Almond trees rely on bees to pollinate during their brief bloom for a few weeks in February. Winfried Rothermel/APN hide caption

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Why California Almonds Need North Dakota Flowers (And A Few Billion Bees)
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A report says that pollen is often filtered out of honey sold in the U.S., which could make it hard to determine if the honey came from a safe place. Ellen Webber/NPR hide caption

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