they say the eyes are the window to the soul, but they are also a wondow to your gene. Your iris regulates how much light enters your eye and protects internal organs from harmful UV radiation. But why exactly are irises colored? Find the answer here in this interesting infographic:
Beauty
Find Out How Humans Will Look Like In 1,000 Years…And WHY?
Find Out How Humans Will Look Like In 1,000 Years…And WHY? Ever looked at pictures of cavemen and thought, man we came a long way?
PositiveMed
Jan 8, 2016
