Enigmas, innovations and histories. Explore a deepsea mystery surrounding unexplained ocean sounds in The Bloop (USA, 7 min., Cara Cusumano). Bad Dog: A Penitentiary Tale (USA, 12 min., Sean McCoy) tells the true-crime story of a black lab accused of murder. Go behind the counter of Crown Candy (USA, 10 min., David Wilson, Kamau Bilal), a 102-yearold candy store. A Native American family embarks on a controversial journey through Yellowstone in Bisonhead ( USA, 9 m in., Elizabeth Lo). Learn about New York City’s potter’s field in Who’s Buried on Hart Island? (USA, 20 min., Jonathan Baudoin), and the origins of the World Wide Web from its founder’s perspective in ForEveryone.Net (USA, 35 min., Jessica Yu).