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Quote by Carl Sagan

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Dragons of Eden: Speculations on the Evolution of Human Intelligence

This book delves into the theory that dragons played a significant role in the development of human intelligence. It examines the evolutionary path that led to modern human cognition and speculates on the influence of ancient creatures on human evolution. more

Author

Carl Sagan
Carl Sagan

Carl Sagan was an American astronomer, cosmologist, author, and science communicator, born on November 9, 1934, in Brooklyn, New York. He is renowned for his profound research into the cosmos and his dedication to popularizing science. Sagan proposed numerous theories about the origin of the universe and life, and he made complex scientific knowledge accessible to the public with his unique perspective and clear, engaging writing style. more

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“The number of possible "on-off" patterns of neuronal firing is immense, estimated as a staggering ten times ten one million times (ten to the millionth power). The brain is obviously capable of an imponderably huge variety of activity; the fact that it is often organized and functional is quite an accomplishment!”

“Wherefore the brain must be looked upon as the universal and general sensory and at the same time as the universal and general motory organ of the body and finally as the universal and general laboratory of the animal spirits and the blood or of the essential juices of life.”