A close-up photograph of what appears to be a light-brown human eyeball shows the organ's expansive, cavernous depths surrounding a seemingly bottomless, black pit that, together, mimics the ...

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A study published in Nature Communications reveals the first documented case of blue eyes in a 17,000-year-old newborn from the Paleolithic era, born with a heart condition. The remains of the ...

In 2008, a study led by Hans Eiberg from the University of Copenhagen claimed that all blue eyes link back to a single ancestor who lived between 6,000 and 10,000 years ago.