Siberian hamsters show what helps make seasonal clocks tick

[unable to retrieve full-text content]Many animals, including humans, have internal clocks and calendars to help them regulate behavior, physiological functions and biological processes. Although scientists have extensively studied the timekeeping mechanisms that inform daily functions (circadian rhythms), they know very little about the timekeeping mechanisms that inform seasonal functions.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/Nvnpe6ubU20/130923155351.htm

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