At TEDMED, Magigian David Blaine tells how he trained for holding his breath for 17 minutes.
ABC Science Show reporter Daniel Keogh shares some strange facts about placebos.
In this short TED talk, Jessica Greene argues that mechanical ventilation systems might contribute to breeding pathogenic germs.
Nathan Myhrvold’s company develops creative inventions to solve problems like Malaria.
In this entertaining and energetic TEDxPennQuarter talk, Christopher McDougall proposes his theory why humans are supreme long-distance runners.
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