The mucus in your nose serves many functions. Its colour can tell you and your doctor a lot about what’s going on in your body. While this is not enough to diagnose anything outright ...

you’ve likely examined your mucus color, from yellow to green, for signs you may be healing. “We are in the midst of one of the most severe flu seasons in the past few decades, and it is ...

A gland in the snail’s foot secretes a mucus that creates slime trails, which help the snail glide across and stick to surfaces. The mucus also lubricates the snail and contains a special ...