(CNN)Mourners held a heavenly birthday memorial Sunday for Victoria Martens, the 10-year-old New Mexico girl who Albuquerque police say was raped by her mother's boyfriend and then killed while her mother watched.
RNA interference (RNAi) is a natural process that cells use to 'turn off' or silence unwanted or harmful genes. The initial discovery of this phenomenon was in 1991, by scientists trying to deepen the colour of petunias. Surprisingly, by introducing a gene for colour, they found that they had turned off the gene.
Retroactive interference is the amount of information that can be forgotten by a person over time due to. newly learned material. In this paper we establish a relationship between the amount of information forgotten by college. students while they read and watch television and the time taken to forget it.