雜誌目錄

magazine

No. 14

2003年4月號

image

牠是恐龍還是鳥?

大家從小就知道,「有羽毛的動物」就是鳥類,可是最近在中國遼寧省發現許多有羽毛的恐龍化石,那時候鳥類還沒有出現在地球上呢!這到底是怎麼回事?

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DATA POINTS: TOO EARLY SPRINGGlobal warming is affecting the behavior of plants and animals—for most species, the start of spring is advancing (based on activities such as

2003-11-30

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