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By Science News

Magazine Issue: Vol. 144 No. #23, December 4, 1993

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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 December 4, 1993 issue of Science News.

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Related Stories

Health & Medicine
Refurbished heart pacemakers work like new

By Meghan Rosen18 hours ago
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By Bruce Bower21 hours ago
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By Carolyn GramlingNovember 22, 2024

Science News

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