The U.N. humanitarian agency has said about half of the population of Zimbabwe needs water and food urgently, and has launched an appeal for $430 million to help those in need.
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Olympic medals have what's known as a "melt value." But they're worth far more financially than their mineral contents, an auction expert notes....
Iran is ready to dilute its stockpile of enriched uranium in exchange for sanctions relief, Tehran’s nuclear energy chief says...
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