Scientists amazingly uncover a 520 million-year-old fossil with its brain and guts intact: ‘Almost perfect preservation’

Fossils usually leave us with bones turned to stone, the hard remains of creatures long gone.

Scientists amazingly uncover a 520 million-year-old fossil with its brain and guts intact: ‘Almost perfect preservation’
Fossils usually leave us with bones turned to stone, the hard remains of creatures long gone.

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