Not long ago, the whole country was angry about saying that dogs protected by an animal protection group were illegally euthanized. I also had a painful experience of losing an acquaintance's puppy and leading to euthanasia, so I shared a lot with it. In many families these days, dogs are treated like a family that lives together. I'm a little sorry for those who represent themselves as ‘cat butlers’, but dogs are the foremost pets. Recently, “dog cats” (cats that are charming like dogs) have appeared and glanced over the territory of dogs, but it seems not easy to get into the sticky relationship between dogs and humans that have been around for tens of thousands of years.

Then, what is the reason why people are particularly close to dogs? In recent years, feasible and interesting studies have emerged.

First of all, it is said that humans and dogs have similar brain structures. Comparing how the brains of dogs and humans react to the way they perceive sounds related to crying and laughing, the way dogs and humans react was very similar.If so, dogs and people are really close friends with the right frequencies. And it is also interesting to argue that only people and dogs have whites in their eyes, and these big eyes with whites communicate with each other and exchange emotions. I can't ask dogs if that's the case, but when humans and dogs pursue their prey, it explains that the dog's whites have developed to send and receive secret signals by moving each other's eyes.

Dogs began to live with humans from the Paleolithic period, and it is now accepted as common sense that wolves have gone through one or another process to become today's dogs. Among the archaeological data found to date, the oldest record of dogs is the skull of a dog found in caves in Siberia and Belgium, dating back about 33,000 years. Recently, in Jordan, animal bones, which are believed to have been eaten and excreted by dogs, were found in early Neolithic ruins 15,500 years ago. The excavation team believes that dogs of this period were used to hunt small animals such as rabbits and foxes.

On the other hand, as a result of genetic analysis of dogs, there is a study that dogs that have entered the human world have been able to fully adapt to the human world with their amazing adaptability to increase digestion of carbohydrates that have not been eaten.

One day, the dog accidentally joined the Paleolithic people like a reconnaissance plane with a stealth function. Some argue that modern humans were able to triumph in competition with Neanderthals because they were able to hunt with dogs by domesticating dogs.

If you have a chance, try a glance at the puppies' big eyes full of whites. You will be able to realize that dogs and humans are such a relationship that speaks through the eyes and communicates with frequencies.

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