Carl Sagan On Pseudoscience

Millions of people are fascinated by fantastic tales of alien abductions, faces on Mars, crystals, channeling, and crop circles. In this hour of Science Friday, Ira Flatow talks with world-renowned scientist Carl Sagan about the rising popularity of pseudoscience and the importance of critical thinking. Guests: Carl Sagan Duncan Professor of Astronomy and Space Sciences Cornell University Ithaca, N.Y. Author The Demon-Haunted World (Random House) Listeners call in

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