Aztecs tapped the sap of Hevea brasiliensis much as American Indians bled sugar maples for their sweet syrup. But the hevea rubber tree yielded something quite inedible—a thick, milky liquid we call ...
Renato Cordeiro, 57, harvests rubber from a hevea tree (Hevea brasiliensis) near his home - Copyright AFP Pablo PORCIUNCULA Renato Cordeiro, 57, harvests rubber from ...
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