1) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

2) The first car with air conditioning was released in 1939.

3) 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.

4) The world's oldest known recipe is for beer and is over 4,000 years old.