The pupil of an octopus' eye is rectangular.
Io, a moon of jupiter, has the most active volcanoes in the solar system.
The twin towers of New Yorks World Trade Center contain 208 elevators. Elevators rank as the safest form of transportation, boasting only one fatality every 100 million miles traveled. Stairs, in comparison, are five times more dangerous.
Giraffes have the same number of neck bones as humans: seven.
Ellis Island opened to begin the processing of what would amount to more than 20 million immigrants to the United States in 1892. The immigration center was also used as a deportation station, and later, a Coast Guard Station, and then, a national park. Ellis Island is now a museum.
In 1825 Upper Peru became Bolivia.
Liquid air looks like water with a bluish tint.
An ounce of gold can be stretched into a wire 80 kms (50 miles) long.
The Atlantic Giant Squid's eye can be as large as 15.75 inches (40 centimeters) wide.
Ireland currently has the fastest growing economy in Europe - the economy grew by 40% from 1993-1997. It is for this reason that the country is referred to as the Celtic Tiger.