Denton Cooley 1960s. He and his colleagues worked on developing new artificial heart valves from 1962 to 1967; during that period, mortality for heart valve transplants fell from 70% to 8%. In 1969, he became the first heart surgeon to implant an artificial heart designed by Domingo Liotta in a man, Haskell Karp, who lived for 65 hours. The next year, in 1970, "he performed the first implantation of an artificial heart in a human when no heart replacement was immediately available." Cooley's interests included basketball, which he played in high school and as a three-year letterman for the UT men's basketball
Human rights in Argentina and from work. Workers have the right to remove themselves from dangerous or unhealthy work situations without jeopardy to continued employment. However, workers who leave the workplace before it has been proven unsafe risk being fired; in such cases the worker has the right to judicial appeal, but the process can be very lengthy. Human rights in Argentina The history of human rights in Argentina is affected by the Dirty War and its aftermath. The Dirty War, a state-sponsored violence against Argentine citizenry from roughly 1976 to 1983, was carried out primarily by Jorge Rafael Videla's military government, ended years