Cork is a layer of bark that grows only on the Quercus Suber oak tree. It typically takes 25 years from the moment a tree is planted for it to be ready for its first harvest. It then takes another ...

Casimiro Milheiras harvests the bark from a Quercus Suber, or cork oak tree in Portugal's Alentejo region. / Credit: CBS News/Duarte Dias His 20 years of experience have taught him exactly how to ...

Cork is made from the bark of the cork oak (Quercus suber) found in countries of the Mediterranean basin. Portugal is home to about a third of the world's total area dedicated to this tree -- more ...