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Added on Dec 31, 2012
Length: 09:54 | Comments: 1
The legendary Dr. Carl Sagan explains how the human brain evolved and functions. For more on the reptilian brain, see Dr. John Meagher's book on Medicine, Mistakes and the Reptilian Brain.
Channels: Educational Technology Health & Fitness
Tags: Carl Sagan, the reptilian brain, humans, human brains, new mind, newmind, evolution, how the brain works
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