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

2) The sport of golf originated in Scotland and is played on courses with 18 holes, each with a designated par score.

3) The Mona Lisa, painted by Leonardo da Vinci, is one of the most famous and valuable artworks in the world.

4) Angelina Jolie is an American actress, filmmaker, and humanitarian. She has received critical acclaim for her performances in films such as "Girl, Interrupted," "Mr. & Mrs. Smith," and "Maleficent," and has been actively involved in humanitarian work around the world.