[time-nuts] What's the ADEV of a ground squirrel? :)

[Hal Murray]

The Arctic ground squirrel sheds light on circadian rhythms
http://www.nsf.gov/news/special_reports/science_nation/arcticgroundsquirrels.j
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The Arctic ground squirrel has developed highly specialized adaptations to 
extreme environments, and it has a lot to teach us about circadian rhythms 
and biological clocks. This species maintains circadian rhythms throughout 
the Arctic summer, despite the almost ceaseless daylight during this period. 
The squirrels' body clocks have evolved to work just fine without the help of 
the day/night cycle, which is so important to other animals--like humans.



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