THE DRAGONS OF EDEN by CARL SAGAN 263 pages. Random House.
Like squids, scientists protect themselves with clouds of impenetrable ink. Not Carl Sagan. His jargon-free book The Cosmic Connection (1973) involved thousands of readers in the search for life beyond earth. Last year, during the Mars probe, he became a TV celebrity with plausible descriptions of the creatures that might be populating outer space. The Dragons of Eden should involve thousands more in the exploration of inner space the human brain.
Sagan, 42, occupant of a chair in astronomy at Cornell University, is...
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