Blue Eyes Blue Eyes, baby’s got blue eyes. Like a deep blue sea on a blue, blue day … Like a deep blue sea on a blue, blue day … So sang John Anderson in the famous Blue eyes and it is not the only singer, artist, poet, to be enchanted by a muse with blue eyes. This color is linked to a connotatively idea of purity, innocence, blue is the color of the sky, eyes of angels in paintings of Venus iconography, Women poets angelicata stilnovisti.

But there is a scientific explanation for the blue eyes? According to recent research published in the Daily Mail and conducted by scientists at the University of Copenhagen (where you have light eyes is certainly not a rarity), the blue eye mutation results from a genetic dating back some 10,000 years ago. The study, published in the journal Human Genetics, proves the occurrence of a single mutation in a gene called OCA2. The mutation would occur in one person, an inhabitant of the Black Sea coast and caused the cessation of production of brown pigment and modified in blue.

Since then, light eyes have begun to spread, especially in populations of Northern and Eastern Europe, and have a greater attractive force of dark eyes, simply because they are different. It is perhaps for these reasons that continue to inspire romantic songs or more that sell contact lenses colored blue? Who knows, it is certain that blue eyes are a legacy of that ancient gene OCA2, is thanks to him the welcome change that differentiates human eyes between light and dark. Another curious question solved by science.
Be careful; however, warn scientists, like all factors recessive, blue eyes could go back brown. The early twentieth century, half the U.S. population had blue eyes, now only one American in six has blue eyes. But for now this is enough to leave the blue eyes of the song by John Anderson crying in the rain…

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