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

2) The ocean is home to an incredible variety of marine life, including thousands of species of fish, mammals, reptiles, and invertebrates.

3) The Great Barrier Reef in Australia is the largest living structure on Earth and can be seen from space.

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