1) The Great Wall of China is not visible from space without aid, contrary to popular belief.

2) The process of nuclear fusion powers the sun and other stars, fusing hydrogen atoms together to form helium and releasing vast amounts of energy in the process.

3) The New England Patriots and the Pittsburgh Steelers hold the record for the most Super Bowl wins, with six championships each.

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