A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
Fact
A polar bear's skin is black. Its fur is not white, but actually clear.
Fact
A pregnant goldfish is called a twit.
Body Facts
Long ago, rich people used to pay for teeth to be pulled from poor people � often teenagers � and implanted in their own jaws when their rotten teeth were removed.
Fact
A quarter has 119 grooves around the edge.
Fact
A queen bee uses her stinger only to sting another queen bee.
Fact
A rainbow can only be seen in the morning or late afternoon.
Fact
A rat can fall from a five story building without injury.
