> am i reading this on hn? what are your sources? This type of incredulous response is one of the most annoying thing about HN. It's pretty obvious that you've

> am i reading this on hn? what are your sources? This type of incredulous response is one of the most annoying thing about HN. It's pretty obvious that you've never put any serious thought into the issue; yet, instead of investigating for yourself, you make up some just-so story that puts you at ease. A simple Google Scholar search would provide you will all types of answers, but since I doubt you'll be bothered to actually read an academic paper, just listen to Steven Pinker on the subject: http://www.youtube.com/watch?v=1GexZF5VIMU http://www.youtube.com/watch?v=1GexZF5VIMU