Dogs can smell when people are stressed, and it seems to make them feel downhearted. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For the new ...

Dogs have 220 million olfactory receptors compared with humans' 50 million, which makes canines "extremely effective at differentiating and identifying odors," said Dr. Mark Freeman, clinical ...

Dogs have a powerful sense of smell, there's no doubt about that. While us humans stumble through life guided mostly by our eyes, our canine companions tend to walk through life with their noses, ...

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 ...