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University of Michigan slithers toward history with acquisition of snake specimens_我的网站

A |     ANN ARBOR, Mich. -- Greg Schneider scans rows upon rows of liquid-filled glass jars containing coiled snake specimens, just a portion of the University of Michigan Museum of Zoology's reptile and amphibian collection believed to be the largest held by any research institution in the U.S. thanks to a recent donation. The museum this fall acquired tens of thousands of reptile and amphibian specimens from Oregon State University, many of which are snakes. The development places the university in a unique position, according to Schneider, the research museum collections manager for the museum's division of reptiles and amphibians.“I’m fairly confident we’ll have the largest snake collection in the world,” he said. The extensive new additions also will allow scientists to conduct new snake and amphibian research, perhaps looking at trait evolution in mothers and their offspring. Numerous studies have been conducted in recent years about declining amphibian and reptile populations, Schneider said, noting they “are very good biological indicators of the health of the environment and ecosystems,” especially the amphibians.“Amphibians, unlike people, breathe at least partly through their skin, which is constantly exposed to everything in their environment,” he said, adding that “the worldwide occurrences of amphibian declines and deformities could be an early warning that some of our ecosystems, even seemingly pristine ones, are seriously out of balance.”Boxes containing water snakes, garter snakes, woodland salamanders, dusky salamanders and other species arrived last month. They were euthanized and ultimately placed in a solution that is 75% ethanol. The donations represent the lifetime work of two retired Oregon State professors, Lynne Houck and Stevan Arnold, who received a doctorate from Michigan in 1972.Schneider has yet to complete the painstaking process of cataloging the new material, but estimates it contains around 30,000 snakes. He said that would give Michigan a total of between 65,000 to 70,000 of the slithering vertebrates, surpassing collections at the Smithsonian in Washington, the American Museum of Natural History in New York and the University of Kansas. Some of the specimens housed at the museum prior to the Oregon State donation predate the Civil War.The "largest snake collection" title would be nice, but Schneider said the true promise of a big collection is new research opportunities. “The more stuff you have and the more associated materials that you have, the more things you can do,” Schneider said.The newly acquired Oregon State collection also includes about 30,000 associated frozen tissue samples. Along with advances in molecular genetics and more sophisticated DNA analyses, the samples will allow research that could result in a better understanding of inheritance, evolutionary relationships and “has huge applications in medicine,” said Hernán López-Fernández, an associate professor in Michigan's Department of Ecology and Evolutionary Biology.A number of the newly acquired jars contain both snakes and litters of their newborns, which Michigan professor Dan Rabosky said “is very, very rare for museum collections and is incredibly powerful for research, because it lets researchers ask questions about genetics that would otherwise not be possible.” Despite the daunting task of organizing the new collection, Schneider said he and his colleagues have noticed renewed excitement in team members who staff the university’s 153,375-square-foot (14,249-square-meter) Research Museums Center, where the specimens are housed.“Since these specimens arrived, people are very, very, very enthusiastic and supportive,” Schneider said. “And excited about the kinds of research that are going to be done with these collections.”。1月15日：前创始人王欣的云格人工智能公司推出的社交产品mt app是一个“坏命运”。自从昨天上线以来，这个应用程序一直在苦苦挣扎。

B | 首先，微信屏蔽了其共享链接入口，然后其红包微信充值功能无法使用。最后，腾讯大万卡短信无法上线。王鑫昨天在微博上表达了不满，说：“我该怎么办？”然而，很多网友对王鑫的社交应用程序很感兴趣，他们想知道王鑫为什么选择“厕所”这个名字。王欣在今天举行的一次内部产品交流会上解释了这个名字的由来，并用微型信封回应了对马桶mt的杀戮。据雷锋说。

C | 在今天的内部产品交流会上，王鑫说，厕所的mt软件的名字是因为他是刘德华的粉丝。厕所是刘德华的歌，就这样。昨天被问到微信禁止厕所mt链接，王鑫表示，这可能是因为厕所mt的红包激励机制违反了腾讯的一些游戏方式，目前正在与微信沟通。有关官员说，该厕所的mt主要从事匿名聊天和社交网络。官方网站将厕所mt描述为“一个个人接触的黑暗网络，一个朋友圈的阴影，所有在微信上看不见的听不见甚至删除的内容都可能出现。”值得注意的是，目前无法下载厕所的mt-app-ios版本，而今天厕所的mt-app已经网络异常。编辑测试发现马桶mt无法刷新，主题发送失败。

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