1) The game of rugby originated at Rugby School in England and has since evolved into different versions, including Rugby Union and Rugby League.

2) The world's largest volcano, Mauna Loa in Hawaii, is also one of the most active. It stands over 13,000 feet (4,000 meters) above sea level.

3) The word "computer" contains three vowels: O, U, and E.

4) Lightning strikes the Earth about 8 million times a day.