Maybe it's because the evidence of aliens is presented in such ways as to be deliberately difficult to disprove. All in all, IMHO he spends a little too much time on the subject, it becomes quite tiring. He fights the "flying saucer" image portrayed by people who want attention and promoted by tabloids. When Sagan opposes "aliens" it's not that he doesn't believe other life forms exist (quite the contrary, as people who read his other book know). The first half of the book pounds pseudoscience and the second one is more political and philosophical, debating the place science holds in the current world - in education, economy, and so on. The secondary title of this book is: "Science as a candle in the dark", and both titles hint quite accurately what the book is about.Ĭarl Sagan takes on explaining in what way science is good for humanity, and how pseudoscience (including "alien abductions", mediums, astrology, ghosts, demons, spoon bending, crop circles, revelations of gods/angels, wonder therapy and so on) is bad.
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