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Human trafficking, an invisible problem

Human trafficking is a problem about which little is known in Spain, due to both the lack of reliable figures as well as the poor coordination among international police forces and the social permissiveness with regard to ...

dateSep 29, 2014 in Social Sciences
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A new source for potassium fertilizer

Potassium-rich bananas are often grown in the Southern Hemisphere, in countries like Brazil, but farming banana trees requires potassium fertilizer obtained from mining potash in the Northern Hemisphere. That makes a country ...

dateApr 10, 2014 in Materials Science
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