Toothed whale brain size with the expected brain size based on such allometric analysis provides an encephalisation quotient that can be used as another indication of animal intelligence. Sperm whales have the largest brain mass of any animal on earth, averaging and in mature males, in comparison to the average human brain which averages in mature males. The brain to body mass ratio in some odontocetes, such as belugas and narwhals, is second only to humans. Dolphins are known to engage in complex play behaviour, which includes such things as producing stable underwater toroidal air-core vortex rings or "bubble rings". Two main
Creature with the Atom Brain (film) ("The Werewolf", "The Giant Claw" and "Zombies of Mora Tau"). "Creature with the Atom Brain" inspired the name of the Belgian rock band Creature with the Atom Brain, as well as the 1980 Roky Erickson & The Aliens song of the same name. Director Cahn would go on to make "Invisible Invaders" (1959) using the same basic concept (in the later film, invading aliens inhabit the reanimated corpses of humans). Creature with the Atom Brain (film) Creature with the Atom Brain is a 1955 American black-and-white zombie science fiction film from Columbia Pictures, produced by Sam Katzman, directed by Edward