1991年3月1日

1分钟阅读

严峻的预期

黑人的预期寿命正在下滑

作者：菲利普·严

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Philip Yam is the managing editor of ScientificAmerican.com, responsible for the overall news content online. He began working at the magazine in 1989, first as a copyeditor and then as a features editor specializing in physics. He is the author of The Pathological Protein: Mad Cow, Chronic Wasting and Other Prion Diseases.

More by Philip Yam
大众科学 Magazine Vol 264 Issue 3This article was originally published with the title “Grim Expectations” in 大众科学 Magazine Vol. 264 No. 3 (), p. 33
doi:10.1038/scientificamerican0391-33
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