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Canine noses are being used for more than sniffing drugs and other illegal wares. These days, thousands of pooch proboscises are being trained to find mold, termites, bat colonies, smuggled currency, and the endangered Indigo snake. Bill Whitstine of the Florida Canine Academy says research shows some dogs can even detect human cancers (like bladder and prostate) by scent alone. Gives new meaning to the saying “man’s best friend.” (800) 605-3364, www.mold-dog.com