1) Egyptian mythology centers around deities such as Ra, Osiris, Isis, Horus, and Anubis. It explores concepts of creation, death, and the afterlife, with elaborate rituals and beliefs shaping ancient Egyptian society. The mythology is richly depicted in temple reliefs, burial sites, and hieroglyphic texts.

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

3) The coldest known temperature in the universe was achieved in a laboratory in 2019, reaching a fraction of a degree above absolute zero (-273.15 degrees Celsius).

4) The world's most expensive car is the Bugatti La Voiture Noire, which sold for over $18 million.