See the entire definition of Backbone. Biopsy: The removal of a sample of tissue for examination under a microscope to check for ... Blood clots: Blood that has been converted from a liquid to a solid state. Also called a t... Bone scan: A nuclear medicine technique for creating images of bones on a computer screen ...
Schmidt's study also stopped following the toddlers at age 3; she acknowledges that some cognitive changes may not occur until children are a few years older. TV exposure in babies younger than 2 doesn't do any good, Schmidt and Christakis agree.
The first British television broadcast was made by Baird Television's electromechanical system over the BBC radio transmitter in September 1929. Baird provided a limited amount of programming five days a week by 1930. television set, also called a television receiver, television, TV set, TV, or telly, is a device that combines a tuner, display, and speakers for the purpose of viewing television.