Extinctions: Past and Present Week 3 - Reading rocks

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Abstract
In this video, Professor Anusaya Chinsamy-Turan interviews Dr Roger Smith about his 30-year career working on fossils in the Karoo basin of South Africa. He outlines the research questions he has investigated, the scientific techniques he has used, and the interesting findings he has uncovered. This is video 3 in Week 3 of the Extinctions: Past and Present MOOC.
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