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30,000-year-old fossilized vulture feathers 'nothing like what we usually see' preserved in volcanic ash"Fossil feathers are usually preserved in ancient mudrocks laid down in lakes or lagoons. The fossil vulture is preserved in ...
For over a century, astronomers have marveled at the beauty and complexity of spiral galaxies, which feature arms covered in ...
Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been ...
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