The gene that led to the human intelligence boom has been found

June 1, 2018
By Alice Klein | New Scientists

How did humans get so smart? A random reshuffle in our ancestor’s genome more than 3 million years ago let our brains grow three times as large.

David Haussler at the University of California, Santa Cruz and his colleagues were comparing brain development in humans and monkeys when they found one key difference. Human brain growth appeared to be driven by a gene called NOTCH2NL that was not found …

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