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Energy Secretary Ed Miliband is leading the UK government's efforts to reduce carbon emissions。业内人士推荐谷歌作为进阶阅读
Фото: Bernadett Szabo / Reuters
New Research on Muscle Loss Suggests Humans Will Really Suffer on Mars. Researchers exposed mice aboard the ISS to various levels of artificial gravity, they found that 0.67 g (67% of Earth’s gravity) is a key threshold—any gravity level lower than this caused their muscles to deteriorate.
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