SEVILLE, Ohio — There are jumping dogs who can leap through a hoop. Diving dogs who will soar off a dock after a favorite toy. Those who fetch with ease, and those who know a long list of tricks.

Dogs are capable of using their nose for many tasks: hunting, retrieval, and finding that cookie crumb you dropped beneath the couch. Now we can add “mussel sniffing” to the list. The California ...

According to a recent study, dogs trained to detect scent may be able to identify significantly lower concentrations of odour molecules than has previously been documented. A study carried out by the ...