using new methods, or achieving new results groundbreaking to help achieve something or make it successful to make a contribution to to attack by hitting repeatedly to bombard extremely great, important or strong tremendous a string of DNA, important for the development and functioning of living things chromosome the natural colour of something, for example someone's skin pigmentation someone who studies primates (e.g. chimpanzees, apes, etc.) a primatologist to publicly support to be an advocate for