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Science News Archive July 2009 - Page 19


Page 19 of 23

Intensive management can improve blood pressure in nonadherent hypertensive patients

Researchers found that treatment intensification can improve blood pressure control in patients with varying levels of adherence, challenging a widely held assumption. The study's lead author recommends further studies to determine the most effective management strategy for uncontrolled hypertension and suboptimal adherence.

SourceBoston University School of Medicine·JournalHYPERTENSION·DateJul 7, 2009

Regulation and oversight of gun sales reduces trafficking to criminals

A comprehensive regulation of gun sellers appears to reduce the trafficking of guns to criminals, with states having strong regulations and oversight experiencing far less gun trafficking. The study found that cities with laws regulating private sales and strong dealer oversight had significantly lower levels of in-state gun trafficking.

SourceJohns Hopkins Bloomberg School of Public Health·JournalJournal of Urban Health·DateJul 7, 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.

Pluronic L-81 is a potential anti-diabetic drug?

Research on Pluronic L-81, a synthetic copolymer, reveals its potential in alleviating obesity-induced insulin resistance and type 2 diabetes. The study found that L-81 significantly corrected body weight and plasma glucose levels in genetically diabetic mice.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 7, 2009

Economic crisis increases suicides and murders

A study published in The Lancet found that economic crises are associated with rising suicide rates, particularly among working-age populations. Active labor market programs can help reduce the negative impact of unemployment on mortality rates, especially if implemented with adequate social protection mechanisms.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJul 7, 2009

Physicists find way to control individual bits in quantum computers

Researchers have created a way to manipulate single qubits without affecting neighboring information, enabling the development of more reliable quantum computers. The new approach uses polarized light to create effective magnetic fields, simplifying the process of addressing individual qubits.

SourceNational Institute of Standards and Technology (NIST)·JournalNature Physics·DateJul 7, 2009

Finding the constant in bacterial communication

Researchers found that a key factor in quorum sensing is the ratio of bacteria to environment volume, regulating biological functions like bioluminescence and nutrient foraging. This discovery provides insights into fundamental design of quorum sensing systems and enables engineering of synthetic gene circuits.

SourceDuke University·JournalMolecular Systems Biology·DateJul 7, 2009
Apple iPhone 17 Pro

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

Mystery of bat with an extraordinary nose solved

A Virginia Tech researcher has solved the mystery of the Bourret's horseshoe bat's unusually large nose, discovering it uses the elongated snout to create a highly focused sonar beam. The study provides insights into the evolution of biological shape and its physical function.

SourceVirginia Tech·JournalPhysical Review Letters·DateJul 7, 2009

MRI accurately depicts deep endometriosis

A new study published in Radiology found that MRI can accurately diagnose deep endometriosis and locate lesions prior to surgery. The technique was effective in detecting the disease's extent and involvement of surrounding organs, such as the colon and bladder.

SourceRadiological Society of North America·JournalRadiology·DateJul 7, 2009

Cardia resection for perforated gastroesophageal cancer

A surgical procedure, palliative cardia resection with gastroesophageal reconstruction, was performed on a 82-year-old man with iatrogenic perforation of adenocarcinoma of the GE junction. The patient recovered quickly and showed no complaints after treatment.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 7, 2009
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.

Is molecular adsorbent recirculating system effective for all the liver failure patients?

The study found that molecular adsorbent recirculating system (MARS) treatment is effective in patients with acute liver failure. The etiology of liver failure and the grade of encephalopathy before MARS treatment were significant prognostic factors, while coagulation factor 5 levels were also predictive for unknown etiologies.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 7, 2009

Influenza monitoring by the US military

The US military's influenza monitoring system has made notable contributions to global control through collaboration with CDC, FDA, and WHO. The Department of Defense Global Emerging Infections Surveillance and Response System (DoD-GEIS) program provides six objectives relevant to influenza, including laboratory-based surveillance and ...

SourceElsevier Health Sciences·JournalAmerican Journal of Preventive Medicine·DateJul 7, 2009

'Normal' cells far from cancer give nanosignals of trouble

Researchers discovered that cancer cells and their neighboring cells share similar structural abnormalities on the nanoscale level, validating the 'field effect.' This finding could lead to early detection of cancer through simple blood or tissue tests.

SourceNorthwestern University·JournalCancer Research·DateJul 7, 2009

New monkey discovered in Brazil

A new monkey species, Mura's saddleback tamarin, has been discovered in the Amazon region of Brazil. The monkey is related to saddleback tamarins and faces threats from planned dams and highway construction.

SourceWildlife Conservation Society·JournalInternational Journal of Primatology·DateJul 7, 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.

Study finds job programs protect public health during periods of recession

A new study found that job programs can successfully mitigate increased rates of suicides and alcohol abuse during economic downturns. The research team analyzed data from European Union countries over three decades and found that investing in active labor market programs can prevent a rise in deaths during recession.

SourceUniversity of California - San Francisco·JournalThe Lancet·DateJul 7, 2009

Financial crisis increases suicides and homicides

A new study suggests that financial crises can lead to rises in suicides and homicides, but government investments in labour market protections could mitigate these effects. The research estimates that soaring stress brought on by job losses could prompt a rise in suicide rates, particularly in European Union countries.

SourceLondon School of Hygiene & Tropical Medicine·JournalThe Lancet·DateJul 7, 2009

New strategies to improve treatment and ultimately prevent heart failure in children

Researchers are developing innovative cell cycle-based strategies to stimulate heart muscle tissue repair, as well as studying molecular mechanisms of non-compaction of the left ventricle. The goal is to identify risk factors associated with death and improve treatment outcomes for children with congenital heart defects.

SourceIndiana University School of Medicine·JournalPediatric Cardiology·DateJul 7, 2009

2 studies shed light on racial disparities in cancer survival

Two studies found significant racial disparities in breast cancer survival rates, with black women having a higher hazard of death compared to white women. The disparity persists even when controlling for treatment factors and socioeconomic status.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJul 7, 2009
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.

Why are African-Americans less likely to survive certain cancers?

Researchers found African Americans have lower survival rates for breast, prostate, and ovarian cancers due to biological factors, not socioeconomic ones. The study of 19,457 patients showed 49% more likelihood of death from early-stage breast cancer among African Americans.

SourceLoyola Medicine·JournalJNCI Journal of the National Cancer Institute·DateJul 7, 2009

Wrong dose of heart meds too frequent in children

A study published in Pediatrics found that cardiac medication errors occur more frequently in infants under the age of 1, with 96% of errors being benign. The researchers highlight the need for computerized drug orders with built-in double- and triple-checking mechanisms to reduce dosing errors.

SourceJohns Hopkins Medicine·JournalPEDIATRICS·DateJul 7, 2009

Fish on the menu of our ancestors

A study of a 40,000-year-old human skeleton found high levels of nitrogen isotopes suggesting regular consumption of freshwater fish. This suggests that early modern humans in China had access to fish as a food source before the development of effective fishing gear.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateJul 7, 2009
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.

1 step closer to an artificial nerve cell

Researchers at Karolinska Institutet have developed an electrically conducting plastic delivery electrode that releases specific neurotransmitters to activate neighboring brain cells, enabling precise control of neural signals. This technology has the potential to treat various neurological conditions, including hearing loss, epilepsy,...

SourceKarolinska Institutet·JournalNature Materials·DateJul 7, 2009

Erythropoietin boosts brainpower

A study published in BMC Biology found that erythropoietin boosts brainpower in healthy young mice, improving sequential learning and memory components. The growth factor showed superior performance in associative, operant, and discriminant learning tasks.

SourceBMC (BioMed Central)·JournalBMC Biology·DateJul 7, 2009

Q is for quantum and 'Q-life'

Researchers discuss how physics is changing our understanding of cells, brain function, and the potential role of quantum mechanics in biology. Paul Davies suggests that fundamental quantum processes could be key to understanding life's origins.

SourceIOP Publishing·JournalPhysics World·DateJul 7, 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.

Why do African-Americans fare worse with cancer? Access, economics only part of the story

A study of nearly 20,000 patient records found that African-American breast, ovarian, and prostate cancer patients die earlier than others with similar treatment, suggesting biological or host genetic factors as the cause. The survival gap persists even after controlling for socioeconomic factors.

SourceMichigan Medicine - University of Michigan·JournalJNCI Journal of the National Cancer Institute·DateJul 7, 2009

Hormone clue to root growth

Researchers at the University of Nottingham have identified gibberellin as a hormone controlling plant root growth by regulating cell proliferation and expansion rates. The study highlights the importance of understanding hormone regulation in plant biology for improving crop yields.

SourceUniversity of Nottingham·JournalCurrent Biology·DateJul 7, 2009

Playing it safe

Researchers at Max-Planck-Gesellschaft have developed a method to convert adult testis cells in mice into pluripotent stem cells, which can form all types of body tissue, without the use of introduced genes, viruses, or reprogramming proteins. The culture conditions were found to be crucial for the success of the process.

SourceMax-Planck-Gesellschaft·JournalCell Stem Cell·DateJul 7, 2009

Scientists identify cholesterol-regulating genes

Researchers have identified 20 genes involved in cholesterol regulation, including 12 previously unknown genes. This discovery may lead to new treatments for cholesterol-related diseases and help fight heart disease.

SourceEuropean Molecular Biology Laboratory·JournalCell Metabolism·DateJul 7, 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.

Hitting cell hot spot could help thwart Parkinson's disease

Researchers present findings on stimulating metabotropic glutamate receptors to stop glutamate release in brain cells, potentially reversing Parkinson's disease symptoms. Current treatments only alleviate symptoms, but new approach aims to protect and repair dying cells.

SourceUniversity of Manchester·DateJul 7, 2009

Iron and biological production in the high-latitude North Atlantic

In the high-latitude North Atlantic, low iron availability unexpectedly limits summer biological production. Experimental results show that adding iron increases photosynthetic efficiency and growth of phytoplankton, but insufficient iron is available to support the bloom.

SourceNational Oceanography Centre, UK·JournalGlobal Biogeochemical Cycles·DateJul 7, 2009

New NCAR system may guide transoceanic flights around storms and turbulence

The NCAR system combines satellite data, computer weather models, and AI techniques to identify rapidly evolving storms and potential areas of turbulence. Pilots on selected transoceanic routes will receive real-time turbulence updates, providing critical situational awareness.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·DateJul 7, 2009
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.

Single gene mutation responsible for 'catastrophic epilepsy'

Researchers at Baylor College of Medicine have identified a single gene mutation responsible for catastrophic epilepsy, a condition marked by severe muscle spasms, persistent seizures, and mental retardation. The discovery provides a new model for studying the disease and has sparked hope for potential treatments.

SourceBaylor College of Medicine·DateJul 7, 2009

Embargoed news from Annals of Internal Medicine

Research finds that long-distance travel significantly increases the risk of venous thromboembolism, prompting recommendations for low-cost interventions. Stepped-dosing of efavirenz also decreases incidence and severity of neuropsychiatric adverse events while maintaining efficacy.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJul 6, 2009
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Family history predicts presence and course of psychiatric disorders

A family history of depression, anxiety, or substance dependence is associated with the presence and progression of psychiatric disorders. The study found that family history was linked to worse impairment, greater service use, and a recurrent course for all four disorders.

SourceJAMA Network·JournalArchives of General Psychiatry·DateJul 6, 2009

Battle of the sexes benefits offspring, says research

A study published in the Journal of Evolutionary Biology found that parents who slack off compensate with increased effort from their partner, but this is not enough to fully offset parenting responsibilities. Researchers analyzed data on bird parenting behavior over three decades and found a common pattern among species.

SourceUniversity of Bath·JournalJournal of Evolutionary Biology·DateJul 6, 2009

Clinical trial shows quadriplegics can operate powered wheelchair with tongue drive system

A clinical trial shows that quadriplegics can operate a powered wheelchair using a tongue drive system, which detects movement of a magnetic tracer attached to the tongue. The system allows for intuitive control with minimal prior training, enabling users to play computer games and navigate obstacles with ease.

SourceGeorgia Institute of Technology·JournalIEEE Transactions on Biomedical Engineering·DateJul 6, 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.

Songbirds reveal how practice improves performance

Researchers found that brain initially stores improvements in one pathway before transferring to motor pathway for long-term storage. Young zebra finches learn to sing by mimicking their fathers' song and eventually master the syllables and rhythms through repeated practice.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJul 6, 2009

Magnetic brain stimulation improves skill learning

Researchers used magnetic pulses to stimulate the dorsal premotor cortex, improving skill learning in volunteers. The study found that excitatory stimulation enhanced motor consolidation of new skills.

SourceBMC (BioMed Central)·JournalBMC Neuroscience·DateJul 6, 2009
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.

Physics research with atomic force microscope could lead to better health care

Researchers at Kansas State University are using an atomic force microscope to study proteins and molecules, which could lead to better diagnostic tools for diseases like cancer. By stretching and measuring tiny displacements in protein molecules, scientists hope to gain a deeper understanding of the causes of diseases.

SourceKansas State University·JournalNature Chemistry·DateJul 6, 2009

Australian researchers identify genes that cause melanoma

Scientists at QIMR have discovered two genes that significantly increase the risk of developing melanoma in people with multiple moles. This groundbreaking research will help develop new screening techniques and potentially lead to new therapies for this deadly skin cancer.

SourceResearch Australia·JournalNature Genetics·DateJul 6, 2009

Elderly breast cancer patients receive chemotherapy if treated in private practices

A study by Columbia University's Mailman School of Public Health found that elderly women with localized breast cancer are less likely to receive chemotherapy, with only 15% receiving treatment. In contrast, younger women with nonmetastatic breast cancer received adjuvant chemotherapy at a rate of 70%.

SourceColumbia University's Mailman School of Public Health·JournalCancer·DateJul 6, 2009

Laboring without the labor bed: It's a good thing

A University of Toronto pilot study found that removing the standard hospital bed during labor reduced infusions of artificial oxytocin by 28% and allowed women to move freely, promoting feelings of calm and confidence. The ambient room design also led to greater one-on-one attention and support from nurses.

SourceUniversity of Toronto·JournalBirth·DateJul 6, 2009

Internet-based intervention may improve insomnia

A nine-week online intervention based on cognitive behavioral therapy techniques significantly improved sleep quality and reduced insomnia severity in adults with chronic sleep difficulties. The study suggests that internet-based interventions could be a cost-effective and accessible treatment option for millions of people worldwide.

SourceJAMA Network·JournalArchives of General Psychiatry·DateJul 6, 2009
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.

Stanford Alzheimer's research pinpoints antibodies that may prevent disease

Researchers at Stanford University School of Medicine have identified a wide range of antibodies in healthy people and Alzheimer's patients that target protein aggregates, including those found in plaques. These findings suggest that these antibodies may play a role in slowing or preventing the progression of Alzheimer's disease.

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateJul 6, 2009

Hurricane Katrina: Phone home

Researchers from Tel Aviv University have developed a novel way to predict the intensity of the next big flood using cell phone signals. By analyzing fluctuations in atmospheric moisture around cell phone towers, they can provide accurate 'critical moisture distribution' levels for fine-tuning model predictions of big floods.

SourceAmerican Friends of Tel Aviv University·JournalAtmospheric Chemistry and Physics·DateJul 6, 2009