improtant 7 weird facts about eyes
fact 1 : On a clear, moonless night the human eye can detect a match being struck 50 miles away. fact 2 : The human eye can detect 10 million different shades of colour. fact 3 : All blue-eyed people are mutants. The first ones appeared as recently as 5,000 years ago. fact 4 : An octopus can ooze through an opening no bigger than its own eyeball. fact 5 : Beavers have transparent eyelids so theycan see underwater with their eyes shut. fact 6 : If all the time our eyes are shut when blinking is added together, we spend 1.2 years of our waking lives in pitch darkness. fact 7 : The trap-jaw ant has the fastest bite in the world: its jaws close 2,300 times faster than a blink of an eye. fact 8 : Scallops have up to 100 eyes.