News tagged with internal biological clock

At the heart of the circadian clock

(Phys.org) —Cellular processes in most organisms are regulated by an internal clock, and proteins called cryptochromes are at the core of its central oscillator. The three dimensional structures of cryptochromes ...

dateJun 11, 2013 in Cell & Microbiology
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Putting the clock in 'cock-a-doodle-doo'

Of course, roosters crow with the dawn. But are they simply reacting to the environment, or do they really know what time of day it is? Researchers reporting on March 18 in Current Biology have evidence that p ...

dateMar 18, 2013 in Plants & Animals
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Keeping time: Circadian clocks

Our planet was revolving on its axis, turning night into day every 24 hours, for 4.5 billion years - long before any form of life existed here. About a billion years later, the very first simple bacterial ...

dateOct 02, 2012 in Cell & Microbiology
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Brain's clock influenced by senses

Humans use their senses to help keep track of short intervals of time according to new research, which suggests that our perception of time is not maintained by an internal body clock alone.

dateJan 20, 2011 in Neuroscience
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