Nobody likes to wait, and we are willing to pay to avoid it. Expedited shipping, fast food and video streaming are all profitable because they reduce or eliminate that wait. You can test this by ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

Have you ever wondered why our universe is made up of something rather than nothing? It can hurt your brain if you think about it too much because if there were nothing you would have no brain—no you ...

Depression feels weird compared to things like fear or anger, which help us survive by warning us of danger or pushing us into action. Instead, it slows us down, saps our energy, and makes us pull ...