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Measurements may help show if constants are changing
Physicists at JILA have performed the first-ever precision measurements using ultracold molecules, in work that may help solve a long-standing scientific mystery-whether so-called constants of nature have changed since the dawn of the universe. view more (2006-05-01)
Sodium, prostaglandin may be keys to successful treatment for some bedwetters
Children with a form of bedwetting that does not respond to a common medication have more sodium and urea in their nighttime urine, possibly because of an imbalance of prostaglandin, a hormone-like substance, a new study has found. view more (2006-12-01)
Nature Research Journals Press Release
NATURE MATERIALS (http://www.nature.com/naturematerials) view more (2005-04-11)
Preventing mother-to-child HIV transmission in low-income countries
Can HIV transmission in pregnancy in low income settings be prevented with round the clock rapid testing in labor? view more (2008-05-06)
Light Receptors in Eye Play Key Role in Setting Biological Clock, Study Shows
Biologists at the University of Virginia have discovered a switching mechanism in the eye that plays a key role in regulating the sleep/wake cycles in mammals. view more (2008-08-18)
Acute Sleep Deprivation Leads To Changes In Nighttime Urine
Our body's production of urine follows a circadian rhythm. During the day, we experience greater urinary frequency; at night, urine production declines, enabling us to get uninterrupted sleep. view more (2007-08-09)
To sleep, perchance to dream: New insight into melatonin production
In the April 1 issue of G&D, a Korean research team led by Dr. Kyong-Tai Kim (Pohang University) describes how melatonin production is coordinated with the body's natural sleep/wake cycles. view more (2007-04-02)
Disturbed sleep is prevalent in widowed seniors
Widowed seniors are more likely to have disrupted sleep when studied at least four months after the loss event, according to a research abstract that will be presented on Wednesday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS). view more (2008-06-11)
High rates of skin cancer among airline pilots
Rates and types of cancer were assessed in 458 pilots, 265 of whom flew the national Icelandic airline across European and transAtlantic routes. These were then compared with the rates of cancer expected to develop in the population as a whole, gathered from data supplied by the national cancer registry, according to age. view more (2000-02-14)
Physicists lead the field in solving matter mystery of the Big Bang
A University of Sussex-led team of scientists is ahead in the race to solve one of the biggest mysteries of our physical world: why the Universe contains matter. With the help of a new £2.3 million grant, the team is working on a project to make one of the most sensitive measurements ever of sub-atomic particles. The results, expected within... view more... (2003-12-10)
Rac 1 and 2, two proteins essential to triggering of the immune response
The dendritic cells act as the body's sentries, standing guard around the clock. As soon as they detect a potential enemy, they alert the T cells, whose role is to defend the body. At the Institut Curie, CNRS researchers in an Inserm laboratory have filmed the encounter of dendritic cells and T cells. They have shown that this "rendez-vous",... view more... (2004-08-23)
New research shows that the seasons may be involved in onset of menopause
Research by Hungarian fertility experts published today (Thursday 10 June) in Europe's leading reproductive medicine journal Human Reproduction[1], has revealed that the onset of the menopause[2] may not be dictated only by the fact that a woman's lifetime supply of eggs are running low, but also by changes in the seasons. Analysis of reliable... view more... (2004-06-08)
NIST method improves reliability of GPS clocks
Widely used by the military, first responders, surveyors and even consumers, GPS is a navigation and positioning system consisting of ground-based monitors and a constellation of satellites that rely on atomic clocks. view more (2005-10-10)
Researchers figure out what makes a simple biological clock tick
An interdisciplinary team of researchers at Vanderbilt University has analyzed the simplest known biological clock and figured out what makes it tick. view more (2007-03-27)
Researchers move closer to switching nuclear isomer decay on and off
Livermore researchers have moved one step closer to being able to turn on and off the decay of a nuclear isomer. view more (2007-04-06)
Spin-polarized electrons on demand
Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole electrons are moved (the digital "one" means "an electron is present on the component", zero means... view more... (2009-01-22)
The first autism disease genes
The autistic disorder, a neurodevelopmental disease first described in 1943, represents a challenge for treatment and a puzzle for research. Alongside Asperger syndrome, a milder form of the disorder, autism is classified in the continuum of various Autism Spectrum Disorders (ASD), all of which are characterized by deficits in language, social... view more... (2008-07-09)
New method for dating art prints and early books borrows know-how from genetic science
A new and relatively simple method for discovering the date when centuries-old art prints and books were produced has been developed at Penn State. view more (2006-06-21)
B2MIN9: Beagle 2 Teams Continue Efforts To Communicate With The Lander
Scientists are still waiting to hear from the Beagle 2 lander on Mars. Two attempts to communicate with Beagle 2 during the last 24 hours - first with the 250 ft (76 m) Lovell Telescope at Jodrell Bank Observatory in Cheshire, UK, and then this morning with the Mars Odyssey orbiter - ended without receiving a signal. Despite this outcome, two... view more... (2003-12-27)
New telomere discovery could help explain why cancer cells never stop dividing
A group working at the Swiss Institute for Experimental Cancer Research (ISREC) in collaboration with the University of Pavia has discovered that telomeres, the repeated DNA-protein complexes at the end of chromosomes that progressively shorten every time a cell divides, also contain RNA. view more (2007-10-05)
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