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From the series "COSMOS" Season 1: Ep. 12 "Encyclopedia Galactica"
Marcello Truzzi was the first to suggest the idea of extraordinary claims requiring extraordinary proof, but Carl Sagan made it popular and explains it eloquently in this clip.
FAIR USE NOTICE: This Channel may contain copyrighted material. Such material is made available for educational purposes only. This constitutes a 'fair use' of any such copyrighted material as provided for in Title 17 U.S.C. section 106A-117 of the U.S. Copyright Law.
Marcello Truzzi was the first to suggest the idea of extraordinary claims requiring extraordinary proof, but Carl Sagan made it popular and explains it eloquently in this clip.
FAIR USE NOTICE: This Channel may contain copyrighted material. Such material is made available for educational purposes only. This constitutes a 'fair use' of any such copyrighted material as provided for in Title 17 U.S.C. section 106A-117 of the U.S. Copyright Law.