Initially drawn in by the Al Gore video, I have been watching lots of the films from the TED conference, and being impressed by many of them. I am more impressed than ever by cephalopods, and some of my idle curiosity about how ants decide what to do has been satisfied. I also learned about some new reasons for which we should be wary about the long-term use of antidepressant drugs.
Putting these short lectures online is an excellent way of demonstrating the power of the internet to distribute ideas. Even for those of us who would balk at flying to California to attend some very neat talks, fiber optic links provide a low-carbon alternative.