http://www.pnas.org/content/107/15/6753.full
http://news.bbc.co.uk/2/hi/health/8593748.stm
http://news.ycombinator.com/item?id=2007859
Thanks for this.
Tip for posters: when linking to original research, include the title, abstract, journal etc please!
http://www.pnas.org/content/107/15/6753.full
http://news.bbc.co.uk/2/hi/health/8593748.stm
http://news.ycombinator.com/item?id=2007859