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腾讯网
14 天
把企鹅羽毛做成地图
菲利普·桑塔格(Philip Sontag)第一次去南极时,带回了一份不同寻常的纪念品——一大袋企鹅羽毛。如今,桑塔格和他的同事开发出了一些方法,可以利用这些羽毛绘制一幅关于汞污染的“活地图”,这种污染正日益威胁着南半球的野生动物。
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