You may occasionally notice that a few Coca-Cola bottles at your grocery store sport yellow caps. What exactly does this mean ...

a yellow Coca-Cola bottle cap surrounded by red and white ones. - Mehaniq/Shutterstock ...

A pee color chart can help you understand your health. The color of your pee shows how hydrated you are and if certain things are in your body. For example, dark yellow or brown pee usually means ...