Along with the green pigment are yellow to orange pigments, carotenes and xanthophyll pigments which, for example, give the orange color to a carrot. Most of the year these colors are masked by great ...

This cold and flu season, you may be looking for clues you're getting better anywhere you can find them, even in the color of your snot.

Green (or blue ... to your doctor right away if you're concerned or if your pee's color doesn't return to the normal shade of yellow in a day or so.