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The world's oldest colour discovered

Ever wonder what the oldest colour in the world might actually be? A recent article published in the Proceedings of the National Academy of Sciences (PNAS) reveals that scientists have found the oldest "biological" colour: Bright pink.

Dr. Guneli from the Australian National University found molecules of ancient organisms from crushed billion-year-old rocks from West Africa. These pigments, which appear bright pink when diluted, were 500 million years older than the next oldest pigments.

To find out more about the Dr. Guneli's work, check the original article at PNAS here and The Guardian's coverage of the article here.