Dr Lisa Barrett, Professor of Psychology at Northeastern University, who took part in the research, said the amygdala got bigger to cope with mankind's more hectic social life.
东北大学的心理学教授丽莎·贝瑞特博士参与了这项课题,她说人类的杏仁核变大是为了应付日益繁忙的社交生活。
Only about a third of teenagers are expected to work this summer, the lowest levels in 60 years, according to the Center for Labor Market Studies at Northeastern University.
仅由三分之一的青少年期望暑假工作,根据美国东北大学劳动力市场研究中心的报告来看,已达到60年来最低水平。
On the last weekend before voting, Mr Obama at last flew up to stump for Ms Coakley at Northeastern University.
投票前最后一周,奥巴马终于飞到东北大学为科克利演讲。
应用推荐