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Science News Archive November 2009 - Page 16


Page 16 of 24

November/December 2009 Annals of Family Medicine tip sheet

New studies reveal the high costs of implementing performance-reporting requirements for primary care practices, which can range from $1,000 to $11,100 per practitioner. Researchers also warn that undisclosed changes made to clinical trial outcomes threaten the integrity of scientific research. In contrast, early abortion care in famil...

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateNov 9, 2009
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Scientists successfully reprogram blood cells

Researchers have successfully transplanted genetically modified hematopoietic stem cells into mice, allowing their developing red blood cells to produce a critical lysosomal enzyme and preventing or reducing organ and central nervous system damage from Hurler's syndrome. This approach has the potential to improve treatment options for ...

SourceCincinnati Children's Hospital Medical Center·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009

Wet ethanol production process yields more ethanol and more co-products

Researchers at the University of Illinois have developed a wet ethanol production method that produces more gallons of ethanol and usable co-products. This process involves soaking corn kernels, resulting in higher ethanol concentrations and better quality co-products compared to conventional dry fractionation methods.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalCereal Chemistry·DateNov 9, 2009

Antimicrobials: Silver (and copper) bullets to kill bacteria

Researchers have developed thin films of silver and copper that can kill bacteria, potentially helping to reduce hospital infections. The antimicrobial properties of these metals have been known for centuries, and a recent study found that combining them may work synergistically to better eliminate microbes.

SourceAmerican Institute of Physics·DateNov 9, 2009

Size matters: Obesity leading risk factor of left atrial enlargement during aging

A prospective study found obesity and hypertension to be independent predictors of left atrial enlargement, increasing the risk of atrial fibrillation, stroke, and death. Obesity was associated with greater increases in left atrial volume and incidence of LAE compared to hypertension.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateNov 9, 2009
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Advance growing animal penile erectile tissue in lab may benefit patients

Researchers at Wake Forest University Baptist Medical Center have successfully grown replacement penile erectile tissue in rabbits, enabling normal sexual function and offspring production. The engineered tissue has the potential to benefit patients with congenital abnormalities, penile cancer, and some cases of erectile dysfunction.

SourceAtrium Health Wake Forest Baptist·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009

Mood improves on low-fat, but not low-carb, diet plan

A one-year study found that participants on a low-fat diet experienced improved mood and well-being compared to those on a high-fat, low-carbohydrate diet. The study suggests that the low-carb diet may have detrimental effects on mood due to its structured nature and potential social challenges.

SourceJAMA Network·JournalArchives of Internal Medicine·DateNov 9, 2009

Look ma, no mercury in fillings!

Researchers at Southwest Research Institute have created a new proof-of-concept dental restorative material made with zirconia nanoplatelets, which are super hard due to the arrangement of atoms in the material. The new fillings aim to replace amalgam, containing mercury, and offer improved durability and ease of use.

SourceAmerican Institute of Physics·DateNov 9, 2009
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Ideal nanoparticle cancer therapies surf the bloodstream

Researchers found that surfboard-shaped nanoparticles stay closest to blood vessel walls, offering a potential solution for targeted cancer therapy. The study suggests that current transfusion techniques may not be ideal, and alternative methods could establish proper blood arrangement faster.

SourceAmerican Institute of Physics·DateNov 9, 2009

Failing the sniff test: Researchers find new way to spot fraud

Researchers at North Carolina State University have developed a new warning system to spot financial statement fraud by evaluating easily verifiable nonfinancial measures such as employee growth, facility square footage, and industry-specific metrics. This method shows promise in detecting fraudulent companies with inflated revenue cla...

SourceNorth Carolina State University·JournalJournal of Accounting Research·DateNov 9, 2009

The bizarre lives of bone-eating worms

Osedax marine worms feast on submerged bones using symbiotic bacteria, with unique sexual and digestive habits and diverse habitats across the world's oceans. Recent research discovered up to twelve further distinct evolutionary lineages exist beyond the five species already described.

SourceBMC (BioMed Central)·JournalBMC Biology·DateNov 9, 2009
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Rutgers computer scientists work to strengthen online security

Rutgers computer scientists are developing a new approach to strengthen online security by asking users activity-based personal questions, making it harder for intruders to guess answers. Early studies suggest these questions related to recent activities are more robust than traditional security questions.

SourceRutgers University·DateNov 9, 2009

Reduced muscle strength associated with risk for Alzheimer's

A study of 970 older adults found that those with weaker muscles were more likely to develop Alzheimer's disease and experience cognitive decline. Muscle strength was also linked to the development of mild cognitive impairment, suggesting a common pathogenesis underlying loss of muscle strength and cognition in aging.

SourceJAMA Network·JournalArchives of Neurology·DateNov 9, 2009
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Hundreds of genes distinguish patients likely to survive advanced melanoma

Researchers at NYU Langone Medical Center have identified hundreds of genes linked to patient survival in advanced melanoma. The study used DNA-microarray technology to find genes involved in the immune response and gene proliferation, providing a new framework for personalized medicine.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009

Study examines quality and duration of primary care visits

Primary care visits in the US increased in quality and duration between 1997 and 2005, with average visit times rising from 18 to 20.8 minutes. Researchers attribute this increase to the growing complexity of patient populations, rather than increased efficiency.

SourceJAMA Network·JournalArchives of Internal Medicine·DateNov 9, 2009

Plasma-in-a-bag for sterilizing devices

Norbert Koster and colleagues have developed a way to sterilize medical tools by sealing them in vacuum bags and then using electromagnetic fields to remotely ignite plasma inside the bag, killing bacteria and viruses. This technique could replace traditional autoclave methods for certain instruments.

SourceAmerican Institute of Physics·DateNov 9, 2009

European Urology: Male factor infertility associated with comorbidities

A prospective case-control survey found that male factor infertility is associated with a higher rate of medical comorbidities, as objectively scored with the Charlson Comorbidity Index. The study suggests that men with male factor infertility may be less healthy than age-comparable fertile men, regardless of their underlying causes.

SourceEuropean Association of Urology·JournalEuropean Urology·DateNov 9, 2009

Population movement can be critical factor in dengue's spread

Researchers found that population movement is a critical factor in dengue's spread in Rio de Janeiro. The study, published in PLOS Neglected Tropical Diseases, revealed that areas with high levels of people traffic have higher risk of transmission.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateNov 9, 2009
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Interdisciplinary research team developing novel drug detection technology

An interdisciplinary team is developing a novel drug detection technology that uses software to analyze biomolecules and determine an individual's history of drug abuse. The system, which can characterize millions of biomolecules, has potential applications in treating addictive behavior and identifying effective new treatments.

SourceVanderbilt University·DateNov 9, 2009

Squeak, squeak -- can you hear me now?

Researchers created a new strain of mice with outstanding hearing as they age, studying the phenomenon known as golden ears. The study offers clues about maintaining good hearing while aging and provides a new tool to explore protective factors that allow some organisms to retain their hearing for their whole lives.

SourceUniversity of Rochester Medical Center·JournalNeurobiology of Aging·DateNov 9, 2009

Nano bubble gum for enhancing drug delivery in gut

Researchers design nanowire-based beads that release drugs in the gut, improving absorption and reducing degradation. The technology may also be used for delivering drugs to mucosal tissues like the nose, lungs, or vagina.

SourceAmerican Institute of Physics·DateNov 9, 2009

First Bose-Einstein condensation of strontium

Physicists from the Institute for Quantum Optics and Quantum Information produced a Bose-Einstein condensate of strontium atoms, outperforming competitors in an international race. The breakthrough was achieved using the isotope 84Sr, which has ideal scattering properties for this phenomenon.

SourceUniversity of Innsbruck·JournalPhysical Review Letters·DateNov 9, 2009
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

NSAIDs prevent early sign of Alzheimer disease in mice

Researchers found that taking nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen can prevent the early sign of Alzheimer's disease in mice. However, these same drugs do not reverse existing neuronal cell cycle events in affected animals.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 9, 2009

The Malawi government's program to cut childhood pneumonia deaths

The Malawi government has introduced a national program to deliver effective pneumonia treatment, known as standard case management, to children. This initiative aims to reduce the high mortality rate of childhood pneumonia in low-income countries by providing timely and appropriate antibiotic therapy and oxygen support.

SourcePLOS·JournalPLOS Medicine·DateNov 9, 2009
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Words, gestures are translated by same brain regions, says new research

A recent study published in PNAS found that the brain regions responsible for decoding spoken words also process wordless gestures. This discovery challenges traditional theories about the evolution of language and suggests that these brain regions may play a broader role in symbol interpretation.

SourceNIH/National Institute on Deafness and Other Communication Disorders·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009

Targeting PKC-theta protein: a way to inhibit harmful immune responses?

A study published in JCI Journals reveals that PKC-theta protein is required for graft-versus-host disease (GVHD) but not for GVL responses or protection against infectious agents. This finding provides a potential new approach to prevent GVHD while preserving beneficial immune responses.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 9, 2009

Now hear this: Mouse study sheds light on hearing loss in older adults

A new study has identified a gene essential to age-related hearing loss, which is linked to oxidative stress and programmed cell death. The researchers found that oral antioxidants can prevent the condition, providing hope for future treatments.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009

Unravelling the pathology of dementia

A study published in PLOS Medicine found that dementia is often associated with mixed pathological changes, including Alzheimer's and vascular dementia. The researchers estimated that drugs targeting specific pathologies may have limited impact on the overall burden of dementia.

SourcePLOS·JournalPLOS Medicine·DateNov 9, 2009
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Drought resistance explained

Scientists discovered how plant hormone ABA interacts with protein PYR1 to trigger drought response. This interaction enables PP2C molecules to be hijacked, allowing plants to increase water uptake and storage while decreasing water loss. The study offers new approaches for increasing crop tolerance to water shortages.

SourceEuropean Molecular Biology Laboratory·JournalNature·DateNov 9, 2009
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Mount Sinai finds those with more difficult to treat forms of HCV are half as likely to get treated

Researchers found that patients with more difficult-to-treat forms of hepatitis C are less likely to initiate treatment, with marital status and comorbidities being significant factors. Mount Sinai is now launching a program to increase support systems for patients, aiming to improve treatment rates.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of Health Care for the Poor and Underserved·DateNov 9, 2009

Scripps team shows diet switching can activate brain's stress system, lead to 'withdrawal' symptoms

Researchers from Scripps Research Institute found that cycling between sweet and regular food can activate the brain's stress system, generating overeating, anxiety, and withdrawal-like symptoms. The study suggests a vicious circle of compulsive eating and anxiety, where repeated dieting can lead to increased stress levels.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Theory about long and short-term memory questioned by UCL scientists

Researchers discovered two distinct short-term memory networks: one independent of the hippocampus and another dependent on it, which are impaired alongside long-term memory. Patients with impaired long-term memory have a significant short-term memory burden.

SourceUniversity College London·JournalProceedings of the National Academy of Sciences·DateNov 9, 2009
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Antarctica glacier retreat creates new carbon dioxide store

Scientists from British Antarctic Survey have discovered a new natural carbon-absorption mechanism in Antarctica, where large blooms of phytoplankton are thriving in areas left exposed by rapid glacier melting. This process stores approximately 3.5 million tonnes of carbon each year, which could help mitigate climate change.

SourceBritish Antarctic Survey·JournalGlobal Change Biology·DateNov 9, 2009

Special issue of medical journal explores Latino health and health care

A special issue of a medical journal examines Latino health disparities, including chronic diseases like hypertension and diabetes. It also highlights the lack of access to primary care services and patient-centered medical homes among Latinos.

SourceUniversity of California - Los Angeles·JournalJournal of General Internal Medicine·DateNov 9, 2009

Back pain permanently sidelines soldiers at war

A study by Johns Hopkins researchers found that only 13% of service members with back pain returned to duty, despite treatment. The low success rate is attributed to psychosocial factors and the limited availability of pain management options in war zones.

SourceJohns Hopkins Medicine·JournalArchives of Internal Medicine·DateNov 9, 2009

Researchers show how to divide and conquer 'social network' of cells

A new study by Université de Montréal scientists has developed a simple way to decouple one cellular network from another, allowing researchers to distinguish between different cell functions. This discovery could have applications in cancer research, where blood-thirsty cells can be targeted and their growth slowed.

SourceUniversity of Montreal·JournalNature Methods·DateNov 9, 2009

Newly discovered fat molecule: An undersea killer with an upside

Scientists at Rutgers University and Woods Hole Oceanographic Institution discover a previously unknown lipid that causes rapid death of phytoplankton in the North Atlantic. The lipid may also hold promise in cancer research by inducing programmed cell death in healthy cells.

SourceWoods Hole Oceanographic Institution·JournalScience·DateNov 9, 2009
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Children with autism more likely to have handwriting problems

A study of 28 children aged 8-13 found that half with autism scored below 80% on handwriting assessments, compared to only one child without autism. Therapies targeting motor skills may help improve handwriting in children with autism, essential for school success and self-esteem.

SourceAmerican Academy of Neurology·JournalNeurology·DateNov 9, 2009