Take a look at some of the action that UNESCO and its partners are taking to safeguard the world's cultural heritage wherever it may be under threat, along w...

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...

Joshua Katz is a high school math teacher in Orange County, FL. Joshua's Talk: In the mid 1800's, Horace Mann captured the potential impact of education on s...

In Australia, Bee Orsini is the Liaison for The Salvation Army's Education and Outreach Project to raise awareness of homeless youth. She knows the reality o...

Outdoor and action sport culture is drifting down a path of ultra-high risk. Yes, safety gear is important. But, Dr. Robb Gaffney explores the parent/child r...

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.

This is the edited version of The Mathematics of Weight Loss presented by Ruben Meerman. In the spirit of ideas worth spreading, TEDx is a program of local, ...

Immigration - Global humanitarian reasons for current U.S. immigration are tested in this updated version of immigration author and journalist Roy Beck's col...

Watch as we profile several organizations and individuals working in East Africa to bring nutritious local foods to their communities. These stories are snap...