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polar night

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Featured in polar night

By Philip Kiefer Oct 20, 2021
Science

In constant darkness, Arctic krill migrate by twilight and the Northern Lights

Polar krill have eyes that are ultra-sensitive to daily light cycles.

A translucent krill with red spots on its belly.
By Kate Baggaley Jan 26, 2018
Animals

How polar animals cope with frigid darkness for months at a time

Endless darkness? Subzero temperatures? They can work with that.

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