TED-ings

1. "Do schools kill creativity?," Sir Ken Robinson (TED, 19:24 min)
2. "How I'm trying to change the world," Bill Gates (TED, 20:17 min)
3. "Why we know less than ever about the world," Alisa Miller (TED, 4:29 min)
4. "The best stats you've ever seen," Hans Rosling (TED, 19:50 min)