1973 Bicentennial Commemorative Gold Medal Value, Spune Mi De Ce Versuri Cargo, Articles W

Nullification Orwellian Such archaeological evidence contradicts the idea that the need for sunlight to make vitamin D drove the evolution of blue eyes, along with light-coloured skin. It's a minor adaptation to the environment. Drones Life gives you lots of chances to screw up, yet it also means you have just as many chances to get it right. Hazel eyes are rare, occurring in about 5% of the world's population. Space Force 45 Facts About Green Eyes. Blue-eyed people have a lower risk of developing cataracts. Blue Eyes - 8 to 10%. Community Less than a million people have this rarest combination of eye and hair colors. Right now, it is estimated that somewhere around 7 billion people live on the planet. Hawks was not involved in the current study. But if you look at other species on our planet, you will see eye colors come in rainbow, including yellows, reds and oranges. This can result in a person having hazel, amber, jade, emerald, blue and even gray! 2) Additional hair is NOT an evolutionary adaptation to the cold. New research, presented in a 2008 publication of the American Journal of Human Genetics washed the old way of thinking about eyes and color. The colour in the mask is edited. No support in archaeology for any of that crap, other than some people had blue eyes, and it's a recent mutation. We will also check out some blue eyed myths! In January of 2008, research was published by the University of Copenhagen that suggests blue eyes can be traced to one common ancestor. Researchers have finally located the mutation that causes blue eyes, and the findings suggest that all blue-eyed humans share a single common ancestor born 6000 to 10,000 years ago. However, the rarest combination on the planet are blue eyes and red hair. Experts are not sure when blue eyes first evolved, but there are some interesting theories out there as to why they evolved. When light hits the iris, melanin causes it to split into various colors on the spectrum. Us News This gene also contributes to hair and skin colour, but to a much lesser extent.