Silence of the Bees

In the winter of 2006, a strange phenomenon fell upon honeybee hives across the country. Without a trace, millions of bees vanished from their hives. A precious pollinator of fruits and vegetables, the disappearing bees left billions of dollars of crops at risk and threatened our food supply. The epidemic set researchers scrambling to discover why honeybees were dying in record numbers — and to stop the epidemic in its tracks before it spread further.

• Doug ShultzWriter