News tagged with circadian

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

Plants let chloroplasts know the time

(Phys.org) —Plant cells communicate information about the time of day to their chloroplasts, the part of their cells that underpins all agricultural productivity on Earth, researchers at the University ...

Mar 14, 2013
not rated yet 2 | with audio podcast

Nano oscillators synchronized by light

(Phys.org)—Synchronization phenomena are everywhere in the physical world—from circadian rhythms to side-by-side pendulum clocks coupled mechanically through vibrations in the wall. Researchers have now ...

Dec 17, 2012
5 / 5 (1) 2 | with audio podcast

Does lighting pollution poses risk?

A panel of world experts discussed "Light Pollution and its Ecophysiological Consequences" and shed light on the extent of the dangers and harm that night-time artificial lighting causes, emphasizing that it is the short ...

Sep 11, 2012
5 / 5 (3) 0

Transcription runs like clockwork

(Phys.org)—It's not just a few key genes and proteins that cycle on and off in humans in a 24-hour circadian pattern as the sun rises and falls. Thousands of genes in organs throughout the body show predictable daily fluctuations, ...

Sep 03, 2012
5 / 5 (2) 0 | with audio podcast

Researchers devise a new way to plot circadian clock

(Phys.org)—Everyone has an internal clock, that mysterious process which controls sleeping and hunger patterns, but now researchers are finding out that because the internal clock also controls metabolism, it would be helpful ...

Aug 29, 2012 report
4.7 / 5 (3) 0 | with audio podcast