AAAS Report: Scientists gathering in Toronto for a meeting of the American Association for the Advancement of Science are interviewed about the role of the scientific community in the nuclear arms race. One of the Family: A Toronto family whose youngest member was born with cerebral palsy is profiled, focusing on their reactions to his birth and his development with the help of doctors and therapists. Oyster Culture: A look at a Japanese oyster harvesting operation and at oyster farms in Sierra Leone, West Africa, and Sabah, Malaysia.