accident that changed the world – Allison Ramsey and Mary Staicu
Learn how Alexander Fleming discovered penicillin, and how the antibiotic has changed medicine and the treatment of infections. R...
Why do people fear the wrong things? – Gerd Gigerenzer
How can we use statistics to evaluate risk? Dig into the difference between relative risk and absolute risk and how each is used in...
How exposing anonymous companies could cut down on crime – Global Witness
View full lesson: http://ed.ted.com/lessons/how-exposing-anonymous-companies-could-cut-down-on-crime-global-witness Companies are ar...
Buffalo buffalo buffalo: One-word sentences and how they work – Emma Bryce
View full lesson: http://ed.ted.com/lessons/buffalo-buffalo-buffalo-one-word-sentences-and-how-they-work-emma-bryce ‘Buffalo buffalo...
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What can DNA tests really tell us about our ancestry? – Prosanta Chakrabarty
Dig into the science of how ancestry DNA tests work, their accuracy, and why tracing ancestry is so complicated. — Two sisters...
How do cancer cells behave differently from healthy ones? – George Zaidan
View full lesson: http://ed.ted.com/lessons/how-do-cancer-cells-behave-differently-from-healthy-ones-george-zaidan How do cancer cel...