Image for Mary's first discovery.  What looked like the blood cells of a 66 million year old T-rex

Mary's first discovery. What looked like the blood cells of a 66 million year old T-rex

Duration: 03:11

Mary's first discovery. What looked like the blood cells of a 66 million year old T-rex. Under the microscope they showed red and nucleated.

Available since: Wed 21 Aug 2013

This clip is from

Horizon 2013-2014, Dinosaurs: The Hunt for Life

4/12 Meeting a scientist who may have found signs of dinosaur DNA within their ancient remains.

First broadcast: 26 Aug 2013

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