Nature is full of an almost infinite array of colors, but some are more unique than others. Apart from the inanimate sky and water, the color blue only some animals and flowers have the privilege of ...
Morning Overview on MSN
13,000-year artifact hides a rare blue pigment
A 13,000‑year‑old tool from a cave in central Germany has turned out to be far more than a simple piece of Paleolithic gear. Under a microscope, its surface revealed a vivid blue that should not have ...
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