Add Yahoo as a preferred source to see more of our stories on Google. University of Utah freshmen Mae Rathbun, left, and Finley Hawkins, right, demonstrate scrolling through videos on TikTok at the ...

Happiness is a result. (Happiness is also a driver; research shows we work harder when we’re happier.) So when you need to make a major decision — to start a business, change careers, enter into a ...