Researchers have taken issue with an article about epigenetics written by Siddhartha Mukherjee, a cancer researcher and Pulitzer Prize-winning author. Credit: Anna Schori/SCANPIX/TT News Agency/Press Association Images A story about epigenetics in the 2 May issue of The New Yorker has been sharply criticized for inaccurately describing how genes are regulated. The article by Siddhartha Mukherjee —