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Sunday 7 February - 12:24 am NZT
Updated at 11:42 pm on 24 June 2013
Biologist Clive Evans takes Kathryn Ryan out to the sea ice off Ross Island to catch some Notothenioid fish, which they use to try to work out how they make anti-freeze and what this can teach us.
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This story was broadcast on
Tuesday 24 January 2012