濒危

其他解释现在看来更可能比火星细菌

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W. Wayt Gibbs is a contributing editor for 大众科学 based in Seattle. He also works as a scientific editor at Intellectual Ventures.

More by W. Wayt Gibbs
大众科学 Magazine Vol 278 Issue 4This article was originally published with the title “Endangered” in 大众科学 Magazine Vol. 278 No. 4 (), p. 19
doi:10.1038/scientificamerican0498-19
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