The Arkansas River is the longest stream to flow into the Mississippi-Missouri river system. Its total length is 1,450 miles.
In 1920, 57% of Hollywood movies billed the female star above the leading man. In 1990, only 18% had the leading lady given top billing.
In 1221 the daughter of Genghis Khan ordered the killing of the entire population of the city of Nishapur (about 60,000) in one hour. The order came after her husband killing.
The average temperature at 40,000 feet above sea level is -60 F.
As a teenager, Kevin Costner sang in a church choir.
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.
In a lifetime the average US resident eats more than 50 tons of food and drinks more than 13,000 gallons of liquid.
Lima beans contain cyanide!
Christian Barnard performed the first heart transplant in 1967 - the patient lived for 18 days.