বানরকে নিয়ে ভালোবাসার পরীক্ষা

Harry Harlow’s shocking monkey experiment revealed a powerful truth about human psychology. The study proved that emotional love, physical touch, and a sense of security are more important than food alone in early childhood development. This experiment changed how the world understands attachment, parenting, and mental health forever. #FactStoryBengali #MonkeyExperiment #Experiment #Inventions #HumanBehavior #DailyFacts