Research stations for tea, tobacco, and other aspects of agriculture conduct their activities under the auspices of the Ministry of Agriculture. The Ministry of Forestry and Natural Resources maintains forestry and fisheries research units. The University of Malawi includes Bunda College of Agriculture and Kamuzu College of Nursing, both at Lilongwe; Malawi Polytechnic and the College of Medicine at Blantyre; and Chancellor College at Zomba, which has a faculty of science. The Geological Survey of Malawi, founded in 1921, is headquartered in Zomba. The Medical Association of Malawi, founded in 1967, is headquartered in Blantyre. In 1987–97, science and engineering students accounted for 27% of college and university enrollments.