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Knowledge, arts, music and culture from the UK and the world.

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.

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Iain Stewart

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Men of Rock: Episode 3: The Big Freeze

The Big Freeze

Episode 3

Episode 3: The Big Freeze

Men of Rock

BBC Two - Men of Rock, The Big Freeze

The story of Louis Agassiz, who first proposed that the earth had experienced an ice age.

In the final episode of the series, Iain Stewart finds out about daredevil scientist Louis Agassiz, who first imagined the world had been gripped by an ice age.

Geologist Iain Stewart retraces the steps of a band of maverick pioneers who made ground-breaking discoveries in the landscape of Scotland about how our planet works.

In the final episode, Iain finds out about daredevil scientist Louis Agassiz, who first imagined the world had been gripped by an ice age. Plus, the story of humble janitor James Croll, who used the planets to work out the natural rhythms of the earth's climate.

Documentaries

Factual: Science & Nature: Nature & Environment

Iain Stewart retraces the steps of a band of maverick geological pioneers.

Geologist Iain Stewart retraces the steps of a band of maverick pioneers who made ground-breaking discoveries in the landscape of Scotland about how our planet works.

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Men of Rock

Episode 3: The Big Freeze

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