Lawrence Krauss gives a talk on our current picture of the universe, how it will end, and how it could have come from nothing.
Steve jobs on brands
Brilliant talk by John Cleese on creativity
what brain damage can reveal about the connection between celebral tissue and the mind, using three startling delusions as examples
With the drama and urgency of a sportscaster, statistics guru Hans Rosling debunks myths about the so-called "developing world."
Nick Veasey shows outsized X-ray images that reveal the otherworldly inner workings of familiar objects !