Since he was 14, Al-Amin has tapped gum arabic, the resin of an acacia tree that thrives in Sudan's conflict states -- "manna" from heaven for some, a key ingredient in Coca-Cola for others.
Environment
Nov 25, 2011
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(PhysOrg.com) -- New University of Arizona research has discovered that seed beetles from the desert Southwest shelter their broods from attacking parasitic wasps under a stack of dummy eggs.
Plants & Animals
Sep 14, 2011
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An ambitious plan to build a vast forest belt straight across Africa to contain desertification has taken root in Senegal, greening huge tracts of land with drought-tolerant tree species.
Environment
Jun 20, 2011
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Scientists said today at the 2nd World Congress of Agroforestry that a type of acacia tree with an unusual growth habit—unlike virtually all other trees—holds particular promise for farmers in Africa as a free source ...
Ecology
Aug 24, 2009
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