“健康電話”目標AIDS(2)

科技：珊瑚礁在物種進化中的重要性

科技：珊瑚礁在物種進化中的重要性A new study out this week highlights the role that coral reefs play in evolution, adding another reason to preserve these delicate, diverse, and often beautiful ec...

歷史學家眼中的奧巴馬和林肯 (2)

神秘、神奇的奧巴馬提示：George McGovern；Abraham Lincoln； Richard Nixon"There does seem to be this connection, certainly in Obama's heart and mind, between the mentor that he'd like to believe L...

美俄兩國表示將削減核武器儲備(2)

在最近的一份聯(lián)合聲明中，美俄兩國表示將把核武器儲備降到“可能的最低水平”"We haven't come to agreement on what will replace START but we are in the process of talking about that. We both want tran...

異形蚊子(2)

科學家正在進行異形蚊子在抵御瘧疾病流行的研究Marcelo Jacobs-Lorena is with the Malaria Research Institute at Johns Hopkins University in Baltimore, Maryland. Jacobs-Lorena says investigators creat...