1) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.

2) The longest-running TV show in history is "The Simpsons," which has been on the air since 1989 and has over 700 episodes.

3) The world's largest flower is the Rafflesia arnoldii, which can grow up to 3 feet (1 meter) in diameter and weighs about 15 pounds (7 kilograms).

4) The first video game console, the Magnavox Odyssey, was released in 1972 and featured games such as Pong and Table Tennis.