Imported lumber is typically accompanied by documents that state its geographic origin, so buyers can check that it wasn't illegally harvested from protected areas. Unfortunately, though, those documents can easily be forged. That's why Oregon-based scientists from the USDA Forest Service's Pacific Northwest Research Station have developed a method of determining where a piece of wood comes from, based on its unique chemical signature.
.. Continue Reading Chemical fingerprints may save protected treesCategory: Biology
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from New Atlas http://ift.tt/2qJpp33
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