Gunther Zupanc Professor of Biology g.zupanc@northeastern.edu 617.373.2260 Expertise behavioral neurobiology, Comparative Neurobiology, Developmental Neurobiology, regenerative biology Gunther Zupanc for Northeastern Global NewsNortheastern researchers may have discovered why some tumors grow back aggressively after radiation, chemotherapy by Laura Castañón February 25, 2019