Spiders have transparent blood.

Spinach consumption in the U.S. rose 33% after the Popeye comic strip became a hit in 1931.

Spotted skunks do handstands before they spray.

St. Paul, Minnesota was originally called Pigs Eye.

Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.

Stilts were invented by French shepherds who needed a way to get around in wet marshes.