Do you remember that study that just recently came out about us humans getting dumb and dumber?

[Foghorn]

If you never heard of it then check it out.

http://www.usnews.com/news/articles/2012...eir-smarts

Now there is evidence out there that our brains have actually been shrinking ever since the bronze age.

http://discovermagazine.com/2010/sep/25-...N7X367yCSo

The observation led the researchers to a radical conclusion: As complex societies emerged, the brain became smaller because people did not have to be as smart to stay alive. As Geary explains, individuals who would not have been able to survive by their wits alone could scrape by with the help of others—supported, as it were, by the first social safety nets.