Today's Joke:
Tickets for Frank Sinatra's first solo performance at the Paramount Theatre in New York City in 1942, sold for 35 cents each.

Jim Morrison found the name "The Doors" for his rock band in the title of Aldous Huxley's book "The Doors of Perception, which extolls the use of hallucinogenic drugs.

The Chinese invented eyeglasses. Marco Polo reported seeing many pairs worn by the Chinese as early as 1275, 500 years before lens grinding became an art in the West.

Did you know that the size of the compact disc, the playing length and the size of the hole in the middle were determined during negotiations between Philips and Sony in the 1980s. They figured that the size of a beer coaster would be "in the ballpark". The hole in the middle is exactly the size of a Dutch dime. The playing length was determined by the Japanese. The wife of Akio Morita, the president of Sony, played classical music, among which Beethoven's 9th which had to fit on the CD. It's 72 minutes long. The inner diameter in combination with the playing length determined the eventual outer diameter of 12 cm.

Tooth enamel is the hardest substance manufactured by the human body.

The epidermis, the outermost layer of the skin, sheds itself at a rate of about a million cells every 40 minutes. In the second it takes to turn the page of a book, you will lose about 3 million red blood cells. During that same second, your bone marrow will have produced the same number of new ones.

The average square inch of skin holds 650 sweat glands, 20 blood vessels, 60,000 melanocytes (pigment cells), and more than a thousand nerve endings.

The rush of air produced by a cough moves at a speed approaching 600 miles per hour.

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