Do you guys ever visit www.ted.com?
I find that this website has very brain stimulating presentations to offer for anyone whom is interested in. Science, Technology, Philosophic...
I want to dedicate this threat to TED talks, where AGers can post a link to specific talks and discussion can be made about them.
For anyone who is not familiar with this TED talks check out [url=http://en.wikipedia.org/wiki/TED_(conference)]this link!