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Articles on Antarctica

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Of ice and fire: what sea salt in Antarctic snowfall reveals about bushfires worse than the Black Summer

Howling winds take sea salt from the Southern Ocean and lay it down in Antarctica as snow, then ice. Hidden in these ice cores is a warning about Australian fire seasons.
Dust storm blowing off the Australian east coast over the South Pacific. Jeff Schmaltz/NASA GSFC

Floating robots reveal just how much airborne dust fertilises the Southern Ocean – a key climate ‘shock absorber’

Iron-rich dust feeds phytoplankton. They are a key form of life in the Southern Ocean, which acts as a climate shock absorber.
Jamey Stutz

A clock in the rocks: what cosmic rays tell us about Earth’s changing surface and climate

When landslides or glaciers bring rocks to the surface, cosmic rays bombard them, smashing common atoms into rarer forms and acting as a chronometer of the changing Earth.

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