Food for Thought Egervari G, Glastad KM, Berger SL. Science. 2020;370(657):660-662. doi: 10.1126/science.abb4367. Related people Shelley L. Berger, Ph.D. Daniel S. Och University Professor; Director, Epigenetics Institute; Penn Integrated Knowledge Professor (PIK); Co-leader, Tumor Biology Program, Abramson Cancer Center