1:07:55

Michael Halliday - Language evolving: Some systemic functional reflections on the history of meaning

57:42

Dave Montgomery - Dirt: The Erosion of Civilizations

1:10:43

Daniel Everett, "Homo Erectus and the Invention of Human Language"

1:26:51

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

1:18:52

Christian Matthiessen -- Language evolving: Notes towards a semiotic history of humanity

1:31:03

Ozzie Zehner - Green Illusions

1:04:23

Prof. Simon Kirby - The Language Organism: Evolution, Culture, and What it Means to be Human

1:30:42

Terrence W. Deacon on Incomplete Nature: radically reformulating the concept of emergence