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
The Brain of Morbius to the James Whale "Frankenstein" film released by Universal Studios. Upon the story's original broadcast, Mary Whitehouse (of the National Viewers' and Listeners' Association) complained of the violence displayed; she was quoted saying that "The Brain of Morbius" "contained some of the sickest and most horrific material seen on children's television". At the time the programme was under close scrutiny by the NVALA; complaints centred on the shooting of Condo by Solon with a resulting spurt of blood. The story was repeated on BBC1 at 5:50 pm on 4 December 1976, edited and condensed into a one-hour-long omnibus episode. This