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December 1997Over 70 per cent of world tuna landings, amounting to over three million metric tons annually, are taken from the Pacific Ocean.
December 1997Gold is not just a safe fallback investment on financial markets, but can also be a useful tool for researchers to retrace the history of tropical soil development.
December 1997Dengue fever is a viral disease known in about hundred of tropical countries.
November 1997Emeralds occur in deposits that are rare and therefore highly coveted.
November 1997Rice, the staple diet for two billion people in the world, is frequently threatened by tungro disease.