News tagged with clock
Portable Precision: A New Type of Atomic Clock
Jun 11, 2009 |
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The most accurate atomic clocks in the world are based on the output of cesium atoms. These ultra-precise fountain clocks measure the frequency and time interval of seconds by using a fountain-like movement of cesium atoms. ...
MicroRNAs grease the cell's circadian clockwork
May 31, 2009 |
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Most of our cells possess an internal clock, a group of genes displaying a cyclic expression pattern that reaches a peak once a day. A large number of circadian genes are expressed by organs such as the liver, whose activity ...
Goal: developing the best atomic clock in the world
May 29, 2009 |
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They are masters at working with light: the scientists at the newly founded QUEST Institute at the Physikalisch-Technische Bundesanstalt (PTB), Braunschweig. And they want to work on some of the most exciting questions relating ...
Circadian rhythms studies reveal new temperature regulator and track clock protein across a day
May 15, 2009 |
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Dartmouth Medical School geneticists have made new inroads into understanding the regulatory circuitry of the biological clock that synchronizes the ebb and flow of daily activities, according to two studies published May ...
Motorola Announces MOTO W7 Active Edition With Gesture Controls
Electronics / Consumer & Gadgets
May 11, 2009 |
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Shake things up with MOTO W7 Active Edition, a motion-enabled 3G mobile device announced today by Motorola. Designed for those who want a "moving" phone experience, MOTO W7 is equipped with an accelerometer ...
Study reveals new data on circadian rhythms
May 07, 2009 |
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Fluctuations in light intensity allow restoring the regularity of circadian rhythms. This is the main conclusion of the work carried out by Javier Buceta, group leader of The SiMBioSys Group (Theoretical and In Silico Modelling ...
FDA backs drug that treats diabetes via the brain
Medicine & Health / Medications
May 06, 2009 |
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(AP) -- People with Type 2 diabetes may soon get a very different treatment approach: A drug that helps control blood sugar via the brain - an idea sparked, surprisingly, by the metabolism of migrating birds.
PER:PER protein pair required for circadian clock function
Apr 29, 2009 |
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(PhysOrg.com) -- Scientists from Queen Mary, University of London have discovered a new protein complex operating in fruit fly circadian clocks, which may also help to regulate our own biological clocks.
A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity
Apr 22, 2009 |
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(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 ...
New 167-processor chip is super-fast, ultra energy-efficient
Apr 22, 2009 |
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A new, extremely energy-efficient processor chip that provides breakthrough speeds for a variety of computing tasks has been designed by a group at the University of California, Davis. The chip, dubbed AsAP, is ultra-small, ...
A step closer to an ultra precise atomic clock
Apr 16, 2009 |
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A clock that is so precise that it loses only a second every 300 million years - this is the result of new research in ultra cold atoms. The international collaboration is comprised of researchers from the ...
Jet lag disturbs sleep by upsetting internal clocks in 2 neural centers
Medicine & Health / Neuroscience
Apr 16, 2009 |
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Jet lag is the bane of many travelers, and similar fatigue can plague people who work in rotating shifts. Scientists know the problem results from disruption to the body's normal rhythms and are getting closer to a better ...
Scientists model 3D structures of proteins that control human clock
Apr 11, 2009 |
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In an Early Edition issue of The Proceedings of the National Academy of Sciences (PNAS) on April 9, 2009, the researchers report that they have been able to determine the molecular structure of a plant photolyase protein that ...
Genetic basis for migration
Mar 31, 2009 |
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Scientists studying Eastern North American monarch butterflies (Danaus plexippus) have uncovered a suite of genes that may be involved in driving the butterflies to migrate towards Mexico for the winter. Their research, publis ...
Clockwork plants
Mar 25, 2009 |
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(PhysOrg.com) -- How do plants tell the time and the passing of the seasons? Plant scientists are enlisting the help of engineers in their quest to uncover the rhythms of circadian clocks.
