Scientists Explain How Some Ancient Human Brains Survived 12,000 Years
Recent scientific studies have investigated why some ancient human brains remain preserved while most soft tissue decays rapidly after death. Oxygen availability plays a critical role in determining whether brain proteins survive post-mortem. In moist, low-oxygen environments, decomposition promotes a process called protein cross-linking, which strengthens proteins and makes them resistant to breakdown. This chemical mechanism helps explain why certain ancient brains have endured for thousands of years even as other bodily tissues disappeared entirely.
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