Janet Collins was€” the first prima ballerina to perform at the Metropolitan Opera. Ed Palumbo/Library of Congress hide caption

Bambi, Disney's 1942 animated feature about a fawn's life in the woods, has a heartbreaking scene many young viewers never forget: the death of Bambi's mother. Sarah Boxer wrote about the pervasive theme of dead mothers in animated films and children's stories for this month's issue of The Atlantic. Disney Junior/Disney Channel via Getty Images hide caption

An artist's concept shows the New Horizons spacecraft as it approaches Pluto and its largest moon, Charon, in July 2015. Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute hide caption

Kathleen Raven, a health reporter, found out she had hearing loss when she was 5 years old. Jessica Horwitz hide caption