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KnoWanUKnow2 t1_jclfzmv wrote

It does.

But mane-made light is more effective because it is more powerful. Our atmosphere blocks a lot of the sun's UV rays. Also organisms evolved with sunlight, so they have developed mechanisms to resist and repair the damage.

But enough sunlight will kill most microorganisms.

However, your skin has pores. Sidewalks have micro-fissures. There are places where microorganisms can hide from direct sunlight.

So the sun will deplete their numbers, but won't eradicate them.

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mook1178 t1_jclo52f wrote

>But enough sunlight will kill most microorganisms.

I have read studies that homes with open window curtains during the day actually have less bacteria and mold. UV sterilization was their reason why.

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trade_my_onions t1_jcn9tom wrote

I’m now wondering what the effect of low e coating does since that blocks a lot of the UV coming through.

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joyamazingpinoy t1_jcmrbxj wrote

Wow! That makes sense. This month I started to open windows in my room before I leave it every morning. It smells fresher and less moldy than last month. Thank you.

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Ausoge t1_jcmuezg wrote

That will probably be more to do with moisture being able to escape - with open windows, your house will be a lot drier than if you keep them closed for weeks at a time. You wouldn't need to open windows to get the UV effect, just your curtains.

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