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Crinoid Pigment: 240 Million Years and No Evolution

Pigments from crinoids fossilized in early Mesozoic strata are identical to modern counterparts.

Wood You Cellulose for Starch?

Cellulose is the most abundant biomolecule, but how it's made still baffles scientists. Soon, though, you may be able to eat it.

Intact Biomolecules Claimed to Be 350 Million Years Old

The oldest recovered biomolecules have been found in crinoid fossils – but are they really that old?
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