SWITSERLAND   –   The 2015 Nobel Prize for chemistry has been jointly awarded to three scientists for their “mechanistic studies of DNA repair,” the Royal Swedish Academy of Sciences announced yesterday. Tomas Lindahl, Paul Modrich and Aziz Sancar won “for having mapped, at a molecular level, how cells repair damaged DNA and safeguard the genetic information.”(CNN/photo: mshcdn.com)…[+]