The ISS May Be Too Clean For Its Own Good!
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With advanced air filters and strict cleaning routines, the International Space Station (ISS) is one of the cleanest places beyond Earth. Yet astronauts often experience a range of health issues while aboard. A new study suggests that one reason may be that the ISS is too clean!
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852128sophie8달Huh! I didn't know that!
fucabojezabu8달This is so cool! And this is first comment
classroom23988달That's interesting
jupiter_stormy8달that's very interesting.