A pristine Mesozoic bird fossil showed impressions of feathers and even some organs, including what appear to be lungs. The technical article published in the leading journal PNAS did not report any original body tissue, nor any substance that literally felt soft.1 Instead, the now-decomposed lungs left such detailed impressions that researchers saw lung microstructures. Two aspects of this set of probable lungs confirm … More…
Source: icr.org
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