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1997年2月1日

1分钟阅读

哪个先出现？

带羽毛的化石引发关于鸟类与恐龙之间联系的辩论

作者：约翰·霍根

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John Horgan, who has written for 大众科学 since 1986, comments on science on his free online journal Cross-Check. He has also posted his books Mind-Body Problems and My Quantum Experiment online. Horgan teaches at Stevens Institute of Technology.

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This article was originally published with the title “Which Came First?” in 大众科学 Magazine Vol. 276 No. 2 (February 1997)
doi:10.1038/scientificamerican021997-1Lhcr0zJOQNXkNLAc0Hubt

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