News tagged with clock

Reading a biological clock in the dark

Our species' waking and sleeping cycles – shaped in millions of years of evolution – have been turned upside down within a single century with the advent of electric lighting and airplanes. As a result, ...

Oct 21, 2014
4.5 / 5 (2) 0

How did evolution optimize circadian clocks?

(Phys.org) —From cyanobacteria to humans, many terrestrial species have acquired circadian rhythms that adapt to sunlight in order to increase survival rates. Studies have shown that the circadian clocks ...

Sep 12, 2014 feature
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