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

A |     4月24日#苹果客服回应发现石油触发定位#冲上热搜究竟是怎么回事　　据了解，事情起因是有网友在评论区发送评论“我发现大量石油”，结果iPhone就会自动打开手机定位。

B | 　　有网友称苹果手机是在收集、发送位置信息。

C |     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.”。　　相关话题下，不少网友评论，“是真的！我验证过了！太可怕了”“我同事刚试了，确实有”。

D | 但也有部分人表示，“没出现”。 　　还有人评论称，“输入‘发现’都能触发”。　　对此，苹果官方客服回应：因为是默认开启定位，手机便会有更新的状态，不光是发东西，任何操作都有可能会触发定位，没有信息支撑说发什么文字便会自动开启定位。　　如果是因为手机默认开启定位才导致这种情况发生，那么除了苹果系统之外，安卓系统是否也同样会触发自动定位呢？南方都市报记者也在安卓品牌手机上，进行了相同的测试，在搜索框中搜索“发现石油”，发现安卓手机上也同样出现了和苹果类似的定位标识。　　对此，有业内人士表示，搜索“发现石油”便会自动定位并不是苹果手机的“独家专利”，反而是智能手机中存在的普遍现象。自动定位服务是应用服务商为了给用户提供更精准的服务，会使用自动定位功能精准定位客户的位置，从而让用户所在地的相关内容提前，使搜索结果更加贴近用户本地化或者个性化的数据需求。“实际上，在移动智能终端不管搜索什么内容，只要设备有将开启定位的权限授权给相关应用，那么在检索数据的时候应用都会自动开启定位功能。

E | ”　　上述人士还表示，如果用户不需要自动定位功能，也可以控制应用拒绝访问所在位置，在APP内将定位关闭，或者是关闭手机的查找功能，但相关应用的部分功能也可能因此不能正常使用。　　（中国小康网微信公众号综合四川观察、闽南网、南方都市报、网友评论）　　图源：网络　　编辑：武金洋　　审核：王芳。

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