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These salamanders supercool themselves to handle the snow

By Nell Greenfieldboyce
Published December 24, 2025 at 5:30 PM EST

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

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