Fast facts about the most abundant mineral in your body.

Fast facts about music legends Gordon Lightfoot and Bing Crosby.

The comedian, writer, and character actor, born Harry Einstein, became famous as the Greek chef Nick Parkyakarkus on the Eddie Cantor and Al Jolson radio programs.

Fun facts about the Republic of Georgia.

Known to several generations of East Coast kids as "Uncle Floyd", the local TV host became a cult hero with a 13,000-member fan club.

Fast facts about some of opera's biggest stars.

For part of the 1960s, the Rat Pack, an informal group of entertainers most famously comprising of Frank Sinatra, Dean Martin, Sammy Davis Jr., Joey Bishop and (until 1962) Peter Lawford, dominated the Las Vegas scene and appeared in a number of films together.

Known for his extraordinary technical ability, the jazz pianist is considered to be one of the greatest ever, despite suffering from vision problems that stemmed from infancy.

The Cincinnati-based company pioneered a vacuum-assisted breast biopsy system that is primarily used to diagnose breast cancer by obtaining large tissue samples, but is also used to treat and remove benign breast lesions.

The Emmy-winning director is most notable for his work on Get Smart (where he directed 22 episodes) but worked on other classic TV hits as well, including Hogan's Heroes, Love, American Style, and M*A*S*H.