University Students Discover Decades-Old Time Capsule Filled with Hilarious Secret Treasures

The More You Know

• On Mars, sunsets are blue.
• A German and British aeroplane shot each other down in Norway during WWII. The crew met and helped each other survive. Two of them later visited each other many years after the war was over as friends.
• It's a tradition in Ireland that if you donated a pint of blood, they give you a pint of Guinness to replace the iron.
• More than 800 languages are spoken in Papua New Guinea.