Scientists have spent a lot of time thinking about how the nutrients in whale feces—also known as whale pump —benefit species ...

Urine varies in color from pale yellow to deep amber, primarily due to urochrome, a byproduct of the normal breakdown of red blood cells. As these cells age, they are broken down, and urochrome is ...

Pale/amber urine If everything is normal and healthy, your pee should be pale yellow to golden. That hue comes from urochrome, which is a waste product from hemoglobin. If your pee has no color ...