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Rethinking Fossils

Every time a new fossil turns up, a theory quakes. New evidence can subject a theory to the falsification test.

Crinoid Pigment: 240 Million Years and No Evolution

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

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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