Continental drift Continental drift Continental drift is the theory that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. The concept was independently and more fully developed by Alfred Wegener in 1912, but his theory was rejected by many for lack of any motive mechanism. Arthur Holmes later proposed mantle convection for that mechanism. The idea of continental drift has since been subsumed by the theory of plate tectonics, which explains that the continents
European Association for the Study of the Liver European Association for the Study of the Liver The European Association for the Study of the Liver (EASL) is a European professional association for liver disease. EASL was founded by the German physician Gustav-Adolf Martini in April 1966, in Marburg, Germany, to promote research on the liver and its pathology and to improve therapy for liver disorders. EASL's founding was inspired by the American Association for the Study of Liver Diseases (AASLD, created in November 1949) and the International Association for the Study of the Liver (IASL, created in 1958). EASL is a non-profit organization, composed solely of individual members,