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The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.

Western diet link to ADHD
A new study from Perth's Telethon Institute for Child Health Research shows an association between ADHD and a "Western-style" diet in adolescents. The research findings have just been published online in the international Journal of Attention Disorders. Leader of Nutrition studies at the Institute, Associate Professor Wendy Oddy, said the study examined the dietary patterns of 1800 adolescents from the long-term Raine Study and classified diets into 'Healthy' or 'Western' patterns.
Empa grows 'sea urchin'-shaped structures
Empa researchers have succeeded in growing sea-urchin shaped nanostructures from minute balls of polystyrene beads using a simple electrochemical process. The spines of the sea urchin consist of zinc oxide nanowires. The structured surface should help increasing the efficiency of photovoltaic devices.
Popular diabetes drugs associated with fractures in type 2 diabetic patients
Postmenopausal women with diabetes taking thiazolidinediones (TZDS), including rosiglitazone and pioglitazone, may be at increased risk for fractures according to a new study accepted for publication in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism. Men with diabetes taking both loop diuretics and TZDs may also be at increased risk of fractures.
Vitamin D deficiency linked to arterial stiffness in black teens
Vitamin D deficiency is associated with arterial stiffness, a risk factor for heart disease and stroke, in black teens according to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism. Black teens taking vitamin D supplementation of 2,000 international units per day had a decrease in central arterial stiffness.
New lab test could identify imatinib resistance
Scientists in Japan may have developed a way to accurately predict those patients who will resist treatment with imatinib, which is the standard of care for chronic myeloid leukemia.
Quality coronary bypass care can improve lives and cut costs
A new analysis led by researchers at UCSF shows that avoiding lowest-volume hospitals and maximizing adherence to quality care processes are both effective approaches to reducing costs associated with coronary bypass surgery.
Super-rare 'elkhorn' coral found in Pacific
An Australian scientist has discovered what could be the world's rarest coral in the remote North Pacific Ocean. The unique Pacific elkhorn coral was found while conducting underwater surveys of Arno atoll in the Marshall Islands, by coral researcher Dr. Zoe Richards of the ARC Centre of Excellence for Coral Reef Studies.
Groundbreaking research from Intel Corp. demonstrated at IPR
Groundbreaking research presented by Intel OSA topical meeting, Integrated Photonics Research, Silicon and Nano Photonics (IPR). IPR is currently being held at the Monterey Plaza Hotel in Monterey, Calif., through today.
Intensive chemotherapy may be harmful to most older patients with acute myelo...
The prognosis for nearly three-quarters of elderly patients on intensive chemotherapy for acute myeloid leukemia is poor, with a median survival of less than six months, according to a study published online today in Blood, the journal of the American Society of Hematology.
Scripps research study opens the door to new class of drugs for epileptic sei...
A chemical compound that boosts the action of a molecule normally produced in the brain may provide the starting point for a new line of therapies for the treatment of epileptic seizures, according to a new study by scientists at The Scripps Research Institute.
Quantum fractals at the border of magnetism
Physicists from Rice University, the Max Planck Institute and the Vienna University of Technology are reporting new results from experiments on the perplexing class of materials that includes high-temperature superconductors. In this week's Proceedings of the National Academy of Science, the team reports the unexpected discovery of a simple fractal form of electronic excitations in ultra-low-temperature quantum magnets at the border of magnetism.
Nanomaterials poised for big impact in construction
Nanomaterials are poised for widespread use in the construction industry, where they can offer significant advantages for a variety of applications ranging from making more durable concrete to self-cleaning windows. But widespread use in building materials comes with potential environmental and health risks when those materials are thrown away. Those are the conclusions of a new study published by Rice University engineering researchers this month in ACS Nano.
Brainstem, spinal cord images hidden in Michelangelo's Sistine Chapel fresco
Michelangelo, the 16th century master painter and accomplished anatomist, appears to have hidden an image of the brainstem and spinal cord in a depiction of God in the Sistine Chapel's ceiling, a new study by Johns Hopkins researchers reports. These findings by a neurosurgeon and a medical illustrator, published in the May Neurosurgery, may explain long controversial and unusual features of one of the frescoes' figures.
Dense bones linked to raised risk for prostate cancer
Men who develop prostate cancer, especially the more aggressive and dangerous forms that spread throughout the body, tend to retain denser bones as they age than men who stay free of the disease, suggests new research from Johns Hopkins and the National Institute on Aging, part of the National Institutes of Health.
Aging and longevity tied to specific brain region in mice
The protein SIRT1 in the brain is tied into a mechanism that allows animals to survive when food is scarce, according to a new study at Washington University School of Medicine in St. Louis. The research suggests that SIRT1 may be involved with the life span-increasing effect of low-calorie diets, they report.

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Jobless claims fall 11,000 last week
WASHINGTON (Reuters) - New U.S. claims for unemployment benefits fell slightly more than expected last week, government data showed on Thursday, offering a ray of hope for the anemic labor market recovery.