The Emotional Lives of Animals

4 The Love Of Animals

Dogs are able to detect diseases such as cancer and diabetes and warn humans of impending heart attacks and strokes. We were told that Marco, one of the rescued chimpanzees, does a dance during thunderstorms during which he looks like he’s in a trance. Dogs Sniffing Out Disease. As we know, dogs have a keen sense of smell. Dogs can differentiate dilutions of 1 part per billion, follow faint odor trails, and are 10,000 times more sensitive than humans to certain odors.