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These salamanders supercool themselves to handle the snow

By Nell Greenfieldboyce
Published December 27, 2025 at 3:43 AM AKST

Blue spotted salamanders can supercool themselves so they can walk over ice and snow during their spring migrations.

Copyright 2025 NPR
Nell Greenfieldboyce
Nell Greenfieldboyce is a NPR science correspondent.
See stories by Nell Greenfieldboyce