Jason suggested some reading, n you share:

KOULIKORO, Mali — When Suleiman Diarra Banani’s brother said that the poisonous black seeds dropping from the seemingly worthless weed that had grown around his family farm for decades could be used to run a generator, or even a car, Mr. Banani did not believe him. When he suggested that they intersperse the plant, until now used as a natural fence between rows of their regular crops — edible millet, peanuts, corn and beans — he thought his older brother, Dadjo, was crazy.

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