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Science News for July 27, 2010


Reform of primary care could reduce diagnostic errors

A new primary care model called the patient-centered medical home has the potential to reduce diagnostic errors by focusing on teamwork, communication, and patient empowerment. The model emphasizes comprehensive and coordinated care, facilitated by partnerships between patients, their physicians, and other healthcare professionals.

SourceBaylor College of Medicine·JournalJAMA·DateJul 27, 2010

Biomarkers found for postmenopausal cardiovascular disease

Researchers have discovered two novel biomarkers for stroke and coronary heart disease in postmenopausal women. Beta-2 microglobulin levels were significantly elevated in CHD patients, while insulin-like growth factor binding protein 4 was strongly associated with stroke risk.

SourceBMC (BioMed Central)·JournalGenome Medicine·DateJul 27, 2010
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Ben-Gurion University of the Negev researchers identify risks of hypertension in young adults

A large-scale study published by BGU researchers found that normal blood pressure at age 17 can predict hypertension in early adulthood, particularly in teenage boys. The study also revealed that estrogen may protect against hypertension in girls, and that monitoring weight and blood pressure is crucial for adolescents and young adults.

SourceAmerican Associates, Ben-Gurion University of the Negev·DateJul 27, 2010

When flowers turn up the heat

Researchers discovered that certain flowers produce heat as a reward to pollinators, which develop larvae in the spent flowers. This finding suggests a novel role for flower heating in plant-pollinator mutualism.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateJul 27, 2010

CTC screening for colorectal cancer not cost-effective when reimbursed at same rate as colonoscopy

A study published in The Journal of the National Cancer Institute found that computed tomographic colonography (CTC) screening every five years is not cost-effective if reimbursed at the same rate as colonoscopy. However, CTC would be cost-effective if it enticed 25% more individuals to screen.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJul 27, 2010

Fly eye paves the way for manufacturing biomimetic surfaces

Researchers at Penn State have developed a method to create macroscale molds or dies that retain nanoscale features, mimicking biological tissues. The team used blowfly eyes as a template to produce high-quality polymer replicas with precise dimensions.

SourcePenn State·JournalBioinspiration & Biomimetics·DateJul 27, 2010

Who buys what? Research finds clues to marketing innovation

A study by North Carolina State University found that clustered networks of social connections play a key role in diffusing innovation. Opinion leaders within these networks can significantly influence consumer acceptance, with strong connections being crucial for successful adoption.

SourceNorth Carolina State University·JournalJournal of Product Innovation Management·DateJul 27, 2010
Apple iPhone 17 Pro

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

Engineered coral pigment helps scientists to observe protein movement

Scientists have engineered a variant of fluorescent protein from reef coral to observe protein movement in live cells. The newly created mIrisFP has excellent properties as a genetically encoded marker protein, enabling the study of dynamical processes within live cells at high spatial resolution.

SourceNational Oceanography Centre, UK·JournalNature Methods·DateJul 27, 2010

Artificially controlling water condensation leads to 'room-temperature ice'

Researchers at CIN2 have developed a way to make artificial materials that control water condensation, leading to the formation of 'room-temperature ice' at ambient conditions. This breakthrough has significant implications for snowmaking, improved freezer systems, and new coatings for skating rinks.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateJul 27, 2010

A new tool for improving switchgrass

Agricultural Research Service scientists have developed a new genetic map of switchgrass, which is expected to speed up the search for genes that make the perennial plant more viable as a biofuel source. The genetic map divides the switchgrass genome into 18 distinct groups of genes linked together on the same strand of DNA.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalGenetics·DateJul 27, 2010

Where do the drugs go?

A new theoretical model accurately predicts the hydration free energy of a wide variety of organic compounds, enabling accurate prediction of compound movement in complex environments. The model has been developed using computational hydration thermodynamics and chemo-informatic techniques, requiring only 10-20 seconds on a PC.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateJul 27, 2010
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Sensing wind speed with kites

Scientists at the University of Reading in the UK have created a kite-based system to measure wind speed with high accuracy. By attaching a strain gauge to a kite's tether line, researchers found that the tension in the line is linearly related to wind speed, making it a potential tool for atmospheric research.

SourceAmerican Institute of Physics·JournalReview of Scientific Instruments·DateJul 27, 2010

More accurate than Heisenberg allows?

Researchers from LMU and ETH Zurich have shown that position and momentum can be predicted more precisely than Heisenberg's Uncertainty Principle allows, using a quantum memory. This breakthrough enhances our understanding of quantum memories and provides a method for determining entanglement.

SourceLudwig-Maximilians-Universität München·JournalNature Physics·DateJul 27, 2010

Social relationships are linked to improved survival

A meta-analysis of social relationships and mortality risk found that individuals with adequate social connections have a 50% greater likelihood of survival. The study's results suggest that reducing mortality through enhancing social relationship factors may be a major opportunity to improve both survival and quality of life.

SourcePLOS·JournalPLOS Medicine·DateJul 27, 2010
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.

Specific oncogene plays a role in lung squamous cell carcinoma

A study has identified the BRF2 oncogene as specifically associated with lung squamous cell carcinoma, potentially serving as an identification marker and novel therapeutic target. Genetic analysis found frequent activation of BRF2 in pre-invasive stages of the disease, suggesting its role in tumorigenesis.

SourcePLOS·JournalPLOS Medicine·DateJul 27, 2010

Relationships improve your odds of survival by 50 percent

A Brigham Young University study reveals that social connections, such as friends and family, significantly increase the odds of survival by 50 percent. The research analyzed data from 148 studies, showing that low social interaction is comparable to smoking or being an alcoholic in terms of risk.

SourceBrigham Young University·JournalPLOS Medicine·DateJul 27, 2010

Few people are doing it, so why should I? Motivating men to seek cancer screening

A new study published in Psychological Science found that men are less likely to seek cancer screening when presented with misleading information about the prevalence of screening among other men. The researchers suggest that framing health messages to emphasize the benefits of screening rather than relying on relative numbers can be a...

SourceAssociation for Psychological Science·JournalPsychological Science·DateJul 27, 2010

Birds may increase their offspring's survival through infidelity

A University of East Anglia study found that female birds in the Seychelles warbler species prefer extra-pair fertilizations, which increase genetic diversity and disease resistance in offspring. This results in longer lifespan for those individuals.

SourceUniversity of East Anglia·JournalMolecular Ecology·DateJul 27, 2010
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.

Findings show promise for nuclear fusion test reactors

Researchers at Purdue University have discovered critical mechanisms for the plasma-material interface in nuclear fusion test reactors. The findings show promise for developing new coatings capable of withstanding extreme conditions inside the reactors.

SourcePurdue University·DateJul 27, 2010

Protein identified that can result in fragile bones

Researchers identify neogenin as a crucial protein in skeletal development, which can disrupt cartilage and bone formation if mutated. This finding offers new insight into treating osteoarthritis and provides potential therapeutic targets.

SourceMedical College of Georgia at Augusta University·DateJul 27, 2010

Hurricane study to tackle long-standing mystery

Researchers will deploy NSF/NCAR Gulfstream V research aircraft to gather data on tropical storms that may become hurricanes. By understanding these storms' formation, scientists can help the National Hurricane Center attain five- or seven-day hurricane forecasts.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·DateJul 27, 2010
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.

Potentially hazardous asteroid might collide with the Earth in 2182

Asteroid '(101955) 1999 RQ36' has a 0.00054 chance of colliding with Earth in 2182, according to researchers who used the Monte Carlo Method and line of variations sampling models. The asteroid's orbit is influenced by the Yarkovsky effect, which slightly modifies its path.

SourceSpanish Foundation for Science and Technology·JournalIcarus·DateJul 27, 2010

Hormonal birth control alters scent communication in primates

A Duke University study found that hormonal contraceptives alter the chemical cues used by ring-tailed lemurs to determine genetic fitness and relatedness. The study also showed that males are less interested in females treated with contraceptives, suggesting potential effects on human mate choice.

SourceDuke University·DateJul 27, 2010

In the 'neck' of time: Scientists unravel another key evolutionary trait

Researchers found that the human neck played a crucial role in the evolution of the human brain by enabling improved movement and dexterity in terrestrial and aerial environments. This innovation allowed for a wide range of forelimb abilities, from flying to swimming and playing piano.

SourceCornell University·JournalNature Communications·DateJul 27, 2010
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Eddies against the wall

Recent advances in computing have improved fluid modeling for low Reynolds numbers, but significant challenges remain for high-Reynolds-number flows, crucial in aeronautics and climate modeling.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateJul 27, 2010

Women in their 40s have lower mammographic tumor detectability

A study found that mammographic tumor detectability decreases with age, primarily due to denser breast tissue masking tumors. The study suggests that lowered mammographic tumor detectability accounts for 79% of the poorer sensitivity in mammography screening among younger women.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJul 27, 2010
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.

Late preterm births risk respiratory illness

Babies born between 34 and 37 weeks gestation are more likely to experience respiratory issues, with risks decreasing as gestational age approaches full term. Respiratory distress syndrome was found in 11% of 34-week deliveries and transient tachypnea in 6.4% of the same group.

SourceUniversity of Illinois Chicago·JournalJAMA·DateJul 27, 2010

A hop from South America -- tracking Australian marsupials

Research reveals that Australian marsupials descended from a single ancestral South American species, suggesting a simplified migration scenario across Antarctica. The study used retroposon markers to reconstruct the marsupial family tree and confirm this finding.

SourcePLOS·JournalPLOS Biology·DateJul 27, 2010
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.

Cheaper substrates made of oxide materials

Researchers at Taiwan's National Chiao Tung University have made a discovery that opens the door to building electronic components like diodes on various substrates, including plastic, paper, and fabric. They developed a new method to improve the rectification efficiency of oxide diodes by forming nanoscale current paths in oxides.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateJul 27, 2010

CIHR team grant to fund multidisciplinary breast cancer survivorship studies

A team of researchers led by Dr. Kerry Courneya will investigate the impact of physical activity on breast cancer outcomes in a five-year study. The study aims to explore how physical fitness levels affect disease recurrence, treatment completion, and quality of life in women with breast cancer.

SourceUniversity of Alberta - Faculty of Physical Education and Recreation·DateJul 27, 2010

Alcohol reduces the severity of rheumatoid arthritis

A new study published in Rheumatology found that moderate alcohol consumption may reduce the severity of rheumatoid arthritis symptoms and risk. The study, which involved over 1,800 patients, showed a significant inverse association between frequency of alcohol consumption and RA severity.

SourceOxford University Press UK·JournalRheumatology·DateJul 27, 2010

A future with or without trees

A recent study by Brown-MBL researchers estimates that reducing deforestation in the Brazilian Amazon state could lead to significant reductions in greenhouse gas emissions. The study found that achieving a goal of 89% reduction in deforestation rates by 2020 would result in lower net emissions, with up to 6.3 billion metric tons of CO...

SourceMarine Biological Laboratory·JournalProceedings of the National Academy of Sciences·DateJul 27, 2010
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Listeriosis in the developing world may not follow usual pattern

Three unusual cases of patients with listerial meningitis were presented, highlighting that Listeriosis in developing countries does not follow the usual pattern. The cases did not match the typical profile of newborns or elderly individuals, suggesting a different risk factor profile in these regions.

SourcePLOS·JournalPLOS Medicine·DateJul 27, 2010

Late preterm births associated with increased risk of respiratory illnesses

A study of over 200,000 deliveries found that late preterm births (34-37 weeks) are associated with a higher risk of severe respiratory illness. The risk decreases with advancing gestational age, with the lowest risk at 38-40 weeks. Early ultrasound confirmation and mode of delivery may help prevent neonatal morbidity.

SourceJAMA Network·JournalJAMA·DateJul 27, 2010
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Background music can impair performance, cites new study

Researchers from <i>Applied Cognitive Psychology</i> found that listening to music can impair cognitive performance during tasks, even when participants enjoy the music. The study suggests that the acoustical variation in musical environments affects recall and mental arithmetic.

SourceWiley·JournalApplied Cognitive Psychology·DateJul 27, 2010

HIV in maternal and child heath

The PLOS Medicine editors argue for a more integrated approach to addressing HIV in maternal and child health. Concurrent crises of maternal and child health and HIV require cooperation to address effectively.

SourcePLOS·JournalPLOS Medicine·DateJul 27, 2010

Waste chip fat fuels hydrogen economy

Researchers at the University of Leeds have found an innovative process to produce hydrogen from used cooking oil, generating some of the energy needed and producing a nearly carbon-neutral byproduct. This breakthrough technology has the potential to power cars, large-scale power plants, and even reduce energy loss during transmission.

SourceUniversity of Leeds·JournalBioresource Technology·DateJul 27, 2010

Can you ask a pig if his glass is half full?

Researchers from Newcastle University have found that pigs' moods reflect their level of contentment, influenced by their living environment. The study used a technique to 'ask' pigs about their optimism or pessimism, revealing a direct correlation between emotional state and physical space.

SourceNewcastle University·DateJul 27, 2010
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Multifunctional nanoparticle enables new type of biological imaging

Researchers have developed a multifunctional nanoparticle that eliminates background noise, enabling precise medical imaging. The technique uses photoacoustic imaging to detect single cells, potentially revolutionizing cancer detection and molecular imaging.

SourceUniversity of Washington·JournalNature Communications·DateJul 27, 2010

The more frequently you log on, the more weight you can keep off

A Kaiser Permanente Center for Health Research study found that participants who logged on to an interactive weight management website consistently maintained the most weight loss. Those who used the site at least once a month for two-and-a-half years kept off an average of nine pounds of their original weight loss.

SourceKaiser Permanente·JournalJournal of Medical Internet Research·DateJul 27, 2010

2 catalysts are better than 1

Researchers have successfully used two catalysts to produce valuable compounds for biomedical research. The cooperative catalysis approach allows for rapid, efficient and controlled production of large amounts of a key building block for many pharmaceuticals.

SourceNorthwestern University·JournalNature Chemistry·DateJul 27, 2010

Native-like spider silk produced in metabolically engineered bacterium

Researchers have successfully produced native-like spider silk in a metabolically engineered bacterium, opening up new avenues for sustainable materials and biomedical applications. The artificial fiber exhibits comparable mechanical properties to native spider silk, with high strength, extensibility, and stiffness.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalProceedings of the National Academy of Sciences·DateJul 27, 2010
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Trainee publication highlights success of US-China agricultural injury research training project

A new study published in the American Journal of Industrial Medicine reveals that there was no significant difference in injury prevalence between ethnic minority and majority groups of Chinese farmers. The US-China Agricultural Injury Research Training Project successfully trained Chinese scholars, expanding collaborative research act...

SourceNationwide Children's Hospital·JournalAmerican Journal of Industrial Medicine·DateJul 27, 2010