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12:19

Upside-Down Ocean

Antarctica’s Southern Ocean is a lifeline for all the world’s oceans — the mixing zone where cold and warm waters meet, where winds and sea ice stir up the deep ocean and propel the circulation of heat and nutrients across the planet. Plunge into the depths of Antarctica’s waters and explore how the powerful overturning of the Southern Ocean removes carbon from the atmosphere, fuels marine food chains, and drives our global climate.

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