Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

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The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Pierce County brings an added concern: It can injure people. A research project using citizen ...

I’ve seen a fungus-like growth on several trees in the neighborhood. It’s a pale gray-green color with a frilly texture, and it coats much of the bark on some trunks. Can we do something about this ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists recently discovered. But a special fungus can help the trees circumvent this ...