But Bridget C.Booske, a senior scientist at the University of Wisconsin Population Health Institute, said Morgan County, where West Liberty is, seemed to be better off than its neighbors.

但是威斯康辛大学人口健康学院的资深科学家布里吉特·c·布克斯说，自由市所在的摩根县似乎比其邻近的居民状况更好。

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But Bridget C. Booske, a senior scientist at the University of Wisconsin Population Health Institute, said Morgan County, where West Liberty is, seemed to be better off than its neighbors.

但是威斯康辛大学人口健康学院的资深科学家布里吉特·c·布克斯说，自由市所在的摩根县似乎比其邻近的居民状况更好。

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A century and a halflater, when another scientist reported the discovery of human egg cells, theworld’s population had doubled to more than a billion.

一个半世纪之后，当另一位科学家发现了人类卵细胞时，世界人口已经成倍增至十多亿。

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In some places, "the wolf is coming back, nature is taking over, so to speak, and it's really literally only old people" left, says Harald Wilkoszewski, a political scientist with Population Europe, a collaborative network of European demographic research centers.

WSJ: Germany's Rapidly Aging Population Threatens Rural Towns

President Obama's new science adviser, John Holdren, is a fervent believer in the crank theories of Paul Ehrlich, a once popular scientist who wrote the 1968 bestseller The Population Bomb, along with treatisespredicting imminent mass global starvation and various other apocalypses.

FORBES: Humanity Deniers

President Obama's new science adviser, John Holdren, is a fervent believer in the crank theories of Paul Ehrlich, a once popular scientist who wrote the 1968 bestseller The Population Bomb, along with treatises predicting imminent mass global starvation and various other apocalypses.

FORBES: Magazine Article