东北大学学生梅琳娜·科伊通过一只旧家庭行李笱，发现了隐藏的大屠杀历史。Northeastern University student Melina Coy discovered hidden Holocaust history through an old family suitcase.

哈佛历史学家在纪念独立250周年之际，追溯独立战争期间疾病所扩演的角色。Harvard historians trace the role of disease during the Revolutionary War, marking the 250th anniversary of independence.