1) The world's oldest known living tree is a bristlecone pine named "Methuselah" in California, estimated to be over 4,800 years old.

2) The fastest land animal is the cheetah, capable of reaching speeds up to 70 miles per hour (113 kilometers per hour) in short bursts.

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

4) The world's largest ocean, the Pacific Ocean, covers an area of approximately 63 million square miles.