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> It's unlikely to be much use for shielding for reasons the top comment explains.

I did read the comment - I know it can't be used for that. I only said that as a more generic response to "I don't know why anyone would care" about this property being found in a fungus - a statement which seemed to lack any imagination imo.

> The real reason to care is because it's an interesting - almost textbook - example of evolution operating in a challenging environment.

This is true! Good point.