Finding the exact difference between two dates in Excel may not be the most used feature, but it can be a lot of fun. A classic example is working out someone’s age. It’s not as complicated as it ...

Social Security is typically an important part of a retiree’s income plan, so it makes perfect sense to do everything possible to maximize that benefit. For some folks, taking it early at 62 makes ...

We know quite a lot about stars. After centuries of pointing telescopes at the night sky, astronomers and amateurs alike can figure out key attributes of any star, like its mass or its composition. To ...