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.
WI-38 cells began to be in high demand during the 1960s. Despite Hayflickâs recognition for the WI-38 cultures, he remained in the same associate position at the Wistar Institute, which was partially funded by the US National Institutes of Health (NIH) headquartered in Bethesda, Maryland.