The Evolution of Dogs: Science Reveals Their Transformation into Even Better Companions
How Dogs Have Changed Their Role in Society Historically, dogs were valued for their skills in hunting, herding, and protecting homes. However, over time, their role has evolved into that of loyal and affectionate companions. This shift has had a notable impact on their biology, particularly in the hormone oxytocin, which strengthens social bonds. According to an article published in El Adelantado, researchers have discovered that dogs, especially those trained...








