Around noon one day last June, an elderly woman was mugged in an alley in San Pedro, Calif. Shortly afterward, a witness saw a blonde girl, her pony tail flying, run out of the alley, get into a ...

Life is uncertain. None of us know what is going to happen. We know little of what has happened in the past or is happening now outside our immediate experience. Uncertainty has been called the ...

Starting with Newton’s first law of motion, we delve into how objects behave when they are at rest or in uniform motion. The second law unravels the relationship between mass, acceleration and ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, ...