Culturelles, enables students to obtain a double diploma of both the HHU and the University of Nantes. At doctoral level the academy of the Faculty of Arts and Humanities, PhilGrad, offers a broad range of counselling and career-relevant courses. Further support for structured doctorates provide programmes in the history of art (RTG 1678), in linguistics (research training in CRC 991), in ageing-related studies and in democracy research (Link.De) as well as within two German-Italian programmes (Interculturality and Communication, "Doctor Europaeus"). Among the research hubs in the faculty are linguistics (CRC 991), politics (Research Unit 1381), ancient history (funded by the NRW Academy for the Arts and Sciences), the history of art, and editing studies (complete works editions of Max Weber and Martin Buber in progress). Beyond that, the Faculty of Arts and Humanities contributes to HHU's Institute of German and International Party Law and Party Research (PRuF). Mathematics and Natural Sciences HHU's second largest faculty offers its approximately 6,500 students (winter semester 2011/12) ten basic programmes (B.A. and state examination) and nine graduate programmes (MSc). Special programmes such as the four-year "bachelor plus", in which students spend one year at Michigan State University in East Lansing or at the University of Western Australia in Perth, and the international MSc in Biology enable students to gain international experience. The faculty has institutionalised support for doctoral studies in the form of iGRAD, the Interdisciplinary Graduate and Research Academy Düsseldorf to establish network structures and offer counselling and training services for doctoral students, supervisors and research training groups. Further backing for structured doctorates provide the following programmes: RTG 1203 Dynamics in Hot Plasms (DFG), Graduate Cluster CLIB, NRW Research Academy Biostruct, RTG "Molecules of Infection" (Manchot Foundation), the international graduate school iGRAD-Plant in collaboration with the Forschungszentrum Jülich and Michigan State University, US; and the internally funded initiatives vivid, e-norm, and iGRASPseed. Research hubs with a significant volume of third-party founded collaborative projects are biology (Cluster of Excellence on Plant Sciences CEPLAS) and physics (CRC-TR 6, CRC-TR 18). The Biomedical Research Center (BMFZ) and the Bioeconomy Science Center (a cluster of 54 departments of the universities of Aachen, Bonn and Düsseldorf, as well as the Forschungszentrum Jülich) are important organisations forming the local research environment. Business Administration and Economics One of HHU's smaller faculties, the Faculty of Business Administration and Economics, attracted about 1,100 students in the winter semester 2011/12. The faculty is