ja30mari1789965
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Over 6 years agoja30mari1789965liked a comment in NASA's Landmark Twins Study May Pave The Way For A Mars Mission.
So cool I have been reading about them since I was in 1st gradeOver 6 years agoja30mari1789965 added a news bookmark.
Given that even a six month stint at the International Space Station (ISS) causes astronauts to lose bone density and, in some cases, results in visual impairment, researchers h...Over 6 years ago
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