Scientists Free Audio & Video

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.

Walter Isaacson, author of the mega-selling, acclaimed biography of Benjamin Franklin, discusses his latest work focused on the most influential scientist of the 20th century, Albert Einstein.

Project Tuva is an enhanced video player platform released by Microsoft Research to host the Messenger Lectures series titled The Character of Physical Law given at Cornell University by Richard Feynman in 1964 and recorded by the BBC.

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.

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.

Nobel Prize winner James D. Watson speaks at Google's Mountain View, CA, headquarters as part of the Authors@Google series.

Published in 1920, Slosson’s Easy Lessons in Einstein is one of the first popularizations of Einstein’s theory of relativity.

In this talk Dr. Schaefer weaves a discussion of cosmology with an informative biography of well-known physicist Stephen Hawking.

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.