January 22 Denmark Introduces Compulsory Sex Education Teaching Sex in Schools—Beneficial or Dangerous? Population Problem What Does Your Voice Express? Enamel The Man Alexander the Great Water—Marvelous Gift to Man Old Age Can Be Enjoyable Insects by the Million I Was a Worshiper of a Hindu Goddess A Doctrine of Pleasure Can Computers Aid Bible Scholars? Watching the World Fiery Destruction Foretold for Nations Did All Races Come from One Human Pair?