How Humans Lost Our Chance at a Third Eye
Lizards have a fiddling superman at the top of their heads that is called a “ parietal oculus . ” This optic is not as complex or as utilitarian as the two in the front of their top dog , but it does respond to light source . Are they finally give out to have a third centre ? No . It ’s just a vestigial trait . In fact , it looks like most brute — including man — had a chance at a third oculus , and we burn out it ....