Shots of doctor and nurses working on patient's arm. CU of arm, apparatus. MCS of nurse taking blood sample from man's finger tip. Shot of laboratory technician working at apparatus for testing blood. Shot of doctor and nurse working on patient. Interior shots of well stocked hospital (or chemical) laboratory, white frocked men and women at work. Shots inside dentistry school, of apprentice dentists at work. Shot of x-ray technician taking x-rays of man. CU of automatic recorder in operation. Shots of surgery, patient not shown. MS of man working on blue print. Interior shot of university class, several servicemen present, listening, leaving at end of lecture. Shots of men tending horses in stable, of technicians inoculating eggs, of laboratory technician working in blood bank (?). CU PAN of mounted display of butterflies, bugs. HAS of fishes in tank as net dips in and captures one. Side shot of several dog fish in tank. PAN past dental patients in chairs being worked over by student dentists.