We can make our pets happier by listening to their heart rate to understand their emotions
Not only humans feel emotions. In his 1872 book, The expression of emotions in man and animalsCharles Darwin described a variety of “innate” and “evolved” emotions in dogs, cats, chimpanzees, swans, and other nonhuman animals. But animals cannot verbally communicate their emotions, and humans is often misunderstood how an animal feels, which can lead us … Read more