The Arctic ground squirrel sheds light on circadian rhythms http://www.nsf.gov/news/special_reports/science_nation/arcticgroundsquirrels.j sp
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. -- These are my opinions. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
