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80 Pounds of Rock

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By Science News

Magazine Issue: Vol. 95 No. #24, June 14, 1969

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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 14, 1969 issue of Science News.

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Related Stories

Health & Medicine
Irregular bone marrow cells may increase heart disease risk

By Aimee Cunningham4 hours ago
Health & Medicine
Traces of bird flu are showing up in cow milk. Here’s what to know

By Tina Hesman Saey18 hours ago
Health & Medicine
Malaria parasites can evade rapid tests, threatening eradication goals

By Jonathan Lambert20 hours ago

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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