ScienceDaily: Latest Science News

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• 200,000-year-old Cut Of Meat: Archaeologists Shed Light On Life, Diet And Society Before The Delicatessen
• Gene Blamed For Immunological Disorders Shown To Protect Against Breast Cancer Development
• Tiny But Adaptable Wasp Brains Show Ability To Alter Their Architecture
• More Infants Surviving Pre-term Births Results In Higher Rates Of Eye Problems
• China's Acid Rain Control Strategy Offset By Increased Nitrogen Oxide Air Pollution
• Colombian Guerrillas Help Scientists Locate Literacy In The Brain
• What Drives Our Genes? Researchers Map The First Complete Human Epigenome
• Earlier Flu Viruses Provided Some Immunity To Current H1N1 Influenza, Study Shows
• Culture Is More Important Than Genes To Altruistic Behavior In Large-scale Societies
• Gene Mingling Increases Sudden Death Risk
• Internet Services: Researchers Save Electricity With Low-power Processors And Flash Memory
• First-of-kind Study Shows Model Can Be Used To Rate Courtroom Psychiatric Experts Performance
• Absent Pheromones Turn Male Flies Into Lusty Lotharios
• 'Molecular Trigger' For Sudden Death In Epilepsy Found
• Researchers Identify Workings Of L-form Bacteria
• Noncorrectable Vision Problems Associated With Shorter Lifespan In Older Adults
• Growing Geodesic Carbon Nanodomes
• Baseball Guru Says Yankees, Dodgers Should Make World Series
• Arctic Has Potential To Alter Earth's Climate: Arctic Land And Seas Account For Up To 25 Percent Of World's Carbon Sink
• Genes Behind Increasingly Common Form Of Cancer Identified
• Ion Tiger Fuel Cell Unmanned Air Vehicle Completes 23-hour Flight
• Statistical Model Superior To Traditional Criteria In Bladder Treatment Decision
• Scientists Obtain Rocks Moving Into Seismogenic Zone
• Seeking Privacy In The Clouds: Research Aims At Isolating Social Network Information From 'Control Of A Central Entity'
• Plants Recognize Siblings: ID System In Roots
• Cell Study Explains Why Younger People More At Risk Of Variant Creutzfeldt-Jakob Disease (vCJD)
• Rip Currents Pose Greater Risk To Swimmers Than To Shoreline, Study Suggests
• Effects Of Aspirin And Folic Acid On Inflammation Markers For Colorectal Adenomas
• Self-managing Internet Applications Flex Their Muscles
• Study Finds 52 Percent Lower Chance Of Dying At Top-rated Hospitals
• Milky Way's Tiny But Tough Galactic Neighbor
• New Cancer Gene Discovered
• Blood Diagnosis: Chip-based And Mobile
• Minimally Invasive Radical Prostatectomy Shows Advantages, But Also Certain Complications
• Ultra-low Power Actuator Suitable For In-vivo Biomedical Applications
• New Brain Stimulation Treatment May Offer Hope For Those With Treatment Resistant Depression
• Researchers Discover Mechanism That Helps Humans See In Bright And Low Light
• Using RNAi-based Technique, Scientists Find New Tumor Suppressor Genes In Lymphoma
• Premium Car Research And Cow Dung Point To New High Tech Disease Diagnosis
• Less Invasive Procedure For Repair Of Abdominal Aortic Aneurysm May Reduce Short-term Risk Of Death
• Seaweed 'Super-Food' Flavoring Ingredients In Development By Irish Company
• 'Beneficial' Effects Of Alcohol? Researchers Urge Caution On Recent Results, Suggest Life-Style Factors Real Source
• Crushed Bones Reveal Literal Dino Stomping Ground
• Researchers Find Candidates For New HIV Drugs
• Computer Helps Deaf Children To Learn Sign Language
• Canadian Blood Supply Future Uncertain As Population Ages
• The Self-managing, 'Unbreakable' Internet?
• Action Video Game Players Experience Diminished Proactive Attention

200,000-year-old Cut Of Meat: Archaeologists Shed Light On Life, Diet And Society Before The Delicatessen Posted: 15 Oct 2009 11:00 AM PDT New findings from the Qesem Cave archaeological dig in Israel indicate that during the Lower Paleolithic Period people prepared and shared meat differently than in earlier times, providing new clues into our evolutionary development, economics and social behaviors.

Gene Blamed For Immunological Disorders Shown To Protect Against Breast Cancer Development Posted: 15 Oct 2009 11:00 AM PDT Researchers are voicing alarm that drugs to treat a wide variety of allergies, asthma and autoimmune diseases now in human clinical trials may errantly spur development of breast tumors.

Tiny But Adaptable Wasp Brains Show Ability To Alter Their Architecture Posted: 15 Oct 2009 11:00 AM PDT For an animal that has a brain about the size of two grains of sand, a lot of plasticity seems to be packed into the head of the tropical paper wasp Polybia aequatorialis.

More Infants Surviving Pre-term Births Results In Higher Rates Of Eye Problems Posted: 15 Oct 2009 11:00 AM PDT As more extremely pre-term infants survive in Sweden, an increasing number of babies are experiencing vision problems caused by abnormalities involving the retina, according to a new report.

China's Acid Rain Control Strategy Offset By Increased Nitrogen Oxide Air Pollution Posted: 15 Oct 2009 11:00 AM PDT Scientists are reporting the first evidence that China's sharp focus on reducing widespread damage to soil by acid rain by restricting sulfur dioxide air pollution may have an unexpected consequence: Gains from that pollution control program will be largely offset by increases in nitrogen emissions, which the country's current policy largely overlooks.

Colombian Guerrillas Help Scientists Locate Literacy In The Brain Posted: 15 Oct 2009 11:00 AM PDT A unique study of former guerrillas in Colombia has helped scientists redefine their understanding of the key regions of the brain involved in literacy. The study has enabled the researchers to see how brain structure changed after learning to read.

What Drives Our Genes? Researchers Map The First Complete Human Epigenome Posted: 15 Oct 2009 08:00 AM PDT Although the human genome sequence faithfully lists (almost) every single DNA base of the roughly 3 billion bases that make up a human genome, it doesn't tell biologists much about how its function is regulated. Now, researchers provide the first detailed map of the human epigenome, the layer of genetic control beyond the regulation inherent in the sequence of the genes themselves.

Earlier Flu Viruses Provided Some Immunity To Current H1N1 Influenza, Study Shows Posted: 15 Oct 2009 08:00 AM PDT Researchers studying the 2009 H1N1 influenza virus, formerly referred to as "swine flu," have identified a group of immunologically important sites on the virus that are also present in seasonal flu viruses that have been circulating for years. These molecular sites appear to result in some level of immunity to the new virus in people who were exposed to the earlier influenza viruses.

Culture Is More Important Than Genes To Altruistic Behavior In Large-scale Societies Posted: 15 Oct 2009 08:00 AM PDT Socially learned behavior and belief are much better candidates than genetics to explain the self-sacrificing behavior we see among strangers in societies, from soldiers to blood donors to those who contribute to food banks.

Gene Mingling Increases Sudden Death Risk Posted: 15 Oct 2009 08:00 AM PDT Medical researchers report that variations in the gene NOS1AP increase the risk of cardiac symptoms and sudden death in patients who have an inherited cardiac disease called congenital long-QT syndrome. The findings will help in assessing the risk of sudden death -- and assigning therapy -- in patients with this syndrome.

Internet Services: Researchers Save Electricity With Low-power Processors And Flash Memory Posted: 15 Oct 2009 08:00 AM PDT Researchers have combined low-power, embedded processors typically used in netbooks with flash memory to create a server architecture that is fast, but far more energy efficient for data-intensive applications than the systems now used by major Internet services.

First-of-kind Study Shows Model Can Be Used To Rate Courtroom Psychiatric Experts Performance Posted: 15 Oct 2009 08:00 AM PDT What does it mean when expert psychiatric witnesses in a court case reach opposing conclusions on the same sets of evidence? A new study suggests via mathematical modeling that both analyses can be completely accurate.

Absent Pheromones Turn Male Flies Into Lusty Lotharios Posted: 15 Oct 2009 05:00 AM PDT When researchers genetically tweaked fruit flies so that they didn't produce certain pheromones, they triggered a sexual tsunami in their laboratory. In fact, they produced bugs so irresistible that normal male fruit flies attempted to mate with pheromone-free males and even females from a different species -- generally a no-no in the fruit fly dating scene.

'Molecular Trigger' For Sudden Death In Epilepsy Found Posted: 15 Oct 2009 05:00 AM PDT The most common gene for long QT syndrome triggers epileptic seizures and could explain sudden unexpected death in epilepsy, say researchers in a new study.

Researchers Identify Workings Of L-form Bacteria Posted: 15 Oct 2009 05:00 AM PDT Researchers have for the first time identified the genetic mechanisms involved in the formation and survival of L-form bacteria. L-form bacteria, which were first discovered in the 1930s, are morphological variants of classical bacteria that lack a cell wall. These bacteria are believed to form in response to cell wall stress from certain antibiotics or the body's immune attack, and are suspected to be associated with antibiotic-resistant infections.

Noncorrectable Vision Problems Associated With Shorter Lifespan In Older Adults Posted: 15 Oct 2009 05:00 AM PDT Visual problems that cannot be corrected are associated with increased risk of death among individuals between the ages of 49 and 74, and all visual impairments may be associated with the risk of death in older adults, according to a new report.

Growing Geodesic Carbon Nanodomes Posted: 15 Oct 2009 05:00 AM PDT Studying the formation of nanoscopic carbon geodesic domes offers insight into the growth of graphene sheets, and may lead to compact, efficient circuitry.

Baseball Guru Says Yankees, Dodgers Should Make World Series Posted: 15 Oct 2009 05:00 AM PDT With the League Championship Series set to begin tomorrow, NJIT Mathematics Professor Bruce Bukiet has, once again, analyzed the probability of each team winning their post-season series. Bukiet updates his calculations daily during the Major League Baseball post-season.

Arctic Has Potential To Alter Earth's Climate: Arctic Land And Seas Account For Up To 25 Percent Of World's Carbon Sink Posted: 15 Oct 2009 02:00 AM PDT In a new study, ecologists estimate that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide. Under current predictions of global warming, this Arctic sink could be diminished or reversed, potentially accelerating predicted rates of climate change.

Genes Behind Increasingly Common Form Of Cancer Identified Posted: 15 Oct 2009 02:00 AM PDT Researchers have identified two genes believed to play a role in the development of endometrial cancer. These results may eventually lead to better diagnosis and treatment of this increasingly common form of cancer.

Ion Tiger Fuel Cell Unmanned Air Vehicle Completes 23-hour Flight Posted: 15 Oct 2009 02:00 AM PDT The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle, has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered flight.

Statistical Model Superior To Traditional Criteria In Bladder Treatment Decision Posted: 15 Oct 2009 02:00 AM PDT Study finds a statistical model can accurately predict which patients will have poor outcomes after bladder surgery and can determine the need for chemotherapy.

Scientists Obtain Rocks Moving Into Seismogenic Zone Posted: 15 Oct 2009 02:00 AM PDT An international group of scientists aboard the Deep-Sea Drilling Vessel CHIKYU return from a 40-day scientific expedition off the shore of the Kii Peninsula, Japan on Oct. 10, 2009.

Seeking Privacy In The Clouds: Research Aims At Isolating Social Network Information From 'Control Of A Central Entity' Posted: 15 Oct 2009 02:00 AM PDT Millions of Internet users have been enjoying the fun -- and free -- services provided by advertiser-supported online social networks like Facebook. But a computer scientist worries about the possible down side -- privacy problems.

Plants Recognize Siblings: ID System In Roots Posted: 14 Oct 2009 11:00 PM PDT Plants may not have eyes and ears, but they can recognize their siblings, and researchers have discovered how. The ID system lies in the roots and the chemical cues they secrete. The finding not only sheds light on the intriguing sensing system in plants, but also may have implications for agriculture and even home gardening.

Cell Study Explains Why Younger People More At Risk Of Variant Creutzfeldt-Jakob Disease (vCJD) Posted: 14 Oct 2009 11:00 PM PDT Specific cells within the immune system could help explain why younger people are more susceptible to variant Creutzfeldt-Jakob disease -- a rare, degenerative, fatal brain disorder. Patients diagnosed with variant CJD are, on average, 28 years old but it has been unclear why older people are not as affected by the disease.

Rip Currents Pose Greater Risk To Swimmers Than To Shoreline, Study Suggests Posted: 14 Oct 2009 11:00 PM PDT Rip currents -- powerful, channeled currents of water flowing away from the shore -- represent a danger to human life and property. Rip currents are responsible for more than one hundred deaths on our nation's beaches each year, and if rip currents persist long enough they can cause beach erosion. However, researchers found that rip currents along at least one beach in Long Island, New York lasted on average a little over one minute, not long enough to substantially alter the shoreline.

Effects Of Aspirin And Folic Acid On Inflammation Markers For Colorectal Adenomas Posted: 14 Oct 2009 11:00 PM PDT Unexpectedly, inflammation markers do not appear to be involved with the chemopreventative effect of aspirin on colorectal adenomas, according to new research.

Self-managing Internet Applications Flex Their Muscles Posted: 14 Oct 2009 11:00 PM PDT A European research project that incubates self-managing internet applications is paying off. It has inspired a Wikipedia that's potentially able to handle more users than the original and super-efficient streaming video, with more to come.

Study Finds 52 Percent Lower Chance Of Dying At Top-rated Hospitals Posted: 14 Oct 2009 11:00 PM PDT The largest annual study of patient outcomes at each of the nation's 5,000 nonfederal hospitals found a wide gap in quality between the nation's best hospitals and all others. According to the study, the leading independent health-care ratings organization, patients at highly rated hospitals have a 52 percent lower chance of dying compared with the US hospital average, a quality chasm that has persisted for the last decade.

Milky Way's Tiny But Tough Galactic Neighbor Posted: 14 Oct 2009 08:00 PM PDT A stunning new image reveals one of our nearest galactic neighbors, Barnard's Galaxy, also known as NGC 6822. The galaxy contains regions of rich star formation and curious nebulae, such as the bubble clearly visible in the upper left of this remarkable vista. The strange shapes of these cosmic misfits help researchers understand how galaxies interact, evolve and occasionally "cannibalize" each other, leaving behind radiant, star-filled scraps.

New Cancer Gene Discovered Posted: 14 Oct 2009 08:00 PM PDT A new cancer gene has been discovered by researchers in Sweden. The gene causes an insidious form of glandular cancer usually in the head and neck and in women also in the breast. The discovery could lead to quicker and better diagnosis and more effective treatment.

Blood Diagnosis: Chip-based And Mobile Posted: 14 Oct 2009 08:00 PM PDT New chip-based blood analysis takes just a few minutes and the doctor knows straight-away whether there are any pathogens in the blood. An improved marker-free technique provides the basis for faster analysis, whether in a hospital or for mobile blood donations.

Minimally Invasive Radical Prostatectomy Shows Advantages, But Also Certain Complications Posted: 14 Oct 2009 08:00 PM PDT New research indicates that the use of minimally invasive procedures for radical prostatectomy, which have increased significantly in recent years, may shorten hospital stays and decrease respiratory and surgical complications, but may also result in an increased rate of certain complications, including incontinence and erectile dysfunction, according to a new study.

Ultra-low Power Actuator Suitable For In-vivo Biomedical Applications Posted: 14 Oct 2009 08:00 PM PDT Researchers have developed an actuator that runs on ultra-low power and that is watertight. This innovative combination of characteristics makes the actuator especially suited for use in in-vivo biomedical applications, and, in general, for all applications that need to combine a long autonomy with small batteries. The prototype has an integrated micro-needle, which can be steered by the actuator.

New Brain Stimulation Treatment May Offer Hope For Those With Treatment Resistant Depression Posted: 14 Oct 2009 08:00 PM PDT A new neurosurgical procedure may prove helpful for patients with treatment-resistant depression. Bilateral epidural prefrontal cortical stimulation was found generally safe and provided significant improvement of depressive symptoms in a small group of patients, according to researchers.

Researchers Discover Mechanism That Helps Humans See In Bright And Low Light Posted: 14 Oct 2009 05:00 PM PDT Ever wonder how your eyes adjust during a blackout? When we go from light to near total darkness, cells in the retina must quickly adjust. Vision scientists have identified an intricate process that allows the human eye to adapt to darkness very quickly. The same process also allows the eye to function in bright light. The discovery could contribute to better understanding of human diseases that affect the retina, including age-related macular degeneration.

Using RNAi-based Technique, Scientists Find New Tumor Suppressor Genes In Lymphoma Posted: 14 Oct 2009 05:00 PM PDT Researchers have uncovered a large, new cache of genes that act as built-in barriers against cancer. Known as tumor suppressors, the newly identified genes and the insight that they provide into devising new therapeutic strategies against lymphoma are described in a new paper.

Premium Car Research And Cow Dung Point To New High Tech Disease Diagnosis Posted: 14 Oct 2009 05:00 PM PDT Researchers have taken high tech gas sensors normally used to test components for premium cars and applied the same techniques to human blood, human urine, and even cow dung samples from local cow pats. The results could lead to a new high tech medical tool that could provide a fast diagnosis for some of the most difficult gastrointestinal illnesses and metabolic diseases.

Less Invasive Procedure For Repair Of Abdominal Aortic Aneurysm May Reduce Short-term Risk Of Death Posted: 14 Oct 2009 05:00 PM PDT Patients who received the less-invasive endovascular repair of an abdominal aortic aneurysm had a lower risk of death in the first 30 days after the procedure compared to patients who an open repair, but both procedures had similar rates of death after two years, according to a new study.

Seaweed 'Super-Food' Flavoring Ingredients In Development By Irish Company Posted: 14 Oct 2009 05:00 PM PDT A range of natural flavorsome food products that rely neither on added salt or monosodium glutamate may soon be available thanks to a Cork-based company exploring the food potential of a major Irish natural resource – seaweed.

'Beneficial' Effects Of Alcohol? Researchers Urge Caution On Recent Results, Suggest Life-Style Factors Real Source Posted: 14 Oct 2009 05:00 PM PDT According a new study of over 3,000 adults aged 70-79, the apparent association between light-to-moderate alcohol consumption and reduced risk of functional decline over time did not hold up after adjustments were made for characteristics related to lifestyle, in particular physical activity, body weight, education and income.

Crushed Bones Reveal Literal Dino Stomping Ground Posted: 14 Oct 2009 02:00 PM PDT A rich dinosaur quarry near Moab, Utah, has one little problem: nearly all the bones are broken. Researchers pieced together what happened and concluded in a new study that the heap of carcasses was trampled while still fresh by big, thirsty sauropods.

Researchers Find Candidates For New HIV Drugs Posted: 14 Oct 2009 02:00 PM PDT Researchers have found compounds that show promise as novel drugs to treat HIV infection in the process of developing a method to assess the activity of a protein that plays an essential role in the progression to AIDS.

Computer Helps Deaf Children To Learn Sign Language Posted: 14 Oct 2009 02:00 PM PDT A computer which automatically recognizes sign language enables children who are deaf or hard of hearing to expand their sign language vocabulary more quickly.

Canadian Blood Supply Future Uncertain As Population Ages Posted: 14 Oct 2009 02:00 PM PDT The Canadian blood supply relies heavily on a small number of donors -- with young adults donating at higher rates -- which may prove problematic as the population ages, according to a new study.

The Self-managing, 'Unbreakable' Internet? Posted: 14 Oct 2009 02:00 PM PDT High-powered internet applications typically need teams of experts to maintain them. Not any more, say European researchers who have built a system to create applications that manage and fix themselves.

Action Video Game Players Experience Diminished Proactive Attention Posted: 14 Oct 2009 02:00 PM PDT Video game players are often accused of passively reacting to tasks that are spoon fed to them through graphics and stimuli on the screen. Researchers show that playing lots of video games has different effects on two types of cognitive activity, proactive and reactive attention.

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