Monday’s Debate: Is the Evolution of Intelligence a Given in the Universe?

 

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"The issue, as correctly emphasized by Carl Sagan, is the probability of the evolution of high intelligence and an electronic civilization on an inhabited world. Once we have life (and almost surely it will be very different from life on Earth), what is the probability of its developing a lineage with high intelligence? On Earth, among millions of lineages of organisms and perhaps 50 billion speciation events, only one led to high intelligence; this makes me believe in its utter improbability."

Ernest Mayr, one of the 20th century's leading evolutionary biologists.

What do you think?

 

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