19-38 Segment 1: Heat and Violence

Heat and Violence

Violence increases as temperatures rise in the summer, but are higher temperatures a cause of aggression? New research shows that the answer is yes, especially in family conflict, and that poor neighborhoods bear the brunt of the relationship. Researchers discuss the synergy between poverty, heat, and aggression, and speculate that a warmer world in the future could be a more violent one.

Friends–The Most Powerful Influence on Our Lives

Research shows that friends are the most powerful people in our lives, influencing our behavior, attitudes and health even more than our parents or spouses. An expert discusses the many ways friends determine our destinies.