Surprisingly Colorful Fossil Snail Shells

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Finding organic compounds such as flexible dinosaur collagen and complete bone cells1,2 is becoming common, much to the shock and consternation of the evolutionary community. We can now add to the growing list a recently discovered organic compound in fossil snail shell called polyene—a hydrocarbon with a number of carbon-carbon double bonds that undergo conjugation (linking together), resulting in some rare visual properti… More…