Women are waiting until their 30s and 40s to have children, but when they decide to do so, they are a lot more willing to engage in a variety of sexual activities to capitalize on their remaining childbearing years, according to new research by psychologists at The University of Texas at Austin. 
I happened to be reading Howard Bloom's book The Genius of the Beast when I saw something odd happening in social media - there was a minor blow up on a science blogging site called Scienceblogs.com over a new column that would be written by people from Pepsi, which threatened to become a major blow-up because of social media, and it got me thinking about re-purposing and symbol stacks.