From: Astrobiology Magazine
Why Aren’t We Smarter?
Astrobiology Magazine:
We put a lot of energy into improving our memory, intelligence, and attention. There are even drugs that make us sharper, such as Ritalin and caffeine. But maybe smarter isn’t really all that better. A new paper published in Current Directions in Psychological Science, a journal of the Association for Psychological Science, warns that there are limits on how smart humans can get, and any increases in thinking ability are likely to come with problems.
The authors looked to evolution to understand about why humans are only as smart as we are and not any smarter. “A lot of people are interested in drugs that can enhance cognition in various ways,” says Thomas Hills of the University of Warwick, who cowrote the article with Ralph Hertwig of the University of Basel. “But it seems natural to ask, why aren’t we smarter already?”
Read the whole story: Astrobiology Magazine
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