The shape of the brow ridge and the brows themselves channel sweat, rain, and moisture away from the eyeballs so your vision stays clear. Second, they're essential for nonverbal communication. Scientists who study facial expressions say eyebrows are key to expressing happiness, surprise, and anger.
The reason why we have eyebrows was originally to keep rain and sweat out of our eyes. As a species we humans rely on our sight more than any other sense, .
Eyebrows are a very significant aspect of our appearance. They are one of the most distinctive features that make up our faces, and we pay a lot of attention to .
Eyebrows help keep water â€“ like rainwater, away from our eyes. The curved shape and thick hair directs the water sideways off our faces. â€œSo why not just use .