1) The Indian Ocean is the third-largest ocean and is characterized by its warm waters and diverse marine life.

2) The intensity of cyclones is often measured using the Saffir-Simpson Hurricane Wind Scale, which categorizes them based on their sustained wind speeds.

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

4) 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.