Virus and spyware definitions are files that act like an encyclopedia of known malicious software, including viruses, spyware, and other potentially unwanted software.
Highly accurate DNA parental testing became available in the 1980s with the development of RFLP. In the 1990s, PCR, developed in 1983, became the standard method for DNA parental testing. A simpler, faster, and more accurate method of testing than RFLP, it has an exclusion rate of 99.99% or higher.
DNA Evidence: A Brief History. The science of DNA testing was developed in 1985 by British scientist Alec Jeffreys. Genetic evidence was first tested using his method one year later to solve a double homicide in England and to link the suspect to other previously unsolved rapes and murders in the area.