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A broken rib from the world’s largest T. rex hid a 66-million-year-old secret

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24/09/2026 às 02:2041 浏览
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A broken rib from Scotty, the largest known T. rex skeleton, contains an extraordinary fossilized network of blood vessels formed while the dinosaur was healing. Scientists used neutron and X-ray imaging to look inside the 66-million-year-old bone wi…
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