Noel Bairey Merz: The Single Biggest Health Threat Women Face
Surprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the remarkably different symptoms women present during a heart attack (and why they're often missed).
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iO Tillett Wright: Fifty Shades of Gay
Photographer iO Tillett Wright grew up between genders and sexualities. She's shot 2,000 people who consider themselves somewhere on the LBGTQ spectrum and asked many: can they assign a percentage to how gay or straight they are?
Geoffrey West: The Surprising Math of Cities and Corporations
Physicist Geoffrey West has found that simple, mathematical laws govern the properties of cities -- that wealth, crime rate, walking speed and many other aspects of a city can be deduced from a single number: the city's population. In this mind-bending talk from TEDGlobal he shows how it works and how similar laws hold for organisms and corporations.
Ramona Pierson: An Unexpected Place of Healing
When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. At TEDxDU she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.
True Humanity At Its Finest
When this autistic man started having trouble singing the national anthem, something happened that could bring you to tears. What an amazing display of humanity. It's great to see that there is still goodness in the world.
Seth Shostak: ET is (Probably) Out There -- Get Ready
Dr. Seth Shostak participates in the search for extraterrestrial life at the SETI Institute. He believes ET is out there, and there is a good chance we will discover him soon.