The name of Mr. Spock's parents were Sarek and Amanda.

John Wayne played the leading role in 142 of his 153 movies.

The Ark of the Covenant was last seen in 586 BC.

The first leap year was 46 BC.

Bird guano is 11 to 16 percent nitrogen, 8 to 12 percent phosphoric acid, and 2 to 3 percent potash.

A baseball weighs between 5 and 5.25 ounces.