"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...

Many of us begin a new year hoping to become better versions of ourselves. Some aim to improve their health, others focus on personal goals, and of course, expanding our knowledge is always a win.

“Did you know” facts are everywhere, and you might start to hear some over and over again, on the back of a Snapple cap or ...