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 without damaging it, revealing details rarely p...

Source: [ScienceDaily](https://www.sciencedaily.com/releases/2026/09/260922005709.htm)

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