| http://www.w3.org/ns/prov#value | - American bee colonies have been hit by regional crises before, but keepers say this is the first national crisis.Bees pollinate more than $14bn (??7bn) worth of US seeds and crops each year, mostly fruits, vegetables and nuts.The mystery disappearances highlight the important link that honeybees play in the chain that brings fruit and vegetables to supermarkets and dinner tables.The crisis threate
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