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Why do we feel more tired on a cloudy day?
A grey sky can make an ordinary afternoon feel strangely sleepy, and there may be more behind it than simply disliking bad ...
Add Yahoo as a preferred source to see more of our stories on Google. ... this only occurs in specific, somewhat rare conditions. Otherwise, clouds generally tend to dampen UV rays. In short, while ...
SYRACUSE, N.Y. — Did you know that even on a cloudy day you can still get Vitamin D and even sunburn? Plus, the snowpack can enhance the UV rays, making the UV index near summer levels! I'll explain ...
... this only occurs in specific, somewhat rare conditions. Otherwise, clouds generally tend to dampen UV rays. In short, while studies have found that clouds can ...
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