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Ben Goldacre: Battling bad science

Every day there are news reports of new health advice, but how can you know if they’re right? Doctor and epidemiologist Ben Goldacre shows us, at high speed, the ways evidence can be distorted, from the blindingly obvious nutrition claims to the very subtle tricks of the pharmaceutical industry.

Watch Ben Goldacre’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

Jarreth Merz: Filming democracy in Ghana

Jarreth Merz, a Swiss-Ghanaian filmmaker, came to Ghana in 2008 to film the national elections. What he saw there taught him new lessons about democracy — and about himself.

Watch Jerreth Merz’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

Geoff Mulgan: A short intro to the Studio School

Some kids learn by listening; others learn by doing. Geoff Mulgan gives a short introduction to the Studio School, a new kind of school in the UK where small teams of kids learn by working on projects that are, as Mulgan puts it, “for real.”

Watch Geoff Mulgan’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

Sunni Brown: Doodlers, unite!

Studies show that sketching and doodling improve our comprehension — and our creative thinking. So why do we still feel embarrassed when we’re caught doodling in a meeting? Sunni Brown says: Doodlers, unite! She makes the case for unlocking your brain via pad and pen.

Watch Sunni Brown’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

Abraham Verghese: A doctor’s touch

Modern medicine is in danger of losing a powerful, old-fashioned tool: human touch. Physician and writer Abraham Verghese describes our strange new world where patients are merely data points, and calls for a return to the traditional one-on-one physical exam.

Watch Abraham Verghese’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

Elizabeth Murchison: Fighting a contagious cancer

What is killing the Tasmanian devil? A virulent cancer is infecting them by the thousands — and unlike most cancers, it’s contagious. Researcher Elizabeth Murchison tells us how she’s fighting to save the Taz, and what she’s learning about all cancers from this unusual strain. Contains disturbing images of facial cancer.

Watch Niall Ferguson’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

What we learned from 5 million books

Have you played with Google Labs’ Ngram Viewer? It’s an addicting tool that lets you search for words and ideas in a database of 5 million books from across centuries. Erez Lieberman Aiden and Jean-Baptiste Michel show us how it works, and a few of the surprising things we can learn from 500 billion words.

Watch this talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

What we learned from 5 million books

Have you played with Google Labs’ Ngram Viewer? It’s an addicting tool that lets you search for words and ideas in a database of 5 million books from across centuries. Erez Lieberman Aiden and Jean-Baptiste Michel show us how it works, and a few of the surprising things we can learn from 500 billion words.

Watch this talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.

Amy Lockwood: Selling condoms in the Congo

HIV is a serious problem in the DR Congo, and aid agencies have flooded the country with free and cheap condoms. But few people are using them. Why? “Reformed marketer” Amy Lockwood offers a surprising answer that upends a traditional model of philanthropy. (Some NSFW images.)

Watch Amy Lockwood’s talk on TED.com, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1000+ TEDTalks.