News tagged with clock
How alcohol blunts the ability of hamsters to 'rise and shine'
Sep 01, 2009 |
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Chronic alcohol consumption blunts the biological clock's ability to synchronize daily activities to light, disrupts natural activity patterns and continues to affect the body's clock (circadian rhythm), even days after the ...
Scientists Discover Hunger's Timekeeper
Aug 28, 2009 |
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(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 ...
Scientists identify stomach’s timekeepers of hunger
Medicine & Health / Neuroscience
Aug 14, 2009 |
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(PhysOrg.com) -- New York collaborators at Columbia and Rockefeller Universities have identified cells in the stomach that time the release of a hormone that makes animals anticipate food and eat even when they are not hungry. ...
Ytterbium gains ground in quest for next-generation atomic clocks
Aug 11, 2009 |
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An experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision comparable to that of the NIST-F1 cesium fountain clock, the nation's ...
Sonoro Elements W Wi-Fi Internet radio works without a computer
Electronics / Consumer & Gadgets
Aug 07, 2009 |
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The Sonoro Elements W Wi-Fi Internet radio ($499.99, sonoro-audio.com) is a smallish, glossy black or white clock radio with some standout features.
Video shows nanotube spins as it grows (w/ Videos)
Nanotechnology / Nanomaterials
Jul 27, 2009 |
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(PhysOrg.com) -- New video showing the atom-by-atom growth of carbon nanotubes reveals they rotate as they grow, much like the halting motion of a mechanical clock's second hand. Published online this month ...
Plants' internal clock can improve climate-change models
Jul 02, 2009 |
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The ability of plants to tell the time, a mechanism common to all living beings, enables them to survive, grow and reproduce. In a study published in the latest issue of the prestigious journal Ecology Letters, an international ...
Clocking salt levels in the blood: A link between the circadian rhythm and salt balance
Jul 01, 2009 |
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New research, conducted by Charles Wingo and his colleagues, at the University of Florida, Gainsville, suggests a link between the circadian rhythm and control of sodium (salt) levels in mice.
Researchers use math to reduce jet lag
Jun 18, 2009 |
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Reducing jet lag is the aim of a new mathematical methodology and software program developed by researchers at Brigham and Women's Hospital and the University of Michigan.
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 ...
