Hilarious Teachers Who You Wish You Had In High School

The More You Know

• The world's oldest operating library is in Morocco.
• T-shirts were originally made for unmarried men who didn't know how to sew buttons on collared shirts.
• Nutella was invented during WWII, when an Italian pastry maker mixed hazelnuts into chocolate to extend his chocolate ration.
• The glow around the moon is called a "broch."