Scientists Free Audio & Video

For more than 30 years, Richard P. Feynman's three-volume Lectures on Physics has been known worldwide as the classic resource for students and professionals alike....

Stephen Hawking, Arthur C. Clarke and Carl Sagan (via satellite) discuss the Big Bang theory, God, our existence as well as the possibility of extraterrestrial life.

In this lecture professor Chandak Sengoopta discusses the life of Charles Darwin covering the major events in Darwin's life including his voyage on the HMS Beagle and his eventual publication of On the Origin of Species in 1859.

Jane Goodall hasn't found the missing link, but she's come closer than nearly anyone else. The primatologist says the only real difference between humans and chimps is our sophisticated language. She urges us to start using it to change the world.

What's it like to be pals with a genius? Onstage at TEDxCaltech, physicist Leonard Susskind spins a few stories about his friendship with the legendary Richard Feynman, discussing his unconventional approach to problems both serious and ... less so.

Nobel laureate James Watson opens TED2005 with the frank and funny story of how he and his research partner, Francis Crick, discovered the structure of DNA.

"Einstein's General Relativity and Gravitation" is taught at UCI as Physics 255. Topics covered: A Brief History of Gravity, Gravity from the Ancient Greeks to Einstein's Relativistic Theory (1907)

Carl Sagan, one of the pre-eminent astronomers of our time, talks about his book "The Demon Haunted World: Science as a Candle in the Dark", which explores the country's growing fascination with pseudo-sciences.

The Genius of Charles Darwin is a three-part television documentary, written and presented by evolutionary biologist Richard Dawkins.

Isaac Asimov was an American author and professor of biochemistry at Boston University, best known for his works of science fiction and for his popular science books.