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樺樹枝當口香糖 科學家採5700年前DNA
發布時間：2019/12/18 14:52:54
更新時間：2019/12/18 17:57:47
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考古又有重大發現。科學家近來在丹麥，找到一枝5700年前，石器時代的樺樹枝，當時這截樹枝的作用，可能如同現在的口香糖。驚人的是，樹枝上竟還保有足夠的DNA，讓科學家得以拼湊出是誰曾咬過樹枝。而這也是史上第一次，科學家透過骨頭化石之外的東西，採集到古代DNA。
經DNA及電腦重建，專家認為，咬過樹枝的是一位擁有藍色眼珠、深色皮膚及毛髮的小女孩。科學家並認定，女孩當時才吃過、野鴨肉及榛果，而她還有乳糖不耐症。此外，儘管女孩住在斯堪地那維亞半島上，她應該與歐陸採集狩獵族群有關。
（民視新聞／綜合報導）
