News tagged with circadian
Ancient body clock discovered that helps to keep all living things on time
The mechanism that controls the internal 24-hour clock of all forms of life from human cells to algae has been identified by scientists.
Jan 26, 2011 |
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New pattern in our biological clock overturns long-held theory
(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...
Medicine & Health / Medical research
Oct 08, 2009 |
4.9 / 5 (22) |
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'Round-the-clock' lifestyle can disrupt metabolism, brain and behavior
(PhysOrg.com) -- In Civilization and Its Discontents, Sigmund Freud argued that modern society was hard on human psychology, forcing people to get along in unnaturally close quarters. Now newly published resear ...
Medicine & Health / Medical research
Feb 21, 2011 |
4.6 / 5 (13) |
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A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity
(PhysOrg.com) -- The circadian clock coordinates physiological and behavioral processes on a 24-hour rhythm, allowing animals to anticipate changes in their environment and prepare accordingly. Scientists ...
Apr 22, 2009 |
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Scientists Discover Hunger's Timekeeper
(PhysOrg.com) -- Researchers at Columbia and Rockefeller Universities have identified cells in the stomach that regulate the release of a hormone associated with appetite. The group is the first to show that ...
Medicine & Health / Medical research
Aug 28, 2009 |
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It's in the genes: Research pinpoints how plants know when to flower
Scientists believe they've pinpointed the last crucial piece of the 80-year-old puzzle of how plants "know" when to flower.
May 25, 2012 |
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More than meets the eye to staying awake, alert
Think twice before falling asleep alongside the glare of your computer and TV screens: exposure to dim light from ordinary room lights, computer screens and other electronic devices late at night may be interfering with our ...
May 13, 2010 |
4.9 / 5 (8) |
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The food-energy cellular connection revealed
Our body's activity levels fall and rise to the beat of our internal drums—the 24-hour cycles that govern fundamental physiological functions, from sleeping and feeding patterns to the energy available to our cells. Whereas ...
Medicine & Health / Medical research
Oct 15, 2009 |
4.6 / 5 (8) |
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Circadian cycle even more important to life than previously suspected: study
Researchers at USC were surprised recently to discover just how much the rising and setting of the sun drives life on Earth – even in unexpected places.
Sep 12, 2011 |
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Scientists pinpoint link between light signal and circadian rhythms
In a new paper published this week in the Proceedings of the National Academy of Sciences, Aziz Sancar, MD, PhD, the Sarah Graham Kenan Professor of Biochemistry and Biophysics in the UNC School of Medicine, and his collea ...
Dec 29, 2010 |
4.5 / 5 (8) |
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Group finds circadian clock common to almost all life forms
(Phys.org) -- A group of biology researchers, led by Akhilesh Reddy from Cambridge University have found an enzyme that they believe serves as a circadian clock that operates in virtually all forms of life. ...
May 17, 2012 |
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How would Einstein use e-mail? Letter writers of yore had same correspondence patterns as e-mail users today
You're not as different from Albert Einstein and Charles Darwin after all, at least when it comes to patterns of correspondence.
Sep 25, 2009 |
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Paper sheds new 'light' on fascinating rhythms of the circadian clock
(PhysOrg.com) -- Scientists have long known that interrupting the 24-hour circadian rhythm plays havoc with the lives and health of medical, military and airline personnel, factory employees and travelers.
Biology /
Feb 16, 2009 |
4.6 / 5 (7) |
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Not just bleach: Hydrogen peroxide may tell time for living cells
If a circadian rhythm is like an orchestra - the united expression of the rhythms of millions of cells - a common chemical may serve as the conductor, or at least as the baton.
Medicine & Health / Medical research
Nov 03, 2009 |
4.6 / 5 (7) |
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New role for ancient clock: Study shows direct link between circadian clock in pancreas and diabetes
The pancreas has its own molecular clock. Now, for the first time, a Northwestern University study has shown this ancient circadian clock regulates the production of insulin. If the clock is faulty, the result is diabetes.
Medicine & Health / Medical research
Jun 18, 2010 |
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