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Horizon

2013-2014

Episode 4: Dinosaurs: The Hunt for Life

Duration: 59 minutes

on BBC Two Wales

Horizon meets Dr Mary Schweitzer, who may have found traces of DNA within the fossilised bones of a Tyrannosaurus rex - a discovery that could revolutionise our understanding of these beasts. Show more

BBC Two Wales

About BBC Two

BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.