CU of liquid being poured on glass slab. MS of woman technician taking fingerprints of man from under water. MS of two women technicians cataloguing film slides. CUs of hands punching numerals on microfilm, of hand adjusting timer dial. HACS of liquid (nitrogen?) being poured over dead guinea pig lying in tray. TILT DOWN technician putting on special protective clothing against radioactivity. CU of protective shoes in rack.