This talk was given at a local TEDx event, produced independently of the TED Conferences. Cassandra shares a personal story of discovery and invites us all t...

Recently we were sent on an assignment to travel to Tanzania and meet an inspiring woman called Ashley Washburn who is using Skype to improve the educational experience of young children. We had an amazing time in Tanzania and would like to extend a huge thanks to Ashley and her family for letting us stay with them. Here's the film we made!

"Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And terrifyingly, it's happening to ...

Un vívido retrato sobre las crisis sociales
Besos en el pan es la última novela de la escritora española Almudena Grandes; en este libro, los distintos personajes atraviesan conflictos con los que es difícil no sentirse identificado

View full lesson: http://ed.ted.com/lessons/how-photography-connects-us-david-griffin The photo director for National Geographic David Griffin knows the powe...

This four-minute overview video describes in brief, the activities of the Sustainable Intensification of Maize-Legume Cropping Systems for Food Security in E...

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.