After Hearing Strange Sounds Coming from Their Walls, One Family Discovers Something They Never Thought They Would Find

The More You Know

• Humans specifically have eyes that face forward for the purpose of seeing in 3D.
• A blue whale's tongue weighs as much as an elephant.
• 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.
• People don’t sneeze in their sleep due to their brain shutting down the reflex.