Neuroscientists are trying to work out why the brain does so much when it seems to be doing nothing at all.

I'm not sure  what we do with this but its interesting.
The article here:
http://www.nature.com/news/neuroscience-idle-minds-1.11440
A science blogger talking about it here:
http://mindblog.dericbownds.net/2012/10/idle-minds-why-are-our-brains-so-active.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Mindblog+%28MindBlog%29