Palestinians in Gaza speak of life under Israeli occupation.
From Nollywood to politics: Nigeria's Kate Henshaw
17 Sep 2010 06:28 GMT | Environment
The cacao bean - from the cacao tree - is the key ingredient of chocolate, but blight frequently wipes out entire crops, costing growers more than $700m each year.
However, by mapping the genes of the cacao tree, scientists hope to identify key traits in its DNA that will allow them to breed or engineer high-yielding plants with greater disease resistance.
With the chocolate business already generating $50bn a year, such an achievement would come with big financial rewards for farmers and chocolate makers.
Al Jazeera's Tarek Bazely reports.
Source: Al Jazeera
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