Clive Wynne, the director of the Canine Science Collaboratory at Arizona State University, said dogs can indeed detect gas — especially when mercaptan is present. “It’s a bad food smell ...

Sure, we can smell ... or a gas leak. But we have nonetheless long been thought of as relative weaklings in the animal kingdom’s league of olfactory excellence, which puts dogs and rodents ...

When the dog’s owner got home, the house became filled with natural gas. “It’s a safety issue ... The owner opened all the windows to get the smell out, police said. Both the owner, the ...