There are so many mysteries in the world: does the Meg still live in the ocean, who lives at the bottom of the Bermuda Triangle, why do escalators have brushes? Wait. I know the answer to the last one and I'm ready to share it with you. There are numerous hidden secrets in everyday objects that surround you. The more you know them, the better you understand the world around you. Are you ready to find out what they are? Date: 2022-04-19
