One of the oldest forms of recreation, puzzles may be solved individually, cooperatively, or competitively. Just as sports date from early feats of strength and physical skill in hunter-gatherer societies, puzzles rely on equally basic human abilities, especially that of ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles