In 'Gulliver's Travels,' Jonathan Swift described the two moons of Mars, Phobos and Deimos, giving their exact size and speeds of rotation He did this more than 100 years before either moon was discovered

Athletic supporters were introduced in 1874 to help bicycle riders as they pedaled over cobblestone roads The term 'jock strap' comes from these early 'bicycle jockeys'

The typical pencil can draw a line 35 miles long

Dr Seuss and Kurt Vonnegut went to college together

The daughter of confectioner Leo Hirschfield is commemorated in the name of the sweet he invented: Although his daughter's real name was Clara, she went by the nickname Tootsie, and in her honor, her doting father named his chewy chocolate logs Tootsie Rolls.

It is the larvae of moths that can damage cloths, not the moths themselves

When honey is swallowed, it enters the blood stream within a period of 20 minutes.

When Heinz ketchup leaves the bottle, it travels at a rate of 25 miles per year

General US Grant owned slaves

In 1810 US population was 7,239,881. Black population at 1,377,808 was 19%. In 1969 US population reached 200 million.