Question: What is there in the bones of a 65 million year old dinosaur?

Is there bone marrow in dinosaur bones?

Even so, scientists have found intact soft tissue in dinosaur bones before. The most famous case dates to 2005, when Mary Schweitzer of North Carolina State University found collagen fibers in the fossilized leg bone of a Tyrannosaurus rex.

How do we know dinosaurs are 65 million years old?

Todays knowledge of fossil ages comes primarily from radiometric dating, also known as radioactive dating. Radiometric dating relies on the properties of isotopes. These are chemical elements, like carbon or uranium, that are identical except for one key feature -- the number of neutrons in their nucleus.

Is there a 100% dinosaur skeleton?

Afternoon News. RALEIGH, N.C. — A 67-million-year-old battle for the ages is heading to the North Carolina Museum of Natural Sciences. All those years ago, a Tyrannosaurus rex and a Triceratops horridus were buried together. This is also the only 100% complete skeleton of a Tyrannosaurus ever discovered.

What did scientists find in the Trex bone?

In 2003, an exceptionally well preserved T. rex leg bone was unearthed in the cretaceous rocks of Montana. Upon close examination, Dr. Mary Schweitzer found the bone to contain soft tissue inside – tiny blood vessels and proteins!

Can bones really last millions of years?

Our bones arent soft like the rest of our bodies, so they are less susceptible to deterioration and rot. But if every bone or tooth lasted forever, they could be found in every inch of the earth. Some bones last millions of years while others can deteriorate in less than a decade.

Did dinosaurs have cartilage?

The preserved dinosaur cells were probably embedded in cartilage, Schweitzer says, which lacks pores. “Fossilized, calcified cartilage may be an ideal place to search for exceptionally preserved biomolecules in other fossils, as this tissue may be less prone to contamination and internal decay than bone,” Evans says.

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