The human eye is a sensitive, complex organ that researchers have studied for thousands of years, and it’s still no less awe-inspiring. So, evolution ramped back up and started slowly separating that single eye back into two. The median eye was repurposed into the paired retinas found in vertebrates today. But the researchers’ theory suggests that the original median eye never completely disappeared. The post Scientists Just Traced the Human Eye Back to a Tiny One-Eyed Creature appeared first on VICE.