The kea, a bird native to New Zealand, has a particular affection for rubber. Stories abound in which the kea pecks away at the rubber of a vehicle's windshield wipers, though birds reportedly release their grip if the driver accelerates past 40 miles per hour

Television viewers remember Ray Charles's endorsement of Pepsi in a series of commercials first broadcast in 1989. What they may not remember is that only 20 years earlier, Charles had endorsed Coke.

The "Pap" smear has helped to cut cervical cancer fatality rates by close to half since it was first introduced in the 1940s. But what does "Pap" stand for? The term is a shortened form of the inventor's full name, George Papanicolaou.

Historians have suggested that the apple Isaac Newton watched fall to the ground as inspiration for his law of gravitation was most likely a variety of cooking apple known as the Flower of Kent.

Economists point out that about 1.3 billion people live on less than $31 a month.

At any given moment, on average, 60,000 people are airborne over the United States.

M & M stands for Victor Mars and his business associate Mr. Merrie. Together, they developed the candy in 1941.