08/08/2026
A T. rex femur cracked open in eastern Montana in 2000 revealed something science said couldn't exist: soft, stretchy tissue 68 million years old. Blood vessels, hidden cells, even proof the dinosaur was female. One broken bone from the Hell Creek badlands rewrote what we thought fossils could hold.
Web:
https://www.bigskytreasure.org/history/mysteries/t-rex-soft-tissue
