..".provides a fascinating series of articles by thoughtful scientists representing the broad range of disciplines that bear on the question of life elsewhere in the universe. The book contains lucid descriptions of the evidence from physics, chemistry, and especially evolutionary biology that permit speculation about the emergence of technological beings. The book is readable by anyone and will tickle the fancy of any person curious about our uniqueness in the universe." Geoffrey W. Marcy, American Journal of Physics
Is it possible that extraterrestrial life exists within our Galaxy? Leading experts from a range of sciences examine this question. After ten billion years, and among hundreds of billions of stars, we may well possess the most advanced brains in the Milky Way Galaxy.