1. 

   Margot Renowned Contributor 10 Years

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   Location:

   Nanoose Bay, BC Canada

   The Mystery of a Medieval Blue Ink Has Been Found (Turns out it was hiding in plain sight by the side of a Portuguese road.)
   
   I can't say I was losing any sleep wondering about this mystery but the solution is very interesting nonetheless.
   
   The Mystery of a Medieval Blue Ink Has Been Solved

    

   Margot, Apr 19, 2020

   #1
2. 

   Daniel Mosquin Paragon of Plants UBC Botanical Garden Forums Administrator Forums Moderator 10 Years

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   Location:

   Vancouver, British Columbia, Canada

   I had heard about this mystery!

    

   Daniel Mosquin, Apr 20, 2020

   #2

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