A cat's arching back is part of a complex body language system, usually associated with feeling threatened. The arch is able to get so high because the cat's spine contains nearly 60 vertebrae which fit loosely together. ...Read More

A Harvard study of college drinking showed that more than 40 percent of students indulge in binge drinking, which is defined as consuming five drinks at one sitting by men or four drinks by women. Of college students who ...Read More

Civil War General Thomas Jonathan "Stonewall" Jackson has two separate burial sites. His left arm, which was amputated after the battle of Chancellorsville, was buried on a nearby farm. A week later, Jackson died and was ...Read More

Coins are usually made of copper and another element, such as zinc or nickel. Currency paper is composed of 25 percent linen and 75 percent cotton. Red and blue synthetic fibers of various lengths are distributed evenly ...Read More

You probably never thought about a cat as being either left- or right-pawed, but over 40 percent are either lefties or righties. That means there’s quite a few out there who are ambidextrous. Luckily for them, they can ...Read More

According to the U.S. Lawn Tennis Association, a tennis ball is supposed to bounce between 53 and 58 inches when it is dropped on concrete from a height of 100 inches. The concrete surface should be 4 inches thick.