Neil deGrasse Tyson Quotes
Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.
Citations
Tyson, Neil deGrasse. Space Chronicles: Facing the Ultimate Frontier. W. W. Norton & Company, 2012, p. 17.
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Neil deGrasse Tyson is an American astrophysicist, planetary scientist, author, and science communicator.