By Rebecca Trager2022-08-16T08:29:00
Source: © Getty Images
Most fossils are bones, but individual organs’ biochemistry determines whether they are preserved in rock
Why certain organs of animals fossilise and others simply disappear has remained a scientific mystery. But researchers in the UK studied the chemistry inside decaying fish while they rotted for two and a half months and discovered that it all depends on each organ’s phosphate levels.
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