Poverty exists. That it exists, that it persists, in the 21st century is an obscenity. We want to end this poverty. We want to make poverty history. But we h...

David Kobia from Ushahidi gives an Ignite Talk at the first International Conference on Crisis Mapping (ICCM 2009). More information at: http://www.crisismappers.net/page/icc...

This talk was given at a local TEDx event, produced independently of the TED Conferences. As the director of the Inclusive Sports Initiative at the Institute...

Petra Bartosiewicz is a freelance writer living in New York City. Her forthcoming book, "The Best Terrorists We Could Find," is an investigation of terrorism...

Neuroscientist Greg Gage takes sophisticated equipment used to study the brain out of graduate-level labs and brings them to middle- and high-school classrooms (and, sometimes, to the TED stage.) Prepare to be amazed as he hooks up the Mimosa pudica, a plant whose leaves close when touched, and the Venus flytrap to an EKG to show us how plants use electrical signals to convey information, prompt movement and even count.

View full lesson: http://ed.ted.com/lessons/what-happens-during-a-heart-attack-krishna-sudhir Approximately seven million people around the world die from he...

This talk was given at a local TEDx event, produced independently of the TED Conferences. Around the world women are fighting for their own human rights, inc...

Lockheed Martin and other members of the World Economic Forum Global Agenda Council on Space are developing a free, open-source web tool that uses the power ...