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By Science News

Magazine Issue: Vol. 139 No. #22, June 1, 1991

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Questions or comments on this article? E-mail us at feedback@sciencenews.org | Reprints FAQ

A version of this article appears in the June 1, 1991 issue of Science News.

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Related Stories

Neuroscience
These windpipe cells trigger coughs to keep water out of the lungs

By Nora Bradford14 hours ago
Planetary Science
Jupiter’s moon Io may have been volcanically active ever since it was born

By Nikk Ogasa19 hours ago
Archaeology
A puzzling mix of artifacts raises questions about Homo sapiens' travels to China

By Bruce BowerApril 17, 2024

Science News

Science News was founded in 1921 as an independent, nonprofit source of accurate information on the latest news of science, medicine and technology. Today, our mission remains the same: to empower people to evaluate the news and the world around them. It is published by the Society for Science, a nonprofit 501(c)(3) membership organization dedicated to public engagement in scientific research and education (EIN 53-0196483).

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