"Beowulf, " the original action-adventure yarn -- it's the oldest epic narrative verse written in the English language, dating back to the eighth century -- has been spiked with enough risque business and healthy splatterings of gore to make it unsuitable for kids (the rating is PG-13).

CNN: Review: Exciting 'Beowulf' jumps off the screen

While there is written evidence dating back to 1821 indicating such a language existed, beginning in the 1940s it started to get largely phased out in favor of American Sign Language.

CNN: Researchers document distinctive Hawaii Sign Language

Patti Wood, a body-language expert in Atlanta, says politicians, business executives and people preparing for job interviews or who are dating come to her to learn how to smile most effectively and project a positive image.

WSJ: Stress-Busting Smiles