People Are Only Just Realising Why Dogs Sniff Each Other So Long

That greeting is basically reading a whole life story.

When two dogs sniff each other, they're swapping more information than any human handshake ever could.

A dog's scent reveals its mood, health, diet, and even whether it's feeling friendly or nervous.

Those glands near the rear carry a surprising amount of personal detail in the dog world.

So the awkward pause on your walk is really two strangers reading each other's entire biography.