From:
Are the comforts of modern life making humans dumber? - The Week
In prehistoric times, humans who weren't smart enough to kill their prey or avoid being eaten by them died. According to a Stanford researcher, present-day people are nowhere near as intelligent as these ancestors.
He argues that humanity's collective intelligence has gone downhill ever since we started living on farms.
Are the comforts of modern life making humans dumber? - The Week
In prehistoric times, humans who weren't smart enough to kill their prey or avoid being eaten by them died. According to a Stanford researcher, present-day people are nowhere near as intelligent as these ancestors.
He argues that humanity's collective intelligence has gone downhill ever since we started living on farms.