Pigment Or Bacteria? The Idea Of 'Color' In Fossil Feathers Gets A Rethink

How do researchers know what color ancient fossils were when they lived? Paleontologists studying fossilized feathers have proposed that the shapes of certain microscopic structures inside the feathers can reveal the color of ancient birds but new research finds that it is not yet possible to tell if these structures – thought to be melanosomes – are what they seem, or if they are merely the remnants of ancient bacteria. read more

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