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 ...

People's sense of smell is just as sharp as those of rats and dogs, a US researcher says, calling for an end to a century-old "myth" to the contrary.

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 ...