 This was the first demonstration that endocrine disrupting chemicals (EDCs) can promote a transgenerational alteration in the epigenome that influences sexual selection, and possibly affect the viability of a population and evolution of the species.This work was recognized by the University Cooperative Society with the 2008 Research Excellence Award for Best Research Paper, University of Texas at Austin.It has already become a classic, being cited as "100 Top Science Stories of 2007."