Humans have evolved with numerous advantages that set us apart from every other species on Earth. From our large, intelligent brains to our ability to walk upright and use opposable thumbs, these traits have allowed us to shape our environment and dominate the planet. Still, not every evolutionary feature has an obvious purpose.
Some aspects of our physiology remain puzzling even to scientists. Among the most intriguing is the human chin, a small but unique projection found in no other animal. What purpose does it serve, and why do we have it at all? In this gallery, we explore the mystery of the chin, humanity’s most peculiar evolutionary signature. Curious? Click to know more.