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520M-year-old arthropod brains turn paleontology on its head
- PeterWhittaker 11y agoSummary: Long-held belief - soft tissues don't fossilize. Researcher claimed to find fossilized brain, met with flack and disbelief, subsequently demonstrated how it could have happened (flash coverage with sufficient mud in sufficiently anoxic environment). Brain imprints are fossilized films of flattened carbon.