A person who died in March discovered Uranium-235.
NAST may refer to  :. National Association of State Treasurers -LRB- United States -RRB-. National Association of State Treasurers. National Association of State Treasurers. United States. United States. National Agency for Science and Technology. National Association of Schools of Theatre. Navigation / Attack Systems Trainer. Nuclear Accident Support Team. Nepal Academy of Science and Technology. Nepal Academy of Science and Technology. Nepal Academy of Science and Technology