This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LAKE FOREST, Calif. (AP) — To cheers and ...
NASA, the U.S. space agency, has learned a lot since the 1940s about the effects of extreme conditions during space travel on the human body, from bone density loss to changes in the immune system to ...
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