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News stories tagged with "permaculture"

New cork can be harvested every 8-10 years.
New cork can be harvested every 8-10 years.

Natural Selections: Cork

Traditional cork is harvested from the bark of a European variety of oak. Dr. Curt Stager and Martha Foley discuss the venerable history of this useful material which, in addition to keeping wine safely in the bottle, served as flotation devices for Roman spies, and gave early science its first glimpse of life's building block, the cell.  Go to full article

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