Archives for Carl Sagan

12.05.18

Origin Stories: Carl Sagan

Uncategorized
Carl Sagan explores the evolution of human intelligence from the big bang, fifteen billion years ago, through today in this never-before-released archival lecture.
11.30.18

Origin Stories: Carl Sagan

Origin Stories
Carl Sagan explores the evolution of human intelligence from the big bang, fifteen billion years ago, through today in this never-before-released archival lecture.