http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. The serious behavior problems that can occur in children with autism and related conditions can be reduced with a treatment plan that includes medication combined with a structured training program for parents, according to Yale University researchers and their colleagues. http://www.physorg.com/news178376815.html Medicine & Health Wed, 25 Nov 2009 13:30:02 EST news178376815 Two signaling pathways essential to normal human development - the Wnt/Wingless (Wnt) and epidermal growth factor receptor (EGFR) pathways - interact in ways that can promote tumor cell invasion and metastasis, researchers from The University of Texas M. D. Anderson Cancer Center report in the Nov. 25 issue of Molecular Cell. http://www.physorg.com/news178377136.html Medicine & Health Wed, 25 Nov 2009 13:30:02 EST news178377136 (PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping known as Terzan 5. Never observed anywhere in the bulge before, this peculiar "cocktail" of stars suggests that Terzan 5 is in fact one of the bulge's primordial building blocks, most likely the relic of a dwarf galaxy that merged with the Milky Way during its very early days. http://www.physorg.com/news178377940.html Space & Earth Wed, 25 Nov 2009 13:28:26 EST news178377940 Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists at the Carnegie Institution were part of a team that found that specific proteins in algae can act as a safety valve to dissipate excess absorbed light energy before it can wreak havoc in cells. http://www.physorg.com/news178378035.html Biology Wed, 25 Nov 2009 13:28:05 EST news178378035 Ghrelin, a hormone produced in the stomach, may be used to boost resistance to, or slow, the development of Parkinson's disease, Yale School of Medicine researchers report in a study published in a recent issue of the Journal of Neuroscience. http://www.physorg.com/news178376748.html Medicine & Health Wed, 25 Nov 2009 13:20:02 EST news178376748 Mammals have evolved a complex system for controlling bone remodeling. Babies require calcium for healthy bones and they obtain it from their mother's milk. Nursing mothers release calcium from their bones. Surprisingly, however, the same system also plays a key part in the control of fever and of female body temperature. This finding is reported in a paper in this week's issue of Nature from Josef Penninger's group at the IMBA in Vienna, Austria. http://www.physorg.com/news178377435.html Medicine & Health Wed, 25 Nov 2009 13:18:13 EST news178377435 When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them against damage, scientists have discovered. http://www.physorg.com/news178377237.html Biology Wed, 25 Nov 2009 13:14:44 EST news178377237 Physicians at UT Southwestern Medical Center soon will begin implanting a new device designed to improve breathing in patients with upper spinal-cord injuries or other diseases that keep them from breathing independently. http://www.physorg.com/news178377018.html Medicine & Health Wed, 25 Nov 2009 13:11:05 EST news178377018 It is relatively common for listeners to "hear" sounds that are not really there. In fact, it is the brain's ability to reconstruct fragmented sounds that allows us to successfully carry on a conversation in a noisy room. Now, a new study helps to explain what happens in the brain that allows us to perceive a physically interrupted sound as being continuous. The research, published by Cell Press in the November 25 issue of Neuron provides fascinating insight into the constructive nature of human hearing. http://www.physorg.com/news178376538.html Medicine & Health Wed, 25 Nov 2009 13:03:17 EST news178376538 It seems obvious that naturally waking up from sleep and being startled by something in the environment are two very different emotional states. However, the neuroscience that underlies these different forms of arousal has, for the most part, remained a mystery. http://www.physorg.com/news178375764.html Medicine & Health Wed, 25 Nov 2009 13:01:02 EST news178375764 (AP) -- The European Parliament has endorsed new telecom rules that would give phone and Internet users more rights and allow them to appeal to national courts if they are cut off for illegal file-sharing. http://www.physorg.com/news178374890.html Technology Wed, 25 Nov 2009 12:50:02 EST news178374890 Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days. http://www.physorg.com/news178375259.html Biology Wed, 25 Nov 2009 12:42:43 EST news178375259 Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which in turn activates a brain protein that plays an important role in fear and anxiety behavior. http://www.physorg.com/news178374999.html Medicine & Health Wed, 25 Nov 2009 12:37:43 EST news178374999 (PhysOrg.com) -- You wouldn't want a car with no brakes. It turns out that the developing brain needs them, too. http://www.physorg.com/news178374711.html Medicine & Health Wed, 25 Nov 2009 12:35:23 EST news178374711 (AP) -- Ships are on alert and maritime authorities are monitoring the movements of hundreds of menacing icebergs drifting toward New Zealand in the southern Pacific Ocean, officials said. http://www.physorg.com/news178374623.html Space & Earth Wed, 25 Nov 2009 12:33:50 EST news178374623 Previous studies have indicated that the heparanase (HPA) is correlated with histopathological parameters and poor prognosis of gastric cancers. Although their efficiencies in inhibiting the expression of HPA, the traditional HPA inhibitors may produce nonspecific and undesirable effects. In recent years, genetic approaches targeting HPA have been regarded as a promising alternative. http://www.physorg.com/news178370965.html Medicine & Health Wed, 25 Nov 2009 12:00:01 EST news178370965 The gastric cardiac adenocarcinoma (GCA) is a very rare disease. In recent decades, however, the incidence of the GCA has increased dramatically in many Western countries. An increasing trend in GCA is also observed in municipal regions but not in rural regions of China. Another striking feature is the strong male predominance among patients with GCA. Some of the reasons above are still unclear and require further epidemiological investigations. http://www.physorg.com/news178369840.html Medicine & Health Wed, 25 Nov 2009 11:40:04 EST news178369840 An innovative treatment for HIV patients developed by McGill University Health Centre researchers has passed its first clinical trial with flying colours. The new approach is an immunotherapy customized for each individual patient, and was developed by Dr. J-P. Routy from the Research Institute of the MUHC in collaboration with Dr. R. Sékaly from the Université de Montréal. "This is a vaccine made for the individual patient - an "haute couture" therapy, instead of an off-the-rack treatment" said Dr Routy. http://www.physorg.com/news178370803.html Medicine & Health Wed, 25 Nov 2009 11:40:01 EST news178370803 Angst could be more than a rite of passage for insecure teenagers, according to a study published in the Journal of Pain. Researchers from the Université de Montréal, Sainte-Justine University Hospital Center and McGill University have discovered that insecure adolescents experience more intense pain in the form of frequent headaches, abdominal pain and joint pain. These teens are also more likely to be depressed than peers with secure attachments. http://www.physorg.com/news178369364.html Medicine & Health Wed, 25 Nov 2009 11:30:01 EST news178369364 Soil is the linchpin of the environment, where atmosphere, biosphere, and hydrosphere meet. Despite that, many students see soil as "just dirt" - a place to grow plants, but nothing more. Soil science educators are challenged with the task of helping students and the public recognize the critical importance of soil in the environment. http://www.physorg.com/news178370886.html Space & Earth Wed, 25 Nov 2009 11:28:38 EST news178370886 Tackling climate change by reducing carbon dioxide and other greenhouse emissions will have major direct health benefits in addition to reducing the risk of climate change, especially in low-income countries, according to a series of six papers appearing today (Wed., Nov. 25) in the British journal The Lancet. http://www.physorg.com/news178370528.html Space & Earth Wed, 25 Nov 2009 11:25:54 EST news178370528 New research at the University of Leicester has identified scores of Sicilian temples built to face the rising Sun, shedding light on the practices of the Ancient Greeks. http://www.physorg.com/news178370030.html Other Sciences Wed, 25 Nov 2009 11:20:48 EST news178370030 Dentists can help to identify patients who are in danger of dying of a heart attack or stroke, reveals a new study from the Sahlgrenska Academy. Thanks to the study, six men who thought they were completely healthy were able to start preventive treatment in time. http://www.physorg.com/news178369692.html Medicine & Health Wed, 25 Nov 2009 11:10:12 EST news178369692 Over the course of a lifetime, the heart pumps some 250 million liters of blood through the body. In the order to do this, the muscle fibers of the heart have to be extremely durable. The research group headed by Dr. Wolfgang Rottbauer, vice chair of the Department of Medicine III at Heidelberg University Hospital (Germany), has discovered a protein that is responsible for the stability of the smallest muscular unit, the sarcomere. http://www.physorg.com/news178369149.html Medicine & Health Wed, 25 Nov 2009 11:10:01 EST news178369149 On September 11, firefighters, police officers and ambulance workers faced a terrifying rescue effort in the World Trade Center complex. They battled to save people from the collapsing Twin Towers, searched for survivors, tackled fires and evacuated as many people as they could in an area which contained an estimated 17,000 people. And making their jobs even harder was the problem of poor communications: frightened workers and their relatives jammed mobile networks with calls and the emergency services' own radio communications turned out to be incompatible with one another. http://www.physorg.com/news178369250.html Technology Wed, 25 Nov 2009 11:10:01 EST news178369250 When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands of genes in the liver -- the body's metabolic clearinghouse -- is mostly controlled by food intake and not by the body's circadian clock as conventional wisdom had it. http://www.physorg.com/news178369757.html Medicine & Health Wed, 25 Nov 2009 11:09:50 EST news178369757 A team of Spanish scientists, studying recent, active deformations in the Baetic mountain range, have shown that the activity of smaller tectonic structures close to larger faults in the south east of the Iberian Peninsula partially offsets the risk of earthquakes. http://www.physorg.com/news178368974.html Space & Earth Wed, 25 Nov 2009 10:57:11 EST news178368974 (AP) -- China has detected eight cases of swine flu mutation, a health official said Wednesday, amid longstanding concerns among scientists that the virus could change into a more dangerous form. http://www.physorg.com/news178368989.html Medicine & Health Wed, 25 Nov 2009 10:56:52 EST news178368989 (PhysOrg.com) -- Several research security firms have reported a new worm attack against jail broken iPhones, dubbed "Ikee.B or "Duh", this worm searches for personal and banking information. http://www.physorg.com/news178368713.html Electronics Wed, 25 Nov 2009 10:52:39 EST news178368713 (PhysOrg.com) -- Research into Alzheimer's disease seems an unlikely approach to yield a better way to fight urinary tract infections (UTIs), but that's what scientists at Washington University School of Medicine in St. Louis and elsewhere recently reported. http://www.physorg.com/news178359416.html Chemistry Wed, 25 Nov 2009 09:20:01 EST news178359416