Tag: Facts

A Nose for Scent Detection: Dogs with the Best Sense of Smell

Human beings may have higher intelligence and opposable thumbs, but the dogs have us beat in one category: their sense of smell. Dogs are guided by their sense of smell. Some breeds of dogs have over 220 million olfactory receptors. Humans only have 5 million. We may have invented airplanes and iPads, but dogs are… Read more »