51:21

Donald Johanson - On Human Origins and the Future of Humanity

51:18

Richard Leakey - Reflections on Human Origins Since Darwin’s Conjectures (Feb 13, 2019)

42:28

Jack Szostak: The Origin of Life: Not as Hard as it Looks?

1:43:17

Explorer Lecture: Dr. Donald Johanson, "Cleveland, Lucy, and the Human Story"

21:01

Watch Trudeau speak directly to Trump during blistering speech

46:18

Panel discussion with Donald C. Johanson, Jack Szostak, and Ben Feringa.

10:54

Pirahã: The Amazonian Tribe That Challenges Everything We Know About Language | SLICE

17:46

Man Lets a Freezing Bear and Her Cubs Into His Home – Then the Unthinkable Happens!