Add Yahoo as a preferred source to see more of our stories on Google. Ur-ine luck if you've always wondered why pee is yellow. Researchers identified the enzyme responsible for urine's color, ...

Ur-ine luck if you've always wondered why pee is yellow. Researchers identified the enzyme responsible for urine's color, unraveling a mystery that's puzzled scientists for years, according to a study ...

Let’s talk about something you experience everyday, but may take for granted: that pee is yellow. A few weeks ago, I was surprised to learn that scientists only recently figured out why. That typical ...

Researchers have long known that a blood byproduct gives urine its yellow hue. But identifying the full chain of events that leads red blood cells to degrade into yellow urine has always proved ...

Red and yellow and pink and green—your urine can sing a rainbow too. You may be surprised to find out it can be purple and orange and blue. And a myriad of other unusual colors besides. Urine acts as ...

You may give your urine little thought until something seems off. Whether it smells funky or you suddenly have to pee every 10 minutes, out-of-the-ordinary bathroom habits can be alarming. But what ...