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Published online 11 February 2002 | Nature | doi:10.1038/news020204-14

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Scientists catch cold

New skin receptor is the tip of the iceberg.

A snowball in the face or a chilly breeze around the ankles opens a molecular trap door in our skin's nerve cells, two studies now show1,2. A third suggests that this, the first cold sensor to be identified, is just the tip of the iceberg3.

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