Evolving programs of the National Science Foundation.
D001695:Biology; D004190:Disasters; D004463:Ecology; D004782:Environmental Health; D005582:Foundations; D005828:Genetics, Population; D006077:Government Agencies; D008967:Molecular Biology; D010572:Pest Control, Biological; D012106:Research; D012109:Research Support as Topic; D012940:Social Problems; D013672:Technology; D014481:United States; D014887:Weather