ScienceDaily: Latest Science News

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• NASA's Spitzer Space Telescope Discovers Largest Ring Around Saturn
• Major Discovery Opens Door To Leishmania Treatment
• Albatross Camera Reveals Fascinating Feeding Interaction With Killer Whale
• New Biologic Drug Is Effective Against Rheumatoid Arthritis
• Wildlife As A Source For Livestock Infections
• New Method Predicts Dropping Out Of University
• To Peer Inside A Living Cell: Quantum Mechanics Could Help Build Ultra-high-resolution Electron Microscopes
• New Chemo Cocktail Blocks Breast Cancer Like A Strong Fence
• Perceptions Might Often Kick A Player When They Are Down
• DNA Test Could Be Key To Targeting Treatments For Head And Neck Cancer
• New Analyzers To Unlock Mineral Value
• Traumatic Childhood Might Take Years Off Adult Life
• Rare Evidence Of Dinosaur Cannibalism: Meat-Eater Tooth Found In Gorgosaurus Jawbone
• Eating Licorice In Pregnancy May Affect A Child's IQ And Behavior
• Growing Greener Greens: Research Could 'Biofortify' Cabbages And Their Relatives
• Are You At Risk For Carpal Tunnel Syndrome?
• Models Begin To Unravel How Single DNA Strands Combine
• Prenatal Exposure To BPA Might Explain Aggressive Behavior In Some 2-Year-old Girls
• Do Dust Particles Curb Climate Change?
• Protein Helps Cells Duplicate Correctly, Avoid Becoming Cancer
• Sand Dunes Reveal Unexpected Dryness During Heavy Monsoon
• High-sensitivity Bone Marrow Aspiration Technology Enhances Leukemia Cell Detection
• Why Did Cowboys Facility Collapse?
• Physical Activity In Adolescence Associated With Decreased Risk Of Brain Cancer In Adulthood
• 'Closed Heart Surgery': Scientists Jump-start The Heart By Gene Transfer
• Gene That Regulates Breast Cancer Metastasis Identified
• How Soy Reduces Diabetes Risk
• Merkel Cell Originates From Skin, Not The Neural Crest
• Filming Photons, One Million Times A Second
• Drivers Of Convertibles May Be At Risk For Noise-induced Hearing Loss
• Climate Change Triggered Dwarfism In Soil-dwelling Creatures Of The Past
• Depression Predicts Increases In Inflammatory Protein Linked To Heart Disease
• Fruit Juices Contain More Vitamin C Than Their Labels Indicate, Spanish Study Finds
• Hypertension And Diabetes Are Concern In Long-Term Care Of Liver Transplant Patients
• High-efficiency Low-cost Silicon Solar Cell Demonstrated
• Child Burn Injuries Down Significantly
• 18th Century Ships' Logs Predict Future Weather Forecast
• Novel Breast Tissue Feature May Predict Woman's Cancer Risk
• Rocket Smash Could Find Moon’s Water Ice, Expert Says
• Scientists Find New Way To Classify Gastric Cancers
• Renewable Hydrogen Production Becomes Reality At Winery
• Keeping Children Safe: Rethinking Design
• Dirty Stars Make Good Solar System Hosts
• New Drug Aims To 'Seek And Destroy' Many Types Of Cancer
• Arctic Sea Ice Recovers Slightly In 2009, Remains On Downward Trend
• Body's Circadian Rhythm Tightly Entwined With Blood Sugar Control
• Just A Yoctosecond: Shortest Flashes From Ultra-hot Matter
• Violent Upbringing May Lead To Domestic Violence

NASA's Spitzer Space Telescope Discovers Largest Ring Around Saturn Posted: 07 Oct 2009 02:00 PM PDT NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings.

Major Discovery Opens Door To Leishmania Treatment Posted: 07 Oct 2009 02:00 PM PDT Leishmania is a deadly parasitic disease that affects over 12 million people worldwide, with 2 million new cases reported every year. Until recently, scientists were unsure exactly how the parasite survives inside human cells. That mystery has now been solved according to a new study that lead to the development of the first prophylactic treatment.

Albatross Camera Reveals Fascinating Feeding Interaction With Killer Whale Posted: 07 Oct 2009 02:00 PM PDT Scientists from the UK and Japan have recorded the first observations of how albatrosses feed alongside marine mammals at sea.

New Biologic Drug Is Effective Against Rheumatoid Arthritis Posted: 07 Oct 2009 02:00 PM PDT Abatacept, a member of a new class of drug that targets immune cells to treat rheumatoid arthritis, is effective against RA, according to a new review. The review examines recent trials to assess safety and efficacy of the drug.

Wildlife As A Source For Livestock Infections Posted: 07 Oct 2009 02:00 PM PDT A bacterium possibly linked to Crohn's disease could be lurking in wild animals. According to new research, Mycobacterium avium subspecies paratuberculosis, can be transmitted between wildlife and domestic ruminants, supporting the theory of wildlife reservoirs of infection.

New Method Predicts Dropping Out Of University Posted: 07 Oct 2009 02:00 PM PDT Researchers in Spain are creating a statistical model to calculate the probability of university students dropping out and to help in the drawing up of strategic plans to reduce the number of students who give up their studies.

To Peer Inside A Living Cell: Quantum Mechanics Could Help Build Ultra-high-resolution Electron Microscopes Posted: 07 Oct 2009 11:00 AM PDT Electrical engineers have proposed a new scheme that can overcome a critical limitation of high-resolution electron microscopes: they cannot be used to image living cells because the electrons destroy the samples. The researchers suggest using a quantum mechanical measurement technique that allows electrons to sense objects remotely without ever hitting the imaged objects, thus avoiding damage.

New Chemo Cocktail Blocks Breast Cancer Like A Strong Fence Posted: 07 Oct 2009 11:00 AM PDT A new chemotherapy cocktail cuts the spread of breast cancer by half and is the first drug to attack metastasizing breast cancer. The disease becomes fatal when it travels outside the mammary ducts, enters the bloodstream and spreads to the bones, liver or brain. Currently, there are only drugs that try to stem the uncontrolled division of cancer cells within the ducts.

Perceptions Might Often Kick A Player When They Are Down Posted: 07 Oct 2009 11:00 AM PDT Just like Lucy pulling the football away from Charlie Brown, kicking a football through goal posts can be an elusive task, according to new research. People trying to kick field goals will see a much smaller goal after unsuccessful attempts. But those who kicked better judged the goal posts to be farther apart and the crossbar lower to the ground.

DNA Test Could Be Key To Targeting Treatments For Head And Neck Cancer Posted: 07 Oct 2009 11:00 AM PDT Scientists have found that a DNA test, which reveals the level of activity of a virus linked to the cause of tonsil, tongue and soft palate cancer, may help medics predict which patients will respond well to particular types of treatments.

New Analyzers To Unlock Mineral Value Posted: 07 Oct 2009 11:00 AM PDT Scientists are working on a new range of materials characterization analyzers and techniques that could help unlock the value contained in Australia's mineral deposits and improve processing performance.

Traumatic Childhood Might Take Years Off Adult Life Posted: 07 Oct 2009 11:00 AM PDT Many U.S. children face a terrible burden of stressors that can harm the development of their brains and nervous systems. These stressors can lead to health problems and diseases throughout their lives, ultimately causing some to die prematurely, according to the lead author of a new study.

Rare Evidence Of Dinosaur Cannibalism: Meat-Eater Tooth Found In Gorgosaurus Jawbone Posted: 07 Oct 2009 08:00 AM PDT A Canadian researcher has found 70 million year old evidence of dinosaur cannibalism. The jawbone of what appears to be a Gorgosaurus was found in 1996 in southern Alberta. A technician at the Royal Tyrell Museum in Alberta found something unusual embedded in the jaw. It was the tip of a tooth from another meat-eating dinosaur.

Eating Licorice In Pregnancy May Affect A Child's IQ And Behavior Posted: 07 Oct 2009 08:00 AM PDT Expectant mothers who eat excessive quantities of licorice during pregnancy could adversely affect their child's intelligence and behavior, a study has shown. A study of 8-year-old children whose mothers ate large amounts of licorice when pregnant found they did not perform as well as other youngsters in cognitive tests.

Growing Greener Greens: Research Could 'Biofortify' Cabbages And Their Relatives Posted: 07 Oct 2009 08:00 AM PDT A pioneering project to make our green vegetables even better for us has been launched by scientists in the UK. The research will underpin future technological developments in agriculture that could help fight a looming food security crisis.

Are You At Risk For Carpal Tunnel Syndrome? Posted: 07 Oct 2009 08:00 AM PDT If you are experiencing pain in your arms, based on individual risk factors, there may be an increased likelihood you are suffering from carpal tunnel syndrome. According to researchers, certain factors can play a role in your prevalence to developing this painful syndrome.

Models Begin To Unravel How Single DNA Strands Combine Posted: 07 Oct 2009 08:00 AM PDT Using computer simulations, researchers have identified some of the pathways through which single complementary strands of DNA interact and combine to form the double helix.

Prenatal Exposure To BPA Might Explain Aggressive Behavior In Some 2-Year-old Girls Posted: 07 Oct 2009 08:00 AM PDT Daughters of women exposed to a common chemical found in some plastics while they were pregnant are more likely to have unusually aggressive and hyperactive behaviors as 2-year-olds, according to a new study.

Do Dust Particles Curb Climate Change? Posted: 07 Oct 2009 05:00 AM PDT A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended in the atmosphere, enlarge the cloud cover and thus curb climate warming. Research has made little or no progress on this issue. Two scientists report that the interaction between aerosols, clouds and precipitation is strongly dependent on factors that have not been adequately researched up to now.

Protein Helps Cells Duplicate Correctly, Avoid Becoming Cancer Posted: 07 Oct 2009 05:00 AM PDT A researcher has discovered that the absence of certain proteins needed for proper cell duplication can lead to cancer.

Sand Dunes Reveal Unexpected Dryness During Heavy Monsoon Posted: 07 Oct 2009 05:00 AM PDT The windswept deserts of northern China might seem an odd destination for studying the heavy monsoon rains that routinely drench the more tropical regions of Southeast Asia. But the sandy dunefields that mark the desert margin between greener pastures to the south and the Gobi Desert to the north are a rich source of information about past climates in Asia. Wetter periods allow vegetation to take root on and stabilize sand dunes. During dry spells, plants die off and the dunes are more active, constantly shifting as sand is blown away and replenished.

High-sensitivity Bone Marrow Aspiration Technology Enhances Leukemia Cell Detection Posted: 07 Oct 2009 05:00 AM PDT Scientists have created a viable technology to improve the detection of leukemia cells in bone marrow.

Why Did Cowboys Facility Collapse? Posted: 07 Oct 2009 05:00 AM PDT A fabric-covered, steel frame practice facility owned by the National Football League's Dallas Cowboys collapsed under wind loads significantly less than those required under applicable design standards, according to a new report. Located in Irving, Texas, the facility collapsed on May 2, 2009, during a severe thunderstorm. Twelve people were injured, one seriously.

Physical Activity In Adolescence Associated With Decreased Risk Of Brain Cancer In Adulthood Posted: 07 Oct 2009 05:00 AM PDT While little is known about the causes of glioma, researchers have found that this rare but often deadly form of brain cancer may be linked to early life physical activity and height.

'Closed Heart Surgery': Scientists Jump-start The Heart By Gene Transfer Posted: 07 Oct 2009 02:00 AM PDT Scientists are reporting that gene therapy may be used to improve an ailing heart's ability to contract properly. In addition to showing gene therapy's potential for reversing the course of heart failure, it also offers a tantalizing glimpse of a day when "closed heart surgery" via gene therapy is as commonly prescribed as today's cocktail of drugs.

Gene That Regulates Breast Cancer Metastasis Identified Posted: 07 Oct 2009 02:00 AM PDT Researchers have identified a key gene (KLF17) involved in the spread of breast cancer throughout the body. They also demonstrated that expression of KLF17 together with another gene (Id1) known to regulate breast cancer metastasis accurately predicts whether the disease will spread to the lymph nodes.

How Soy Reduces Diabetes Risk Posted: 07 Oct 2009 02:00 AM PDT Nutrition scientists have identified the molecular pathway that allows foods rich in soy bioactive compounds called isoflavones to lower diabetes and heart disease risk. Eating soy foods has been shown to lower cholesterol, decrease blood glucose levels and improve glucose tolerance in people with diabetes.

Merkel Cell Originates From Skin, Not The Neural Crest Posted: 07 Oct 2009 02:00 AM PDT Researchers have found that Merkel cells originate in the skin, not the neural crest lineage, as previously speculated.

Filming Photons, One Million Times A Second Posted: 07 Oct 2009 02:00 AM PDT Researchers have created a CMOS (semiconductor) camera capable of filming individual photons one million times a second.

Drivers Of Convertibles May Be At Risk For Noise-induced Hearing Loss Posted: 07 Oct 2009 02:00 AM PDT Drivers who frequently take to the road with the top down may be risking serious damage to their hearing, according to new research.

Climate Change Triggered Dwarfism In Soil-dwelling Creatures Of The Past Posted: 06 Oct 2009 11:00 PM PDT Ancient soil-inhabiting creatures decreased in body size by nearly half in response to a period of boosted carbon dioxide levels and higher temperatures, scientists have discovered.

Depression Predicts Increases In Inflammatory Protein Linked To Heart Disease Posted: 06 Oct 2009 11:00 PM PDT Researchers report that depressive symptoms are associated with increases over time in interleukin-6, an inflammatory protein that predicts cardiovascular events. In contrast, levels of interleukin-6 were not related to later increases in depressive symptoms.

Fruit Juices Contain More Vitamin C Than Their Labels Indicate, Spanish Study Finds Posted: 06 Oct 2009 11:00 PM PDT A team of pharmacists from Spain has established that the levels of vitamin C in many fruit juices and soft drinks are far higher than those indicated on their labels by the manufacturers. This finding has been possible owing to a new technique developed by the researchers to determine the content of vitamin C in these kinds of drinks.

Hypertension And Diabetes Are Concern In Long-Term Care Of Liver Transplant Patients Posted: 06 Oct 2009 11:00 PM PDT A recent study looked at post-transplant care to determine whether primary care physicians (PCPs) or hepatologists are better suited to manage the overall health care of patients who received a liver transplant (LT). Researchers learned that hepatologists believe metabolic complications to be common in LT patients, but not well controlled. The hepatologists surveyed also felt that PCPs should be responsible for managing these conditions, but that this group was not taking an active role.

High-efficiency Low-cost Silicon Solar Cell Demonstrated Posted: 06 Oct 2009 11:00 PM PDT IMEC and BP Solar have demonstrated a 18% conversion efficiency for silicon solar cells made of BP Solar's newly developed Mono2 silicon. By combining IMEC's advanced processing techniques with BP Solar's high-quality low-cost substrates, the companies demonstrated that Mono2 TM has a good potential to become a new base material for low-cost highly-efficient solar cells.

Child Burn Injuries Down Significantly Posted: 06 Oct 2009 11:00 PM PDT A new study finds burn injuries in children under age 21 are down significantly -- 31 percent. That's the good news. However, more than 300 children are still being treated in the hospital every day for thermal, chemical or electrical burns.

18th Century Ships' Logs Predict Future Weather Forecast Posted: 06 Oct 2009 08:00 PM PDT Historical naval logbooks are being used for the first time in research into climate change. The logbooks include famous voyages such as the Beagle, Cook's HMS Discovery and Parry's polar expedition in HMS Hecla.

Novel Breast Tissue Feature May Predict Woman's Cancer Risk Posted: 06 Oct 2009 08:00 PM PDT Researchers have found that certain structural features within breast tissue can indicate a woman's individual cancer risk.

Rocket Smash Could Find Moon’s Water Ice, Expert Says Posted: 06 Oct 2009 08:00 PM PDT Crashing a rocket into the Moon will create "one more dimple" on the lunar surface and could find water ice on Earth's nearest neighbour, according to one expert.

Scientists Find New Way To Classify Gastric Cancers Posted: 06 Oct 2009 08:00 PM PDT Scientists have discovered a new way to classify stomach cancers, and researchers say it may be an important step toward designing more effective treatments and improving long-term survival.

Renewable Hydrogen Production Becomes Reality At Winery Posted: 06 Oct 2009 08:00 PM PDT The first demonstration of a renewable method for hydrogen production from wastewater using a microbial electrolysis system is underway at the Napa Wine Company in Oakville. The refrigerator-sized hydrogen generator will take winery wastewater, and using bacteria and a small amount of electrical energy, convert the organic material into hydrogen.

Keeping Children Safe: Rethinking Design Posted: 06 Oct 2009 08:00 PM PDT Injury is the leading cause of death for children over the age of one in industrialized countries and improving the safety of artificial environments will benefit children's health, according to a new paper.

Dirty Stars Make Good Solar System Hosts Posted: 06 Oct 2009 05:00 PM PDT New research based on 3-D simulations explains why dirty stars -- those with a high abundance of heavy elements, or high metallicity -- tend to have accompanying solar systems.

New Drug Aims To 'Seek And Destroy' Many Types Of Cancer Posted: 06 Oct 2009 05:00 PM PDT A new drug designed to "seek and destroy" common cancers is being tested. The Phase I clinical trial is designed to evaluate the safety of EP-100 in adult patients with solid tumors whose tumor biopsies indicate that they have excessive LHRH receptors. Excessive LHRH receptors are found in a wide range of cancers, including breast, prostate, endometrial, pancreatic, ovarian, skin and testicular cancers.

Arctic Sea Ice Recovers Slightly In 2009, Remains On Downward Trend Posted: 06 Oct 2009 05:00 PM PDT Despite a slight recovery in summer Arctic sea ice in 2009 from record-setting low years in 2007 and 2008, the sea ice extent remains significantly below previous years and remains on a trend leading toward ice-free Arctic summers, according to the University of Colorado at Boulder's National Snow and Ice Data Center.

Body's Circadian Rhythm Tightly Entwined With Blood Sugar Control Posted: 06 Oct 2009 05:00 PM PDT Scientists have long struggled to understand the body's biological clock. Its tick-tock wakes us up, reminds us to eat and tells us when to go to bed. But what sets that circadian rhythm? New research now shows that daily fluctuations in powerful hormones called glucocorticoids directly synchronize the biological clock as an integral part of our mechanism for regulating blood sugar.

Just A Yoctosecond: Shortest Flashes From Ultra-hot Matter Posted: 06 Oct 2009 05:00 PM PDT High-energy heavy ion collisions can be a source of light flashes of a few yoctoseconds duration (a septillionth of a second, 10^-24 s) -- the time that light needs to traverse an atomic nucleus. This is shown in calculations of the light emission of so-called quark-gluon plasmas, which are created in such collisions for extremely short periods of time. Under certain conditions, double flashes are created, which could be utilized in the future to visualize the dynamics of atomic nuclei.

Violent Upbringing May Lead To Domestic Violence Posted: 06 Oct 2009 05:00 PM PDT A recent study shows that individuals who have experienced violence at an early age may have trouble adjusting to healthy, adult romantic relationships and are at a higher risk to experience marital difficulties.

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