1) Marilyn Monroe, born Norma Jeane Mortenson, was an iconic American actress, model, and singer, known for her beauty, charisma, and tragic personal life.

2) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.

3) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.

4) Hugh Jackman is an Australian actor, singer, and producer best known for his portrayal of Wolverine in the "X-Men" film series. He has also starred in musicals such as "Les Misérables" and "The Greatest Showman" and has received critical acclaim for his performances.