8 Weird Body Parts And Their Surprising Purposes

Though the hairy strips are especially useful for communicating those “say what?” moments, their main purpose is to protect our eyes from debris, water, and sun. Eyebrows are also a crucial factor in face recognition. When volunteers in an MIT study were asked to identify photos of 50 famous faces with their eyes digitally removed, they could recognize the individuals 60 percent of the time. When the faces lacked eyebrows, however, participants could only ID them 46 percent of the time.