Joel Kowsky/NASA via Getty Images
Nasa to put nuclear reactor on the Moon by 2030 - US media
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电动三轮车撑起了县城的交通（图：南方人物周刊记者 刘璐明）
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A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.
· 马琳 · 来源：tutorial资讯