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 ...

Learn how trained dogs smell subtle chemical signals linked to cancer in blood samples.

A dog’s sense of smell is more powerful than you can imagine. They can detect disease long before a doctor can, find a single hidden thumb drive in a room, and even sense human emotions like grief and ...

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, ...