Nick Davidson

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

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Some 250 million years ago, all but five per cent of life on Earth was wiped out in the greatest disaster our planet has ever experienced, yet the cause of this event has long remained a mystery. Palaeontologists in Greenland explain the answers.