Just something that popped up in my timeline not too long ago that may be of interest. I don't know how old the article really is.
https://www.theguardian.com/science/201 ... Lcv7xJ-NNk
Bark Shield
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Use this forum to discuss topics of history or craft as related to our hobby.
As this is a PUBLIC forum, be discrete! Private matters should be discussed in the TdB Member forums!
Any post which is deemed too sensitive for public consumption may be moved to the Private Discussions forum by Moderators.