Every day we become blind for almost 40 minutes, but we don't even know it. We also sometimes notice ghosts or someone's face in the clouds. This is not fantasy or mysticism. This is how the ancient survival mechanism embedded in our brain works. Some people can distinguish up to 100 million shades - that's 100 times more than a normal person can see. Our explanation# deals with the secrets of human vision.

Every day we become blind for almost 40 minutes, but we don't even know it. We also sometimes notice ghosts or someone's face in the clouds. This is not fantasy or mysticism. This is how the ancient survival mechanism embedded in our brain works. Some people can distinguish up to 100 million shades - that's 100 times more than a normal person can see. Our explanation# deals with the secrets of human vision.