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地球生命起源于“左撇子”，可能与太空辐射有关！
source link: https://tech.sina.com.cn/d/i/2020-05-29/doc-iircuyvi5597358.shtml
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新浪科技讯北京时间5月29日消息，据国外媒体报道，如果你仔细观察过花园中的蜗牛，你可能会注意到一个奇怪现象，多数蜗牛壳朝向一个方向旋转，有时你可能会发现某个蜗牛壳是反方向旋转，但是这种例外现象极其罕见。这种结构镜像是一种被称为“手性”或者“
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