A profile of the Scientist Richard Feynman. Originally broadcast in 2 parts, this file contains both episodes. An intimate, moving, and funny account of the remarkable life and times of Richard Fey

Horizon explores the strange and wonderful world of illusions - and reveals the tricks they play on our senses and why they fool us. We show how easy it is to trick your sense of taste by changing th

In this University of Southern California program, Robert Kuhn hosts a group of distinguished panelists in a discussion of what may lie beyond our world. Humans have long wondered whether life exists

In this Howard Hughes Medical Institute program, Dr. Neil deGrasse Tyson, host of the PBS program NOVA scienceNOW and director of the Hayden Planetarium at the American Museum of Natural History

A conversation with Astrophysicist Dr. niel degrasse tyson about communicating science, recorded January 20, 2011

UC Berkeleys Harry Kreisler talks with writer Christopher Hitchens about writing, dissent, and the challenge of taking on cultural icons. Series: Conversations with History

There is a strange and mysterious world that surrounds us, a world largely hidden from our senses. The quest to explain the true nature of reality is one of the great scientific detective stories.

Two-part documentary which deals with two of the deepest questions there are - what is everything, and what is nothing? In two epic, surreal and mind-expanding films, Professor Jim Al-Khalili searc

Two-part documentary which deals with two of the deepest questions there are - what is everything, and what is nothing? In two epic, surreal and mind-expanding films, Professor Jim Al-Khalili searche

A documentary about string theory, that takes you through all the famous scientific theories through time.