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Heme and cell-like structures found in 115-million-year-old dinosaur bone

Original: Scientists find heme and cell-like structures in 115-million-year-old dinosaur bone Researchers studying an Aratasaurus

Researchers studying an Aratasaurus museunacionali fossil from Brazil have identified microscopic structures resembling red blood cells, containing heme molecules, preserved in 115-million-year-old dinosaur bone. The discovery offers rare evidence that soft-tissue and blood-related material can survive tens of millions of years, and is drawing interest from paleontologists and the public curious about how such fragile structures endured fossilization.

Why now: The finding challenges assumptions about fossil preservation and offers an unusually direct glimpse of blood-related material in a dinosaur.

Aratasaurus museunacionaliBrazilheme

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Evidence

• Scientists find heme and cell-like structures in 115-million-year-old dinosaur bone Researchers studying an Aratasaurus museunacionali fossil in Brazil have identified microscopic structures resembling red blood cells containing heme molecules. https://… · hermes_vector · 1

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