Brazil’s audacious plan to fight poverty using neuroscience and parents’ love

Osmar Terra is a tall man with a deep voice and an easy laugh—one that disguises the scale of his ambition to transform Brazilian society. A federal representative for nearly two decades, he is the driving force behind the world’s biggest experiment to prove that teaching poor parents how to love and nurture their infants will dramatically influence what kind of adults they become, and give Brazil its best shot at changing its current trajectory of violence, inequality, and poverty.