An Egyptian Pharaoh named King Pepi II commonly smothered his servants in honey to keep flies away from him.

Source

Leonardo da Vinci was the first to explain why the sky is blue.

Source

Bill Gates bought the Codex Leicester in 1995 for $30 million. This manuscript, the only one not held in Europe, includes da Vinci’s studies on hydraulics and the movement of water.

Source

Louis Pasteur was responsible for saving France’s silkworm industry that was practically decimated in the mid 19th century.

Source

King George III’s urine was blue.

Source