I don’t know, frankly, but I sure as hell know that it ain’t 75 million years old. My sandwhich in my lunchpail gets dry between 5:00 am when it is made and 12:00 noon when I eat it. Somebody’s full of sh*t.
"Palaeontologists have sequenced some protein from a 68-million-year-old fossilized Tyrannosaurus rex bone."
I believe your problem is with Palaeontology and geology.
These are pdf links:
Soft tissue taken from 68 million-year-old Tyrannosaurus rex fossil yields original protein
lol. Yep. It’s all a dumb show.