TED: Vote Andy, vote often!
So if you think TED talks are getting a little stale and predictable, fear not. There's a talent search for new speakers underway, and you get to vote for your favourites etc etc.
Andy's talk, on our power to alter our own species, I think deserves to be extended to a bigger slot, and go global. NB: I used to work with him, but that really shouldn't sway your opinion. This is genuinely interesting stuff.