There is other research[0] (also recently posted to HN, though it got a lot less traction than Gates and Pinker), that claims this trend may very likely not be

There is other research[0] (also recently posted to HN, though it got a lot less traction than Gates and Pinker), that claims this trend may very likely not be there. It's very hard to prove. [0] http://www.mn.uio.no/math/english/research/projects/focustat/the-focustat-blog%21/krigogfred.html http://www.mn.uio.no/math/english/research/projects/focustat...