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Science News for September 3, 2012


'Magic carpet' could help prevent falls

The 'magic carpet' technology uses plastic optical fibres to map a person's walking patterns and identify gradual changes or sudden incidents like falls. As many as 30%-40% of community-dwelling older people fall each year, making this technology vital for preventing accidents.

SourceUniversity of Manchester·DateSep 3, 2012

High doses of Vitamin D help tuberculosis patients recover more quickly

Researchers found that high doses of vitamin D, given with antibiotic treatment, accelerate recovery in TB patients by dampening down the body's inflammatory response. Vitamin D supplementation may also benefit patients recovering from pneumonia.

SourceQueen Mary University of London·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012
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.

The eyes have it: Men do see things differently to women

Researchers found that men have a greater sensitivity to fine detail and rapidly moving stimuli, while women excel at distinguishing colors. This difference is attributed to the presence of more neurons in the visual cortex of males.

SourceBMC (BioMed Central)·JournalBiology of Sex Differences·DateSep 3, 2012

Annals of Internal Medicine tip sheet for Sept. 4, 2012

A new systematic review of human studies and nutrient levels in unprocessed foods found that organic foods lack strong evidence for being more nutritious than conventional foods. However, organic produce contained higher levels of total phenols and organic milk and chicken had higher levels of omega-3 fatty acids. NA-ACCORD also showed...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateSep 3, 2012

Tracking fish through a coral reef seascape

Researchers developed a method to analyze ear-bone 'tree rings' to track juvenile fish movements, revealing surprising plasticity and long-distance migrations between habitats. This study has important implications for management and protection of coral reefs.

SourceWoods Hole Oceanographic Institution·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012
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.

Reciprocity an important component of prosocial behavior

Researchers discovered that brown capuchin monkeys were more prosocial when given the opportunity to alternate and help each other, but not when tracking individual past choices. This suggests that reciprocity fosters generosity in humans as well, regardless of familiarity or group affiliation.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012

Australian shipping emissions identified

A recent study by CSIRO and Australian Maritime College reveals that ship engine exhaust emissions account for over a quarter of nitrogen oxide emissions in the Australian region. These non-greenhouse gases can affect air quality near coastal regions and have consequences for human health and amenity.

SourceCSIRO Australia·DateSep 3, 2012

Children taking steroids for asthma are slightly shorter than peers

A new study published in the New England Journal of Medicine found that children taking inhaled steroid drugs for asthma are slightly shorter at their full adult height compared to those who don't use the medication. The study followed over 1,000 children aged 5-12 and found a mean difference of about half an inch in adult height.

SourceWashU Medicine·JournalNew England Journal of Medicine·DateSep 3, 2012

Scientists measure storm impact on river pollution

Researchers will track nutrient water quality and examine pollution levels when sediments are stirred up by storms, creating a statistical model to inform policy decisions. The study aims to understand the role of storms in transferring excess phosphates and nitrates from rivers into coastal seas.

SourceUniversity of Southampton·DateSep 3, 2012

New infrared spectroscopy technique

Researchers at Ruhr-University Bochum developed a new method for studying the interaction between pharmaceuticals and their target proteins. The new technique uses infrared difference spectroscopy, which allows for the analysis of dynamic processes in proteins that were previously inaccessible.

SourceRuhr-University Bochum·JournalChemPhysChem·DateSep 3, 2012
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.

High levels of DDT in breast milk

Researchers have measured high levels of DDT in breast milk from nursing mothers in malaria-stricken villages in South Africa, far exceeding World Health Organization limits. The findings highlight the need to decrease exposure to DDT, which has been linked to various health issues, including cancer and impaired reproductive health.

SourceLinköping University·JournalEnvironmental Pollution·DateSep 3, 2012

Even in normal range, high blood sugar linked to brain shrinkage

A study of 249 people aged 60-64 found that those with high fasting blood sugar levels within the normal range experienced greater brain shrinkage than those with lower levels. Brain volume loss was particularly pronounced in areas involved in memory and cognitive skills, such as the hippocampus and amygdala.

SourceAmerican Academy of Neurology·JournalNeurology·DateSep 3, 2012

Smoking history can predict survival time in COPD

A new study found that smoking history, specifically pack-years, can predict mortality in people with COPD. The researchers analyzed 208 participants and identified age, pack-years, and emphysema area as strong predictors of mortality.

SourceEuropean Respiratory Society·DateSep 3, 2012
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.

Study examines association between Parkinson disease, cancer

A study published in Archives of Neurology found an association between Parkinson disease and an increased risk of prostate cancer and melanoma in patients with PD and their relatives. The research used a Utah genealogic database and a statewide cancer registry to examine the relationship between the two diseases.

SourceJAMA Network·JournalArchives of Neurology·DateSep 3, 2012

Little evidence of health benefits from organic foods, Stanford study finds

A Stanford University study analyzing existing research on organic and conventional foods found limited evidence of health benefits for organic food. The review did show that consumption of organic foods can reduce pesticide exposure, but also noted that the differences were not clinically significant.

SourceStanford Medicine·JournalAnnals of Internal Medicine·DateSep 3, 2012

Bees, fruits and money

The pollination services provided by insects like bees and hover-flies are crucial for global food production, but declining pollinators threaten this ecosystem service. The loss of pollinators could lead to reduced crop yields and decreased fruit and vegetable availability, exacerbating food insecurity.

SourcePensoft Publishers·DateSep 3, 2012

Research reveals contrasting consequences of a warmer Earth

A new study suggests that a warmer Earth generally increases biodiversity, but only after millions of years. However, current trends of increasing temperature are expected to cause diversity loss in the short term due to the speed of change.

SourceUniversity of York·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012
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.

Mathematics or memory? Stanford study charts collision course in brain

Researchers found that nerve cells in the posterior medial cortex (PMC) are strongly activated during recall tasks but suppressed when performing mathematical calculations. This study provides new insights into the brain's introspective activities and highlights the importance of the PMC region.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012

Study details bullying involvement for adolescents with autism spectrum disorder

A recent study published in Archives of Pediatrics & Adolescent Medicine found that approximately 46.3% of adolescents with an autism spectrum disorder were victims of bullying. The study also revealed significant social and environmental factors contributing to bullying involvement among this population.

SourceJAMA Network·JournalArchives of Pediatrics and Adolescent Medicine·DateSep 3, 2012

New long-term antimicrobial catheter developed

Researchers at the University of Nottingham have developed a novel antimicrobial catheter that can kill most urinary bacteria, including Proteus bacteria, for up to twelve weeks. This innovation has significant advantages over existing solutions, offering a solution to recurrent infections in long-term catheter users.

SourceMicrobiology Society·DateSep 3, 2012

Tigers take the night shift to coexist with people

In Chitwan National Park, Nepal, tigers have shifted their nocturnal activity to coexist with people, indicating a potential middle ground for human and tiger survival. The study suggests that conservation efforts can consider both nature and humans, paving the way for sustainable solutions.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012

Obesity and metabolic syndrome associated with impaired brain function in adolescents

A new study reveals that metabolic syndrome is associated with impaired brain function in adolescents, including lower math and spelling scores, decreased attention span, and reduced brain structure. The findings emphasize the importance of addressing childhood obesity to prevent long-term cognitive and brain impairments.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalPEDIATRICS·DateSep 3, 2012
Apple iPhone 17 Pro

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

New neural pathway controlling skeletal development discovered

A newly discovered neural pathway in the autonomic nervous system reaches bones and regulates bone density during adolescence, affecting fracture resistance throughout life. The finding could lead to new therapies for osteoporosis and neural disorders, such as depression and Alzheimer's disease.

SourceThe Hebrew University of Jerusalem·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012

Plain packaging reduces the appeal of smoking

A study found that plain cigarette packs reduce their appeal among young Brazilian women, while branded packs are considered more stylish and sophisticated. The research supports the recommendation for plain packaging to reduce smoking among youth and young adults.

SourceBMC (BioMed Central)·JournalBMC Public Health·DateSep 3, 2012

Parental problems prevent children taking much-needed asthma medication

A new study reveals that parental issues and chaotic home environments are preventing children from taking their prescribed asthma medication. The research found that factors such as family life, parenting problems, financial issues, and lack of parental support are contributing to low adherence rates.

SourceEuropean Respiratory Society·DateSep 3, 2012

Targeting inflammation to treat depression

Researchers found that a medication inhibiting inflammation showed promise in treating major depression, especially in individuals with high levels of inflammation. The study employed infliximab, an antibody blocking tumor necrosis factor, and demonstrated improved symptoms in subjects with elevated C-reactive protein levels.

SourceEmory Health Sciences·JournalArchives of General Psychiatry·DateSep 3, 2012
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Improved diagnosis of lung disease: New global benchmarks

New global benchmarks for lung function have been established, providing a consistent measurement across the entire life span. These charts will help healthcare professionals better understand lung disease progression and raise awareness of its impact on people worldwide.

SourceEuropean Respiratory Society·DateSep 3, 2012
Celestron NexStar 8SE Computerized Telescope

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

Mass spec makes the clinical grade

Researchers developed a mass spectrometry protein assay called PRISM that matches the sensitivity and accuracy of clinical antibody-based tests. The technique can identify proteins from blood with high accuracy and speed up development of diagnostic tests and treatments.

SourceDOE/Pacific Northwest National Laboratory·JournalProceedings of the National Academy of Sciences·DateSep 3, 2012

HIV treatment use increases in the US

Between 2000-2008, the proportion of HIV-infected patients in the US receiving effective treatment increased from 54% to 83%, leading to reduced infectiousness and healthier immune systems. This trend was observed across all age groups, regardless of treatment adherence.

SourceJohns Hopkins Bloomberg School of Public Health·JournalAnnals of Internal Medicine·DateSep 3, 2012

Broader approach provides new insight into diabetes genes

Researchers at Lund University have developed a new approach that links gene variants to their effect on insulin production in human beta cells. The study explains 25% of variations in blood sugar levels, providing greater insight into the causes of type 2 diabetes.

SourceLund University·JournalCell Metabolism·DateSep 3, 2012
Fluke 87V Industrial Digital Multimeter

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

TB outbreaks could be 'solved' by DNA tracking

Researchers used whole-genome sequencing to track TB outbreak, identifying origin and movement of pathogens, key persons and behaviors that contributed to spread. The study found location-based transmission is crucial for outbreak management and informs public health policy and practice.

SourceMicrobiology Society·DateSep 3, 2012