1:17:35

"Lawrence Krauss - Life, the Universe, and Nothing: A Cosmic Mystery Story "

1:17:59

Terrence Deacon -- Language and complexity: Evolution inside out

47:29

Running out of Time | Documentary on Holistic Management

1:11:21

David R. Montgomery - Growing a Revolution

1:05:58

Growing a Revolution: Bringing Our Soil Back to Life - David Montgomery

18:17

Nebraska retiree uses earths's heat to grow oranges in snow

1:26:51

The Groupish Gene: Hive psychology and the Origins of Morality and Religion

1:31:03

Ozzie Zehner - Green Illusions