"Sniffing" bees trained for security
These bomb-sniffing bees are part of the Stealthy Insect Sensor Project at LANL. Associative learning techniques (also known as Pavlovian) are used to teach the honeybees to signal the presence of certain explosives or chemicals by sticking out their tongues. The bees are held in a container that allows air to flow through while a camera detects their response. The container is designed for use at security checkpoints (airports, military bases, etc.) to discreetly check for explosives.
Photo by LeRoy Sanchez.