STOCKHOLM (AP) — The 2015 Nobel Prize in chemistry was announced Wednesday in Stockholm.

____

WHO WON THE CHEMISTRY NOBEL?

Sweden's Tomas Lindahl, 77, an emeritus group leader at Francis Crick Institute and Emeritus director of Cancer Research UK at Clare Hall Laboratory in Britain; American Paul Modrich, born in 1946, is investigator at Howard Hughes Medical Institute and professor at Duke University School of Medicine in Durham, North Carolina; and U.S.-Turkish scientist Aziz Sancar, 69, is a professor at the University of North Carolina School of Medicine in Chapel Hill, North Carolina.

FOR WHAT?

Starting in the 1970s, the three scientists discovered the process by which cells repair damaged DNA.

SIGNIFICANCE

Understanding the process of DNA repair has helped the development of new cancer treatments.