Bill Gates on mosquitos, malaria and education

Bill Gates hopes to solve some of the world's biggest problems using a new kind of philanthropy. In a passionate and, yes, funny 18 minutes, he asks us to consider two big questions and how we might answer them. (And see the Q&A on the TED Blog.)

Nandan Nilekani's ideas for India's future

Nandan Nilekani, the visionary co-founder of outsourcing pioneer Infosys, explains four brands of ideas that will determine whether India can continue its recent breakneck progress.

Pranav Mistry: The thrilling potential of SixthSense technology

At TEDIndia, Pranav Mistry demos several tools that help the physical world interact with the world of data -- including a deep look at his SixthSense device and a new, paradigm-shifting paper "laptop." In an onstage Q&A, Mistry says he'll open-source the software behind SixthSense, to open its possibilities to all.

Hans Rosling: Asia's rise -- how and when

Hans Rosling was a young guest student in India when he first realized that Asia had all the capacities to reclaim its place as the world's dominant economic force. At TEDIndia, he graphs global economic growth since 1858 and predicts the exact date that India and China will outstrip the US.

Devdutt Pattanaik: East vs west -- the myths that mystify

Devdutt Pattanaik takes an eye-opening look at the myths of India and of the West -- and shows how these two fundamentally different sets of beliefs about God, death and heaven...