By unrelenting barking at her belly, a dog saved the life of her pregnant owner.

28. Was Keola’s Behavior Just a Coincidence?

While some individuals think Keola's behavior was merely coincidental, a lot of pet owners are certain their animals can sense when something is not quite right. Pets, and dogs especially, can tell whether or not a human is sick. This is explained by their great sense of smell. Point of fact, their sense of smell is one hundred thousand times more strong than ours as they have fifty times the amount of receptors for smell that humans have.