Great inventions don’t have to be complicated. A new survey by the Massachusetts Institute of Technology asked Americans to name five inventions they could not live without. As expected, the smart phone, personal computer and automobile made the list, but the humble toothbrush emerged the undisputed champ as the most prized innovation. It’s been a long road to the top for the toothbrush. Prior to the toothbrush, people used bones, feathers and frayed twigs to clean their teeth. The first bristle toothbrush was invented in the 15th century in China and was originally concocted of boar’s hair and bone. The Read More →