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This Snowball Earth

BBC Radio 4
on BBC Radio 4 FM

Seven hundred million years ago the world froze over. Temperatures dropped to 50-below-zero and the oceans turned to ice a kilometre deep.
Gabrielle Walker talks to the scientists who have only recently unravelled this story and who have discovered how it may have kick-started the emergence of animal life.
E-Mail: [email address removed]

Contributors

Presenter:
Gabrielle Walker
Producer:
Roland Pease
Source: Radio Times

BBC Radio 4 FM

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