After a crisis, how can we tell if water is safe to drink? Current tests are slow and complex, and the delay can be deadly, as in the cholera outbreak after Haiti's earthquake in 2010. TED Fellow Sonaar Luthra previews his design for a simple tool that quickly tests water for safety -- the Water...

Ted Huntington - Ted Huntington

Anemia is a major -- and completely preventable -- cause of deaths in childbirth in many places around the world, but the standard test is invasive and slow. In this witty and inspiring talk, TED Fellow Myshkin Ingawale describes how (after 32 tries) he and his team created a simple, portable,...

There is an epidemic of HIV, and with it an epidemic of bad laws -- laws that effectively criminalize being HIV positive. At the TEDxSummit in Doha, TED Fellow Shereen El-Feki gives a forceful argument that these laws are not only based in stigma, but are helping the disease spread.

x-leo-tugais-x - x-leo-tugais-x

Ted Rizz - XENIUM

Back by popular demand, the actress/model closes out part 3 of the NYC URBMob Powershoot with Leo Marshall.

Léo Lago - Venturas e desventuras do engenhoso Cavalleiro do Lago

Street artist JR made a wish in 2011: Join me in a worldwide photo project to show the world its true face. Now, a year after his TED Prize wish, he shows how giant posters of human faces, pasted in public, are connecting communities, making change, and turning the world inside out. You can join...

TED Fellow Lucy McRae is a body architect -- she imagines ways to merge biology and technology in our own bodies. In this visually stunning talk, she shows her work, from clothes that recreate the body's insides for a music video with pop-star Robyn, to a pill that, when swallowed, lets you sweat...