简介: Twenty years after the disappearance of her daughter, a recovering alcoholic is preparing to host her family's Christmas celebration when her estran
简介:Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the worl
简介:In1956, four years before Jane Goodall ventured into the world of chimpanzees and seven years before Dian Fossey left to work with mountain gorillas,
简介:The pressure to achieve more, do more, and be more is part of being human - and in the age of Adderall and Ritalin, achieving that can be as close as