Artificial heart newer versions, such as the Heartmate II, developed by The Texas Heart Institute of Houston, provide continuous flow. These pumps (which may be centrifugal or axial flow) are smaller and potentially more durable and last longer than the current generation of total heart replacement pumps. Another major advantage of a VAD is that the patient keeps the natural heart, which may still function for temporary back-up support if the mechanical pump were to stop. This may provide enough support to keep the patient alive until a solution to the problem is implemented. In August 2006, an artificial heart was implanted
Education in Argentina are a significant number of private schools and universities. The education in Argentina known as the "Latin American docta" has had a convoluted history. There was no effective education plan until President Domingo Sarmiento (1868–1874) placed emphasis on bringing Argentina up-to-date with practices in developed countries. Sarmiento encouraged the immigration and settling of European educators and built schools and public libraries throughout the country, in a programme that doubled the enrollment of students during his term; in Argentina, Teacher's Day (on September 11) commemorates his death. The first national laws mandating universal, compulsory, free and secular education (Law 1420 of