How bees play a crucial role in our food chain

Much of the food we eat -- fruit, vegetables, nuts -- are all pollinated by bees. But bees are dying, and their hives are disappearing. Bees now have to be sent around the country to pollinate crops. We learn more about the nature of bees, and what’s at stake if their numbers continue to plummet.

Image of a honey bee pollinating a daisy by Joe Black.