Old concepts seldom die. But each week's news is full of new evidence unearthed by probing scientists and curious journalists to cast doubt on some long-honored theories.
FOR generations, mothers have been ordering their children to clean up that plate; now medical scientists say that Mother's motto might well be "Eat less." See MEDICINE, The Fat of the Land.
PLAYWRITING is assumed to be an art requiring an idea, imagination and knowledge of life, but in current U.S. practice, all the dramatist needs is someone else's book. See SHOW BUSINESS, The Unoriginals.
MOST people think...