Hans Rosling reveals new insights on poverty. Hans Rosling debunking third-world myths. Hans Rosling: Let my dataset change your mindset. Hans Rosling: Asia's rise - how and when. Jacqueline Novogratz: A third way to think about aid. Nicholas Negroponte on One Laptop per Child. Nicholas Negroponte on One Laptop per Child, two years o. Marc Koska: 1.3m reasons to re-invent the syringe. Nicholas Negroponte takes OLPC to Colombia. Dr. Seyi Oyesola tours a hospital in Nigeria. Ernest Madu on world-class health care. Michael Pritchard's water filter turns filthy water drinkable |