Cybil Preston, chief apiary inspector for the Maryland Department of Agriculture, does a training run with Mack: She sets up fake beehives and commands him to "find." He sniffs each of them to check for American foulbrood. He has been trained to sit to notify Preston if he detects the disease.
A bee gathers pollen from a park in Kensington, Md. With bee health in mind, home and garden products giant Ortho has announced it will phase out neonics, a class of pesticides, from its outdoor products.
A beehive at Frangiosa Farms, in Parker, Colo. The farm introduced an adopt-a-hive program in 2012. The one-time adoption fees per hive range from $45 to $130 (the latter gets you three jars of honey).
Courtesy of Nick French/Frangiosa Farms
Maryann Frazier, a researcher at Penn State's Center for Pollinator Research, checks on one of her experimental honeybee hives. Frazier is testing the effects of pesticides on honeybee colonies.
Lou Blouin for NPR
A hollow log hive in the Cevennes region of France reveals the details of circular comb architecture of the Western honeybee. New research shows the partnership between humans and bees goes back to the beginnings of agriculture.
Beekeeper Rob McFarland (photographed last year) inspects the beehive he keeps on the roof of his Los Angeles house. The Los Angeles City Council voted unanimously on Wednesday to allow residents to keep beehives in their backyards.
Penn State grad student Carley Miller holds up a bumblebee she collected from the wildflower patch on Penn State University's research farm near State College, Pa. Researchers are testing how planting "pollinator strips" of wildflowers near farm fields could help support wild bee populations.
Courtesy of Lou Blouin
Ready, set, fly! The ball bearings glued to this bumblebee's legs simulate the weight and placement of pollen loads. The tag on the insect's back is a lightweight sensor, designed to track its movements in flight.
Courtesy of Andrew Mountcastle