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Bill Gates on mosquitos, malaria and education | Video on TED.co

William Li: Can we eat to starve cancer? | Video on TED.com

Deborah Rhodes: A tool that finds 3x more breast tumors, and why it's not available to you | Video on TED.com

Emily Oster flips our thinking on AIDS in Africa | Video on TED.

Seth Berkley: HIV and flu -- the vaccine strategy | Video on TED

Marc Koska: 1.3m reasons to re-invent the syringe | Video on TED

Hans Rosling on HIV: New facts and stunning data visuals | Video

Eva Vertes looks to the future of medicine | Video on TED.com

Ann Cooper talks school lunches | Video on TED.com

Graham Hill: Why I'm a weekday vegetarian | Video on TED.com

Louise Fresco on feeding the whole world | Video on TED.com

Peter Reinhart on bread | Video on TED.com

Eric Dishman: Take health care off the mainframe | Video on TED.

Eric Topol: The wireless future of medicine | Video on TED.com

Jamie Heywood: The big idea my brother inspired | Video on TED.c

Larry Brilliant makes the case for optimism | Video on TED.com

Ernest Madu on world-class health care | Video on TED.com

Frederick Balagadde: Bio-lab on a microchip | Video on TED.com

George Whitesides: A lab the size of a postage stamp | Video on

Eric Mead: The magic of the placebo | Video on TED.com

Larry Brilliant wants to stop pandemics | Video on TED.com

Nathan Myhrvold: Could this laser zap malaria? | Video on TED.co

Adam Grosser and his sustainable fridge | Video on TED.com

Josh Silver demos adjustable liquid-filled eyeglasses | Video on

Michael Pritchard's water filter turns filthy water drinkable |