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Science News for September 5, 2007


Ethnic minorities do stick with clinical research

A recent study found that ethnic minority women can be persuaded to take part in research studies. The factors leading to high retention rates included financial compensation and close communication with researchers. Researchers should tailor their strategies to fit different target groups.

SourceBMC (BioMed Central)·JournalBMC Public Health·DateSep 5, 2007

'QI' projects may -- or may not -- improve patient safety and outcomes

A review of quality improvement curricula suggests that QI projects may not necessarily improve patient outcomes. However, programs that provide ongoing access to performance data, teach small steps of trial and error, and offer active guidance from QI experts can lead to more positive patient outcomes.

SourceJohns Hopkins Medicine·JournalJAMA·DateSep 5, 2007
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.

Heeding the WARNing from malaria’s past

The World Antimalarial Resistance Network (WARN) aims to provide a globally co-ordinated effort to tackle malaria. The network will facilitate worldwide monitoring and characterisation of drug resistance, including clinical efficacy, in vitro response, molecular markers, and pharmacological properties.

SourceBMC (BioMed Central)·JournalMalaria Journal·DateSep 5, 2007

Support and counseling helps Alzheimer's caregivers remain healthy

A new study led by Dr. Mary S. Mittelman found that enhanced counseling and support for Alzheimer's caregivers preserves their physical health and eases depression. The intervention improved self-reported health within four months of enrollment, lasting over a year.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalAmerican Journal of Geriatric Psychiatry·DateSep 5, 2007
Apple iPhone 17 Pro

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

Fever causing headaches for Aussie parents

A Queensland University of Technology study found that Australian parents administer medication incorrectly and overly frequently when it comes to managing childhood fever. The study revealed that 4% of parents gave paracetamol too often and 32% administered ibuprofen at incorrect intervals.

SourceQueensland University of Technology·JournalJournal of Paediatrics and Child Health·DateSep 5, 2007

Targeting nerve growth factor may cure liver cancer

Researchers discovered that nerve growth factor (NGF) is positively related to liver cancer and may be expressed by liver cells to affect themselves or adjacent cells. Targeting NGF could suppress or prevent the development of liver cirrhosis and hepatocellular carcinoma.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateSep 5, 2007

Superbugs, shapes and nanotechnology

Researchers have found that the protective coat of superbug Clostridium difficile can self-assemble into regular shapes, opening up new avenues for fighting hospital superbugs and commercial applications in nanotechnology. This discovery could lead to identifying weaknesses in the coats or discovering new target molecules.

SourceMicrobiology Society·DateSep 5, 2007
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.

New 'knock-out' gene model provides molecular clues to breast cancer

Scientists have developed a new 'knock-out' gene model that provides molecular clues to breast cancer, focusing on the role of estrogen receptors in mammary gland development. The study suggests that estrogen expression is essential for normal duct development during puberty, pregnancy and lactation.

SourceUniversity of Cincinnati·JournalProceedings of the National Academy of Sciences·DateSep 5, 2007

Sugary drinks, not fruit juice, may be linked to insulin

Higher consumption of sugar-sweetened drinks may be associated with insulin resistance, but not 100 percent fruit juice. Study participants who consumed two or more sugar-sweetened beverages per day had significantly higher fasting blood levels of insulin.

SourceTufts University, Health Sciences Campus·JournalJournal of Nutrition·DateSep 5, 2007

Mold linked to asthma

A Cardiff University study found that removing indoor mold improved asthma symptoms, with a significant decrease in inhaler use and improvement of other respiratory issues. The study suggests keeping homes dry and well-ventilated can reduce exposure to mold spores.

SourceCardiff University·JournalThorax·DateSep 5, 2007

McGill study promises faster-acting anti-depressants

A McGill University study has discovered that a new class of serotonin receptor agonists can take effect four to seven times faster than existing selective serotonin reuptake inhibitors (SSRIs). This breakthrough has the potential to significantly improve treatment outcomes for patients with depression.

SourceMcGill University·JournalNeuron·DateSep 5, 2007
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.

Engineers rescue aging satellites, saving millions

A team of engineers from Purdue University and Lockheed Martin Corp. developed a new technique to extend the service life of two communications satellites, saving $60 million for broadcasters. The technique equalizes propellant levels in all four fuel tanks, preventing premature shutdown and waste.

SourcePurdue University·JournalJournal of Spacecraft and Rockets·DateSep 5, 2007

How the public perceives biotech

A recent study reviews the current state of public knowledge on biotechnology, revealing popular misperceptions and scientific illiteracy. The article emphasizes the need for a rational public debate to discuss risks and benefits of agricultural biotechnology.

SourceBlackwell Publishing Ltd.·JournalBiotechnology Journal·DateSep 5, 2007

How insulin TORC2 blood sugar levels: glowing mice light the way

Researchers at the Salk Institute have identified TORC2 as a crucial biochemical control point linking feeding, insulin, and elevated blood sugar production in the liver. The study found that insulin turns off the CREB/TORC2 switch during feeding, highlighting potential drug targets for type II diabetes treatment.

SourceSalk Institute·JournalNature·DateSep 5, 2007

'Alien' jaws help moray eels feed

Researchers discovered moray eels use a second set of jaws to grab food, then bring it back to the esophagus for swallowing. This unusual feeding behavior is unlike most fish, which rely on suction.

SourceUniversity of California - Davis·JournalNature·DateSep 5, 2007
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.

When the levees fail

The US Department of Homeland Security is working on a comprehensive project to identify technologies and procedures to rapidly assess and repair levees. The goal is to limit trouble when a levee breaches or prevent such breaks from happening again, using innovative designs, materials, and approaches. The project aims to develop soluti...

SourceUS Department of Homeland Security - Science and Technology·DateSep 5, 2007

Scripps Research scientists reveal pivotal hearing structure

Researchers identified cadherin 23 and protocadherin 15 as crucial proteins in the conversion of physical cues to electrochemical signals. These proteins form a complex called 'tip links' on hair cells in the inner ear, which is believed to have a central function in converting physical cues into electrical impulses.

SourceScripps Research Institute·JournalNature·DateSep 5, 2007

A possible route to preventing Alzheimer's cognitive decline?

A study published in Neuron found a link between the toxic brain protein Aâ peptide and neuronal overexcitation, leading to compensatory rewiring of brain circuitry. This overexcitation can contribute to cognitive deficits in Alzheimer's disease. Researchers suggest blocking this overexcitation may prevent such neurological deficits.

SourceCell Press·JournalNeuron·DateSep 5, 2007
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

'Holy Grail' of hearing: True identity of pivotal hearing structure is revealed

Researchers have identified two key proteins, cadherin 23 and protocadherin 15, that join together at the precise location where sound vibrations are converted into electrical impulses in the ear. This discovery sheds light on the hearing process and may lead to more precise therapies for treating people with hearing loss.

SourceNIH/National Institute on Deafness and Other Communication Disorders·JournalNature·DateSep 5, 2007

Presence of gene mutation helps guide thyroid cancer treatment

A specific gene mutation, BRAF V600E, is associated with increased risk of recurrence and death in thyroid cancer patients. The mutation can help guide treatment options and follow-up care, including aggressive surgery and radioiodine therapy.

SourceUniversity of California - San Francisco·JournalAnnals of Surgery·DateSep 5, 2007

Joint Dark Energy Mission a top priority for NASA, says NRC

The National Research Council recommends the Joint Dark Energy Mission, supported by NASA and DOE, to study dark energy's role in the universe's expansion. The mission aims to map the sky with unprecedented resolution and study Type Ia supernovae to shed light on this mysterious entity.

SourceDOE/Lawrence Berkeley National Laboratory·DateSep 5, 2007
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.

Study finds a high rate of asthma in college athletes

A new study by Ohio State University Medical Center found that nearly 40% of varsity athletes tested positive for exercise-induced asthma, including those without a prior history of the condition. The study highlights the need for routine diagnosis and management tools to detect this potentially serious condition among athletes.

SourceOhio State University·JournalMedicine & Science in Sports & Exercise·DateSep 5, 2007
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.

1 sample examined by 1,000 pathologists -- how and why?

A large-scale virtual microscopy slide seminar is held with over 800 pathologists from Europe and worldwide participating. The event features digitized samples of rare cases and a European Virtual Microscopy Network for future collaboration.

SourceUniversity of Helsinki·DateSep 5, 2007

Curbing C. difficile's toxin production

Researchers at Tufts University discovered that the CodY protein regulates the genes controlling C. difficile toxin production, which kills human intestinal cells by causing them to burst open. This understanding opens the door for developing a drug that can prevent hospital patients from falling ill.

SourceTufts University, Health Sciences Campus·JournalMolecular Microbiology·DateSep 5, 2007

Role reversal as humans suck life out of leeches

The European land leech Xerobdella lecomtei has become virtually extinct due to human-induced temperature increases in Austria over a 40-year period. The researchers found that rising temperatures led to a drastic reduction in soil moisture, making it difficult for the leech to survive.

SourceSpringer·JournalZeitschrift für Didaktik der Naturwissenschaften·DateSep 5, 2007

Dangerous technology -- Mobiles should be kept away from hospital beds

Research published in Critical Care found that mobile phones can cause electromagnetic interference (EMI) on critical care equipment such as ventilators and pacemakers. The study recorded almost 50 EMI incidents, with the second generation GPRS signal causing the highest number of incidents at over 60%.

SourceBMC (BioMed Central)·JournalCritical Care·DateSep 5, 2007
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.

Research says doctor's gender may hinder early diagnosis of heart disease in women

A recent study by the University of Warwick found that doctors' genders can impact the early detection of coronary heart disease (CHD) in women. The researchers discovered that female doctors were more likely to consider psychological explanations for women's health problems and paid attention to presentation style, potentially diverti...

SourceUniversity of Warwick·JournalSociology of Health & Illness·DateSep 5, 2007

Dangerous liaisons

Researchers find that mis-regulated immune systems can establish reproductive barriers in plants, leading to hybrid necrosis. This phenomenon challenges the classical definition of a species and suggests that speciation may be a gradual process.

SourceMax-Planck-Gesellschaft·JournalPLOS Biology·DateSep 5, 2007
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Brain's timing linked with timescales of the natural visual world

The study reveals that the brain encodes visual information with extreme precision, necessary to represent the slowly changing visual world. The researchers found that the brain's internal clock changes relative to the visual scene's timescale, with precise timing required for accurate perception.

SourceHarvard University·JournalNature·DateSep 5, 2007

Environmental stress probed in cardiovascular disease, diabetes

Researchers studying 523 pairs of twins aim to understand the role of environmental stress in cardiovascular disease and type II diabetes. The study, funded by a $1.7 million grant, will evaluate twins' living environments and stress coping mechanisms over four years.

SourceMedical College of Georgia at Augusta University·DateSep 5, 2007

Adult brain can change, study confirms

Research using fMRI and behavioral studies confirms that adult human brain can reorganize and adapt after damage, such as stroke or visual disorders. The study found that the visually deprived cortex assumed new functional properties, affecting visual perception and leading to distortions in perception.

SourceMassachusetts Institute of Technology·DateSep 5, 2007
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.

Researchers developing device to predict proper light exposure for human health

Researchers at Rensselaer Polytechnic Institute are developing a personal device to measure daily light intake and activity, predicting optimal timing for light therapy to synchronize the circadian clock. The device aims to alleviate psychosocial stress and sleep-related ailments caused by inadequate or irregular light exposure.

SourceRensselaer Polytechnic Institute·DateSep 5, 2007

Physicists establish 'spooky' quantum communication

Researchers at the University of Michigan have successfully established entanglement between two atoms, a key feature of quantum communication. This achievement has significant implications for the development of super-fast quantum computers and a quantum internet.

SourceUniversity of Michigan·JournalNature·DateSep 5, 2007

Brewing a blast-less fertilizer

A team of researchers led by Darrell Taulbee has created a new type of fertilizer that reduces the explosive potential of ammonium nitrate, a key ingredient in homemade bombs. By coating AN pellets with coal ash, they achieve a blast much less violent, without eliminating its initiating power.

SourceUS Department of Homeland Security - Science and Technology·DateSep 5, 2007

Farewell chicken tenders

Researchers at Northwestern University investigated a new study method using Behavioral Economics Theory to rehabilitate participants with unhealthy habits. Participants were assigned to change two behavior changes that had the greatest impact on other unhealthy behaviors.

SourceNorthwestern University·DateSep 5, 2007
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Bacteria successful in cancer treatment

Researchers develop bacteria to deliver anti-cancer treatments by targeting oxygen-starved areas of tumors. The treatment shows effective results in experimental animals, offering a promising alternative to traditional cancer therapies.

SourceMicrobiology Society·DateSep 5, 2007

MIT research details parasitic battles

Scientists recorded entire genomic expression of a host bacterium and infecting virus over eight-hour infection course. The study suggests viral infection may play role in shaping bacterial genetic repertoire, leading to evolutionarily significant exchange.

SourceMassachusetts Institute of Technology, Department of Civil and Environmental Engineering·JournalNature·DateSep 5, 2007

SIAM Student Paper Prize winners announced

The Society for Industrial and Applied Mathematics has awarded the 2007 SIAM Student Paper Prizes to Thomas T. Bringley, Nir Gavish, and Kristoffer G. van der Zee for outstanding papers in their fields.

SourceSociety for Industrial and Applied Mathematics·DateSep 5, 2007

Enzyme alerts cell's powerful army to repair DNA damage

A new study reveals that RNA polymerase II constantly scans the cell's DNA for damage, sending a stress signal to p53, a master protein that responds to DNA damage. This discovery sheds light on how cells protect themselves against cancer-producing DNA lesions.

SourceMichigan Medicine - University of Michigan·JournalProceedings of the National Academy of Sciences·DateSep 5, 2007

Skin oil -- ozone interactions worsen air quality in airplanes

Interactions between ozone and body oils can lead to the formation of chemical byproducts that worsen nasal irritation, headaches, and other air traveler complaints. The study suggests simple steps like installing ozone-destroying catalysts can help reduce these byproducts in aircraft and buildings.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateSep 5, 2007
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.

Study details regulation of vital tumor suppressor gene p53

Researchers at The Wistar Institute discovered that the addition of a single molecule at a specific site on p53 protein represses its activity, while adding a second copy reverses this effect. This nuanced regulation is crucial for maintaining optimal balance between cancer protection and normal growth.

SourceThe Wistar Institute·JournalNature·DateSep 5, 2007

Mice with Alzheimer's disease suffer 'silent' seizures

Researchers discovered 'silent' seizures in mice with Alzheimer's disease, which may be related to cellular changes involving amyloid beta protein accumulations. These seizures could contribute to episodes of confusion in advanced Alzheimer's patients.

SourceBaylor College of Medicine·JournalNeuron·DateSep 5, 2007

A faster class of antidepressants

Researchers have discovered a new class of antidepressants that work by directly enhancing nerve impulses of serotonin neurons. The compounds, RS 67333 and prucalopride, target serotonin type-4 receptors and have been shown to reduce symptoms of depression in rats after just three days of treatment.

SourceCell Press·JournalNeuron·DateSep 5, 2007
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.

Health equity for all: Time for action

The Commission on Social Determinants of Health highlights the significant gaps in health equity across the world, with life expectancies for African and South Asian children being less than 50 years. The report emphasizes that action is needed to address social and political factors contributing to these disparities.

SourceThe Lancet_DELETED·JournalThe Lancet·DateSep 5, 2007