Earth heated 5 to 10 degrees Celsius. As a result, tree-dominated vegetation collapsed and the highly disturbed landscapes were colonized by ferns that formed savannahs across large swaths of what is ...
奇網（retia mirabilia、「驚くべき網」の意）として知られる広範な血管構造が、水中に潜るクジラやイルカにおいて、水中を泳ぐときに生じる血圧の変動から脳を守る助けをすることが新たな ...
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