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Stay informed when wildfire smoke impacts Idaho. Find air quality resources, smoke safety tips and more in our wildfire guide.

Packing Heat

NPR
Published December 29, 2001 at 10:00 PM MST

Weekend Edition Sunday host Liane Hansen and NPR Science Correspondent Joe Palca take to the ice for a talk about the science behind pocket-sized instant heat packs.

Copyright 2001 NPR

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