We didn't think anyone actually still took this stereotype seriously, at least not since Three's Company was still on the air. As it turns out, according to this study, it's not that blondes are actually dumber, it's that men act dumber around them.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.