1) J.K. Rowling's "Harry Potter" series of books has sold over 500 million copies worldwide and has been translated into 80 languages.

2) The English alphabet has five vowels: A, E, I, O, and U.

3) The human body contains enough carbon to make over 9,000 pencils.

4) The deepest part of the ocean is the Mariana Trench, reaching a depth of about 36,070 feet (10,994 meters).