http://www.ted.com Five years ago, Roz Savage quit her high-powered London job to become an ocean rower. She’s crossed the Atlantic solo, and just started the third leg of a Pacific solo row, the first for a woman. Why does she do it? Hear her reasons, both deeply personal and urgently activist.... Read More إقرأ المزيد | Share it now!

http://www.ted.com Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational — able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the physics underlying the universe.... Read More إقرأ المزيد | Share it now!