The wood frog turns into a mostly frozen frogsicle during winter.

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Children may also feel better if they gnaw on chilled, but not frozen, teething rings or safe toys made of rubber, unpainted wood or cotton terrycloth.

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Once the wood is kiln-dried, fungi can no longer grow and the spalting becomes frozen in time.

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Most loggers harvest when the land is frozen, but a run of mild winters has melted the logging roads and made it impossible to harvest the wood without scarring the land which, in turn, gives environmentalists more cause for complaint.

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