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 ...

Jun 11, 2013
3 / 5 (1) 0

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 ...

Mar 18, 2013
5 / 5 (1) 1 | with audio podcast

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 ...

Oct 02, 2012
4.3 / 5 (3) 4

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.

Jan 20, 2011
5 / 5 (2) 0 | with audio podcast