Edward Willett

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Circadian desynchrony and the blue light special

[podcast]http://edwardwillett.com/wp-content/uploads//2012/12/Circadian-Deosynchrony-and-the-Blue-Light-Special.mp3[/podcast] We’re coming up on the shortest day of the year in the northern hemisphere: at the latitude I live at, in Regina, Saskatchewan, that means that today the sun rose at 8:49 a.m. and will set at 4:54 p.m. We’ll lose a few more minutes yet before the winter solstice. That’s not a lot of daylight: we spend two-thirds of our day in darkness this time of the year, and of course further north it’s even worse, until you get to the Arctic and twenty-four hours of sunlessness. Thank goodness for artificial light! It means we can live pretty much as we want without being a slave to the natural ...

Posted by Edward Willett at 15:09, December 10th, 2012 under Blog, Columns, Science Columns | Comment now »