Frigid temperatures can do a number on trees but despite what some videos online suggest, trees are not actually exploding - even if it can sound like it.Videos circulating on ...
While the weight of freezing rain, ice and snow can damage branches, there is another kind of injury that comes with the extreme cold, experts say.
The Iowa DNR says sap that's warmed by the sun during the day can rapidly freeze, causing it to expand when the temperatures drop.
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