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The findings add to the growing body of evidence that structures like blood vessels and cells can persist over millions of years
Soft Tissue in Dinosaur Bones: What Does the Evidence Really Say
Titanosaurs were the biggest land animals Earth's ever seen
What's warming the cold-blooded iguana?
Biological Sciences, Page 3
Historic fossils find new life telling the story of ancient proteins
Machairodontinae - Wikipedia
Carbon-14-dated dinosaur bones, non permineralized fossils, and
75-million-year-old dinosaur blood and collagen discovered in
Dinosaur Shocker, Science