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Survivors: Nature's Indestructible Creatures

Richard Fortey

Shaun Trevisick

Survivors: Nature's Indestructible Creatures: Episode 3: Frozen in Time

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Factual: Science & Nature: Nature & Environment

Frozen in Time

Episode 3

Episode 3: Frozen in Time

BBC Four - Survivors: Nature's Indestructible Creatures, Frozen in Time

How some species survived the ice age that began 2.8 million years ago.

Professor Richard Fortey looks at how some species survived the ice age which began 2.8 million years ago, triggered by changes in the Earth's orbit around the sun.

It is estimated that 99 per cent of species have become extinct and there have been times when life's hold on Earth has been so precarious it seems it hangs on by a thread. 

This series focuses on the survivors - the old-timers - whose biographies stretch back millions of years and who show how it is possible to survive a mass extinction event which wipes out nearly all of its neighbours. The Natural History Museum's Professor Richard Fortey discovers what allows the very few to carry on going - perhaps not forever, but certainly far beyond the life expectancy of normal species. What makes a survivor when all around drop like flies? Professor Fortey travels across the globe to find the survivors of the most dramatic of these obstacles - the mass extinction events.

In episode three, Fortey looks at the ice age. 2.8 million years ago - triggered by slight changes in the Earth's orbit around the sun and shifts in its ocean currents - the world began to cool. Within a few thousand years much of the planet was shrouded in a dense cloak of ice that would come and go until only 10,000 years ago. We call this age of ice - the Pleistocene Age - and it transformed the hierarchy of nature. This is the story of how a few specialist species that evolved to live in the biting cold survived into the present day.

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Richard Fortey travels across the globe to find the survivors of mass extinction events

Professor Richard Fortey travels across the globe to find the survivors of mass extinction events

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Survivors: Nature's Indestructible Creatures

Episode 3: Frozen in Time

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