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midnight sun 

 

Many plants and animals experience 24-hour cycles that tell them when it's time to rest and when it's time to get up. These cycles are called the circadian rhythms and are often tied to light cues. So what happens to these cycles in locations where the sun does not set for many months?

 

copyright albert sandos artist
copyright albert sandos artist
copyright albert sandos artist

0413-Midnight Sun

 

copyright albert sandos artist
copyright albert sandos artist

0415-Midnight Sun

 

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