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

2) The United Nations Security Council is responsible for maintaining international peace and security, with five permanent members (China, France, Russia, the United Kingdom, and the United States) holding veto power over resolutions.

3) Gelato, an Italian frozen dessert, is similar to ice cream but has a denser and creamier texture. It is made with milk, sugar, and various flavorings, such as fruit, chocolate, or nuts. Gelato is churned at a slower speed than ice cream, incorporating less air and resulting in a richer consistency. It is served at a slightly warmer temperature than ice cream, allowing the flavors to be more pronounced. Gelato is a beloved treat, particularly in Italy, where it is enjoyed in countless flavors and gelaterias.

4) The human body contains enough carbon to make over 9,000 pencils.