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Francis Crick and Graeme Mitchison, two former researchers at the Salk Institute in California proposed that the purpose of dreaming is to remove undesirable interactions in the networks in the brain cells.
Frances Crick, one of the two men credited with discovering the structure of DNA, called Pauling the father of molecular biology.
She shifted her attention to the fire and rubbed the beginnings of a crick from her neck.
In 1953, James Watson and Francis Crick announced to the scientific world that they had solved the puzzle.