Portraits of the co-winners of the Nobel Prize in Chemistry 2015 (from left to right) Sweden's Tomas Lindahl, Paul Modrich of the US and Turkish-American Aziz Sancar are displayed on a screen during a press conference on October 7, 2015 at the Royal Swedish Academy of Sciences in Stockholm.
Portraits of the co-winners of the Nobel Prize in Chemistry 2015 (from left to right) Sweden's Tomas Lindahl, Paul Modrich of the US and Turkish-American Aziz Sancar are displayed on a screen during a press conference on October 7, 2015 at the Royal Swedish Academy of Sciences in Stockholm. JONATHAN NACKSTRAND AFP/Getty Images
Portraits of the co-winners of the Nobel Prize in Chemistry 2015 (from left to right) Sweden's Tomas Lindahl, Paul Modrich of the US and Turkish-American Aziz Sancar are displayed on a screen during a press conference on October 7, 2015 at the Royal Swedish Academy of Sciences in Stockholm. JONATHAN NACKSTRAND AFP/Getty Images

Duke, UNC scientists win Nobel Prize in chemistry for work on DNA repair

October 07, 2015 09:48 AM