Science and technology in Argentina Argentina have enjoyed an international respect since the turn of the 1900s, when Dr. Luis Agote devised the first safe and effective means of blood transfusion as well as René Favaloro, who was a pioneer in the improvement of the bypass surgery . Argentina is the Latin American country with the most Nobel Prize laureates; and has three Nobel Prize winners in the sciences: Bernardo Houssay in Physiology or Medicine in 1947, Luis Federico Leloir in Chemistry in 1970, and César Milstein in Physiology or Medicine in 1984. Dr. Domingo Liotta created the first artificial heart in 1969, revolutionizing the
Artificial human companion selling rail or airline tickets. The core issue in all such systems is the dialog manager which is the element of system that determines what the system should say next and so appear intelligent or compliant with the task at hand. This research, along with work on computing emotion, speech research and Embodied Conversational Agents (ECAs) has led to the beginnings of more companionable systems, particularly for the elderly. The EU supported Companions Project is a 4-year, 15-site project to build such companions, based at the University of Sheffield. Artificial human companion Artificial human companions may be any kind of