1) George Clooney is an American actor, filmmaker, and activist. He gained fame for his role in the television series "ER" and has since starred in successful films such as the "Ocean's" trilogy, "Syriana," and "Up in the Air," winning several awards for his performances.

2) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.

3) The first bank in the world, Banca Monte dei Paschi di Siena, was established in Italy in 1472 and is still in operation today.

4) The Great Barrier Reef in Australia is the largest living structure on Earth and can be seen from space.