Free Science Videos and Lectures

To reach other intelligences our technology must reach beyond interplanetary distances it has to go interstellar distances.

The largest radio radar telescope on the planet Earth - Arecibo radio...

This science video contains:
life, stars, carl sagan, milky way, galaxies, intelligence, civilization, radio telescope, extraterrestrial, arecibo, puerto rico, m15, signal, prime numbers

The most famous American astronomer and astrophysicist Carl Sagan explains the Drake equation.

The Drake equation (rarely also called the Green Bank equation or the Sagan equation) is a famous...

This science video contains:
life, planets, stars, carl sagan, drake equation, extraterrestrial intelligence

British (department of genetics at Cambridge University) scientist Aubrey de Grey, Ph.D., is interviewed by CBC news correspondent Portia Clark after a lecture at the University of Alberta...

This science video contains:
aubrey de gray, phd, aging, genetics, health, life, mice, therapy