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最古老化石证明35亿年前地球已有生命

 6 years ago
source link: http://tech.sina.com.cn/d/2017-12-20/doc-ifyptfcn2470402.shtml
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科技日报北京12月19日电 (记者刘霞)据物理学家组织网18日报道,地球上的生命究竟是何时出现的?这是个让科学家头疼的“终极问题”。最近,美国科学家通过对西澳大利亚约35亿年前的一块岩石中发现的微化石进行分析后得出结论说,生命早在

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