Cetacea of any animal on earth, averaging and in mature males. The brain to body mass ratio in some odontocetes, such as belugas and narwhals, is second only to humans. In some whales, however, it is less than half that of humans: 0.9% versus 2.1%. The sperm whale ("Physeter macrocephalus") is the largest of all toothed predatory animals and possesses the largest brain. The cetacean skeleton is largely made up of cortical bone, which stabilizes the animal in the water. For this reason, the usual terrestrial compact bones, which are finely woven cancellous bone, are replaced with lighter and more elastic
Creature Features the 1970s, the films of Amicus Productions and Tigon British Film Productions, which included "Dr. Terror's House of Horrors" and "The House That Dripped Blood", became popular features on the shows. "Creature Features" also aired many "nuclear monster" and "space alien" science fiction movies. Created in the 1950s, these movies generally featured giant mutant monsters or aliens from outer space terrorizing Earth. These included "Attack of the 50 Foot Woman", "The Amazing Colossal Man", "Them!", "Tarantula", "The Thing from Another World", "It Came from Outer Space", "The War of the Worlds", and "Forbidden Planet". "Creature Features" usually aired on Friday