Stanford prof: Humans are getting stupider

Have you ever felt like your fellow humans are just getting stupider and more emotional? You’re not mistaken, the Huffington Post reports. A Stanford University researcher (aptly named Gerald Crabtree) has furthered a similar theory — that we are now way less smart or “emotionally stable” than our cave-dwelling forebearers.

“I would be willing to wager that if an average citizen of Athens of 1,000 BC were to appear suddenly among us, he or she would be among the brightest and most intellectually alive of our colleagues and companions,” Crabtree wrote in a study that appeared in Trends in Genetics. “I would also guess that he or she would be among the most emotionally stable of our friends and colleagues.”

How come? Crabtree speculates that in our comfortable world, evolutionary pressures are far less intense, leading to a higher preponderance of dumber people. Even worse, Crabtree hypothesizes that in 3,000 years, humans will endure two or more harmful mutations to our DNA due to all this easy living……Read More