Others have been sent to Korea to sniff out
termites in wooden buildings.
Dr Cognetta first came up with the idea three years ago, after hearing how a dog was used to sniff out
the body of a drowned man in a lake.
Beagle Brigade dogs are trained to sniff out
dozens of fruit, meat and other food odors.
For example, trainers teach their dogs how to sniff out
drugs by hiding a narcotic-scented towel.
These clever canines sniff out
the suspect in an average of 40 percent of the 900 cases they work each year.
AGUA DULCE - At 3, Sprocket can sniff out
flammable liquids from acres of charred debris.
But even here, you'll find studio stylists on the prowl, so it takes a keen eye, a fast pace and persuasive bargaining skills, says Elizabeth Mason, an expert bargain hunter who knows how to sniff out
the good stuff from what she calls ``tricked-up pretenders.