In total , the world ' s oceans , lakes , and rivers harbor more than 1 , 200 species of venomous fish , write researchers from the american museum of natural history in a recent issue of the journal of heredity 总体上,海洋,湖泊,河流生活着超过1200种的有毒鱼类,美国自然历史博物馆在最近一期的遗传期刊上写到
A new study finds there are more venomous fish than snakes . here are a few of them , photographed by william leo smith of the american museum of natural history 一项新研究结果显示,世界上有毒的鱼类甚至比毒蛇还要多。下面就为您展示其中的一些,照片是由美国自然历史博物馆的研究员威廉?利奥?史密斯拍摄的。
Learn a lot about astronomy , paleontology , and the definitions of other " ologies " on this site by taking journeys through space and the gobi desert . includes games and activities and is presented by the american museum of natural history -结合光线折射直线运动位能与动态镜像密度与浮力空气共鸣抛物线等科学概念之线上小游戏,并提供原理说明
But there is another possibility as well , said mark norell , curator of paleontology at the american museum of natural history : it is entirely possible that juravenator did have feathers , but they simply failed to fossilize 美国自然历史博物馆的古生物学家马克诺莱尔还提出了另外一种说法,即完全有可能juravenator的确长有羽毛,但是这些羽毛却没能形成化石。
Yet , it is so precious , so versatile , so expensive , and still so very rare that co - curator at the american museum of natural history james webster says all of it that exists in the world could fit in one place 然而,它是如此珍贵,如此用途广泛,如此昂贵,也如此稀有,正如美国国家自然历史博物馆的联合馆长吉姆?韦伯斯特说的,全世界上所存在的这种东西能被放在一处地方。
So the american museum of natural history researchers took known venomous species ? which include stonefish , catfish , lionfish , scorpion fish , toadfish , stargazers , and half a dozen other families ? and tried to determine how they were related to each other and additional fish 美国自然历史博物馆的研究员取来很多种已知有毒鱼类-包括石鱼,猫鱼,狮鱼,蝎子鱼,蟾蜍鱼,和半打其它种类.试图找出它们之间的亲属关系
Each year , many distinguished anthropologists visit the department , to give lectures and meet with students and faculty ; in 2000 - 2001 , these visitors came from institutions such as harvard , the australian national university , the university of tokyo , the sorbonne , copenhagen , stanford , the chinese academy of social sciences , the american museum of natural history , and the japanese national museum of ethnology 每年都有不少杰出的人类学家访问本系,与师生进行学术交流及发表演讲。在2000 2001年间,到访本系的学者来自哈佛、澳大利亚国立大学、东京大学、法国索邦大学、丹麦哥本哈根大学、史丹福大学、中国社会科学院、美国自然历史博物馆和日本国立民族学博物馆等机构。