Medicine: Fantastic Voyage

Two-thirds water, the rest nitrogen, carbon, calcium and a myriad of other chemicals—worth only about $5, even at today's inflated prices. That is the strange machinery of the human body. It appears in unprecedented and almost incredible detail this week on the Public Broadcasting Service (see facing page). Produced by the National Geographic Society and Wolper Productions, created by Irwin Rosten and narrated by Actor E.G. Marshall, the hour-long film is entitled, naturally enough, The Incredible Machine. It uses microscopy, X rays and telescopic lenses tiny enough to penetrate the body's innermost recesses to capture the color, texture and activities of...

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