The following is a rare "on-topic" article. http://www.unh.edu/news/releases/2013/jun/ds11nasa.cfm Moon Radiation Findings May Reduce Health Risks to Astronauts DURHAM, N.H. –- Read more: http://www.unh.edu/news/releases/2013/jun/ds11nasa.cfm#ixzz2VyhPrzbl