Why Do We Have Eyebrows?

The video explores how eyebrows help express emotions like scared and angry by changing their position. Eyebrows are crucial for non-verbal communication and also protect the eyes from water, sweat, and debris. They act like natural umbrellas, preventing moisture from entering the eyes. Human vision is remarkable, and eyebrows play a role in maintaining eye health. Historically, eyebrows helped humans avoid predators by keeping vision clear. Today, they continue to protect and help express emotions.

What new insight or understanding did you gain from this video?