Trapped under ice, light-loving algae grow in the dark Arctic winter

Scientists have long thought that phytoplankton remain largely dormant during the polar night

Arctic winter under northern lights

Even in the long, dark night of the Arctic winter (seen here during a display of northern lights), photosynthetic marine algae trapped under the ice still find a way to thrive, a study finds.

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Each winter, Baffin Bay freezes over as polar darkness descends over the top of the world.