Scientists are struggling to figure out what is killing billions of honeybees. And unless something or someone stops it soon, the mysterious killer could have a devastating effect on our dinner plates. That's because honeybees don't just make honey, they pollinate more than 90 crops including apples, peaches and nuts. The problem started in November and it has spread to 27 states, including ours.
Guest
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David Kellum
, Entomologist, San Diego County Department of Agriculture, Weights & Measures.