In this image released by the Columbus Zoo and Aquarium , a polar bear cub is tended to at the Columbus Zoo, Friday, November 13, 2015, in Powell, Ohio. The central Ohio zoo said Friday that staff started hand-rearing the week-old female cub after her mother, Aurora, began taking breaks from caring for her. The cub was born on Nov. 6. (Photo by Grahm S. Jones/Columbus Zoo and Aquarium via AP Photo)
