In recent years, some populations of bees in the US have dropped by over 90 percent. National Geographic cites a study that puts the blame on viruses spread by flower pollen. An interesting theory, if a convenient one, as it replaces theories linking the deaths to GMOs or pesticides, as mentioned in a recent Times of Malta article...
Bee Viruses Spread via Flower Pollen
December 29, 2010
To bee or not to bee
Sunday, 2nd January 2011