Carl Sagan - The Human Brain and Reptilian Brain


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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