Happy Carl Sagan Day! No Symphony of Science though....
The 4th Dimension
God or Gods
The Pale Blue Dot
The Drake Equation
The Pseudo-Science of Astrology
Cosmos Introduction
Eratothenes
Evolution
Star Stuff
The Great Library of Alexandria
We Humans Are Capable of Greatness
Google and Googleplex
The Search for Extra-Terrestrial Intelligence
Special Guest Spot from Harry Carey
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