Science reveals secrets of a mummy's portrait

3 days ago 6
How much information can you get from a speck of purple pigment, no bigger than the diameter of a hair, plucked from an Egyptian portrait that's nearly 2,000 years old? Plenty, according to a new study. Analysis of that speck can teach us about how the pigment was made, what it's made of - and maybe even a little about the people who made it.
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