人é¡ã®ç¥å ã¯ããã°ãã°æ¯ãããããã§ã¤ãªãæã£ã姿ã§æããããã¨ãããã¾ãããã®ãã¤ãªãã¯ç²ç©ã«å¯¾ãã¦æãã¤ãã¦ä½¿ã£ã¦ããã®ã ããã¨ä¸è¬çã«èãããã¦ãã¾ãããå°ãéãæ¹æ³ã§ä½¿ç¨ãã¦ããå¯è½æ§ãææããã¾ããã Clovis points and foreshafts under braced weapon compression: Modeling Pleistocene megafauna encounters with a lithic pike | PLOS ONE https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0307996 To kill mammoths in the Ice Age, people used planted pikes, not throwing spears, resea
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