States of Germany and North Rhine-Westphalia are divided into governmental districts, or "Regierungsbezirke". In Rhineland-Palatinate, these districts were abolished on January 1, 2000, in Saxony-Anhalt on January 1, 2004, and in Lower Saxony on January 1, 2005. From 1990 until 2012, Saxony was divided into three districts (called "Direktionsbezirke" since 2008). In 2012, these districts' authorities were merged into one central authority, the "". The Districts of Germany "(Kreise)" are administrative districts, and every state except the city-states of Berlin and Hamburg and the state of Bremen consists of "rural districts" "(Landkreise)," District-free Towns/Cities ("Kreisfreie Städte", in Baden-Württemberg also called "urban districts", or
Germany–United States relations exchange programs and projects, and focus on space exploration, the International Space Station, environmental technology, and medical science. Import cooperations are also in the fields of biochemistry, engineering, information and communication technologies and life sciences (networks through: Bacatec, DAAD). The United States and Germany signed a bilateral Agreement on Science and Technology Cooperation in February 2010. In the post-war era, a number of institutions, devoted to highlighting American culture and society in Germany, were established and are in existence today, especially in the south of Germany, the area of the former U.S. Occupied Zone. Today, they offer English courses as