2 years ago
The less intelligent are more fertile -- so why aren't humans becoming dumber over time?
A new test of 5.9 million texts spanning years 1850 to 2005 suggests that genetic factors of intelligence have been declining as environmental influences have been improving. In a new study led by Michael A. Woodley of Menie, of the Technische Universitat Chemnitz, Germany, and the Vrije Universiteit, Belgium, researchers assessed the changing prevalence of words known to be associated with intelligence. The research was published in April in the journal Frontiers in Psychology.
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