Scientists Free Audio & Video

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.

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.

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.

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.

The book, also known as Darwin's Journal of Researches, is a vivid and exciting travel memoir as well as a detailed scientific field journal covering biology, geology, and anthropology that demonstrates Darwin's keen powers of observation, written at a time when Western Europeans were still discovering and exploring much of the rest of the world.

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.

A two-hour special from the producers of "Making Stuff"

Thomas Huxley, known as “Darwin’s Bulldog” for his championing and development of Darwinism, was perhaps the most important Victorian biologist after Darwin himself.

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.