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Science News Archive November 2011 - Page 16


Page 16 of 28

Research examines a growing immigrant population's self employment in the US

Research by University of Cincinnati professor Leila Rodriguez examines business strategies and networking patterns among Nigerian immigrants in New York City. The study reveals that these entrepreneurs adapt African business models to Western strategies, maintaining social distance with suppliers, customers, and employees.

SourceUniversity of Cincinnati·DateNov 14, 2011
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.

1 in 5 Americans has hearing loss

A new study by Johns Hopkins researchers found that nearly 30 million Americans have severe hearing loss, with prevalence doubling every decade. The finding suggests that many more people than previously thought are affected by this condition, which has significant consequences for cognitive decline and physical functioning.

SourceJohns Hopkins Medicine·JournalArchives of Internal Medicine·DateNov 14, 2011

How smart managers make dumb decisions and why shareholders encourage them: Rotman paper

A new study from the University of Toronto's Rotman School of Management finds that smart managers engage in earnings manipulation and insider trading due to limited capacity and ethical weaknesses. The study suggests that choosing less ethical managers may be in the best interests of current shareholders but not future ones.

SourceUniversity of Toronto, Rotman School of Management·JournalJournal of Accounting and Public Policy·DateNov 14, 2011

Nice guys can finish first

A new Harvard study found that dynamic social networks encourage cooperation and friendliness, while selfish behavior can lead to exclusion from the group. Players who re-wired their social connections were more willing to form new relationships with generous individuals.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateNov 14, 2011

New study finds that even the cleanest wastewater contributes to more 'super bacteria'

A new University of Minnesota study reveals that even treated municipal wastewater can contribute significantly to antibiotic-resistant bacteria in surface waters. Researchers found that quantities of these bacteria were typically 20-fold higher near the site where treated wastewater was released into Duluth-Superior Harbor.

SourceUniversity of Minnesota·JournalEnvironmental Science & Technology·DateNov 14, 2011
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.

Self-organized pituitary-like tissue from mouse ES cells

Researchers have successfully differentiated mouse ES cells into a tissue resembling the adenohypophysis, the hormone-secreting component of the pituitary gland. The self-organized tissue exhibits functional hormone secretion and can compensate for pituitary function in mice.

SourceRIKEN·JournalNature·DateNov 14, 2011

'Intelligent design' theme of Art of Science exhibit

The exhibit features research images that capture the exquisite harmony of natural systems, including a field rabbit regulating its body temperature and a simulation of galaxy birth. The competition aimed to reframe the concept of intelligent design, focusing on the beauty of both nature and engineered designs.

SourcePrinceton University, Engineering School·DateNov 14, 2011

Canada needs a vaccine seroepidemiology surveillance system

A vaccine seroepidemiology surveillance system would help track vaccine coverage, identify trends, and predict outbreaks in Canada. This system is crucial for informing vaccine policy and improving the country's immunization programs.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 14, 2011

High childhood IQ linked to subsequent illicit drug use

Research found a strong link between high childhood IQ and subsequent illicit drug use, particularly among women. High IQ scores at age 5 or 10 were associated with increased use of cannabis, cocaine, and other drugs by age 30.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·DateNov 14, 2011

No double standards for natural health products

The natural health products industry lacks robust regulation, putting consumers at risk. The authors argue that uniform regulations can protect consumers while allowing choice.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 14, 2011
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.

Fetal stem cells from placenta may help maternal heart recover from injury

Researchers at Mount Sinai School of Medicine discovered fetal stem cells in the placenta can migrate to and repair damaged maternal hearts after a heart attack. The study found that these cells reprogram into beating heart cells, providing a potential therapeutic agent for cardiac regeneration.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·DateNov 14, 2011

Embargoed news from Annals of Internal Medicine

Research found that higher CHADS2 scores are associated with increased risks of stroke, systemic embolism, and major bleeding in A-Fib patients taking oral anticoagulants. Additionally, a study on warfarin patients suggests a 12-week monitoring interval is non-inferior to the current four-week schedule.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 14, 2011

New journal on disruptive science and technology launching in 2012

The new journal will publish groundbreaking research in bimonthly installments, featuring innovations in science and engineering that can improve society. It aims to accelerate the development of enabling science and engineering to drive disruptive innovation.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalDisruptive Science and Technology·DateNov 14, 2011
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.

Scripps Research scientists find potential Achilles' heel on Lassa fever and related viruses

Researchers at Scripps Research Institute have determined the atomic structure of a protein used by the Lassa fever virus to replicate within infected cells. The study reveals an unexpected molecular crevice where the viral protein grips viral genes, making it a target for potential antiviral drugs.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateNov 14, 2011
Apple iPhone 17 Pro

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

Newly identified gene mutation adds to melanoma risk

Researchers identified a novel gene mutation in the MITF gene that increases the risk of both inherited and sporadic cases of malignant melanoma. The mutation, known as E318K, was found to block sumoylation of MITF, leading to overactivity and significantly increasing melanoma risk.

SourceMassachusetts General Hospital·JournalNature·DateNov 13, 2011

Low vitamin C levels may raise heart failure patients' risk

Research found that heart failure patients with low vitamin C intake had shorter intervals without major cardiac issues or death and were more likely to die from cardiovascular disease. Inflammation pathways in heart failure may contribute to poor health outcomes.

SourceAmerican Heart Association·DateNov 13, 2011

Anti-clotting drug lowers risks in acute coronary syndrome treatment

Researchers found that adding the oral anti-clotting drug rivaroxaban to standard medical treatment for acute coronary syndrome lowered the risk of death, heart attack, or stroke by an average of 16 percent. This improvement in survival rates is comparable to the benefits seen since the introduction of aspirin.

SourceBeth Israel Deaconess Medical Center·JournalNew England Journal of Medicine·DateNov 13, 2011
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.

HDAC inhibitor may overcome resistance to common breast cancer drug

Researchers found that introducing a novel histone deacetylase inhibitor can reverse tumor's survival strategy and stop resistance, leading to higher cell death rates. This approach may prevent hormone therapy resistance in patients with estrogen receptor-positive breast cancer.

SourceAmerican Association for Cancer Research·DateNov 13, 2011

Patients with hypertrophic cardiomyopathy live into their 90s

A study found that hypertrophic cardiomyopathy patients can survive to the age of 90, with most deaths unrelated to the disease. The study analyzed data from 1,297 HCM patients and showed a greater proportion of patients reaching 90 years or older than expected in the general population.

SourceMinneapolis Heart Institute Foundation·DateNov 13, 2011

Antifolates show promise against NSCLC subtype

A recent study found that antifolate drugs may be effective against non-small cell lung cancer (NSCLC) patients with specific mutations in the KRAS gene. The treatment can stop the KRAS gene from being expressed, leading to cancer cell death.

SourceAmerican Association for Cancer Research·DateNov 13, 2011

Rising air pollution worsens drought, flooding, UMD-led study shows

A new study led by University of Maryland researchers found that air pollution increases the intensity of severe storms in wet regions while reducing precipitation in dry regions. The study's findings have significant economic and water resource implications for regions across the US and globally.

SourceUniversity of Maryland·JournalNature Geoscience·DateNov 13, 2011

Professional dental cleanings may reduce risk of heart attack, stroke

A study by the American Heart Association found that frequent professional tooth scaling can lower the risk of heart attacks and strokes. Participants who received regular cleanings had a 24% lower risk of heart attack and 13% lower risk of stroke compared to those who never received dental care.

SourceAmerican Heart Association·DateNov 13, 2011
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.

A more flexible window into the brain

A new microelectronic device developed by a Penn-led team can record brain activity at high resolutions, revolutionizing brain-computer interfaces for treating neurological and psychiatric illnesses. The device's flexibility and multiplexed nanosensors enable precise mapping of brain networks underlying normal function and disease.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Neuroscience·DateNov 13, 2011

BUSM: Severe sepsis, new-onset AF associated with increased risk of hospital stroke, death

A recent study by researchers at Boston University School of Medicine found that severe sepsis and new-onset atrial fibrillation are associated with a higher risk of hospital stroke and death. Patients diagnosed with these conditions during hospitalization had three times the risk of stroke and a seven percent increased risk of mortality.

SourceBoston University School of Medicine·JournalJAMA·DateNov 13, 2011

Paying for sex and 'playing dead' - the deceitful gift-giving spider

New research shows that male nursery web spiders offer 'worthless' gifts to potential mates, which females promptly reject. Despite this, the act of giving a gift still increases mating success for males. The study suggests that both males and females assess the value of gifts and adjust their behavior accordingly.

SourceBMC (BioMed Central)·JournalBMC Evolutionary Biology·DateNov 13, 2011
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.

Bacterial genes tell the tale of an outbreak's evolution

Researchers sequenced bacterial genomes to understand how a pathogen evolves in response to human defenses and medical treatment. The study found widespread purifying selection, but also identified specific genes that showed strong evidence of positive selection.

SourceHarvard Medical School·JournalNature Genetics·DateNov 13, 2011

Future obesity may be predicted at 3.5 years of age

Researchers identified two key factors increasing the risk of childhood obesity: mothers' weight and smoking during pregnancy. Children born to overweight or smoking mothers were more likely to develop high-rising BMI trajectories, with over 50% obese by middle childhood.

SourceUniversity of Montreal·JournalArchives of Pediatrics and Adolescent Medicine·DateNov 13, 2011
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.

Combination therapy shows potent tumor growth inhibition in preclinical studies

A combination of REGN910 and aflibercept has been shown to inhibit tumor growth more effectively than single-agent therapies, with significant improvements in antitumor effects observed in animal models. The treatment also induced increased tumor hypoxia, leading to rapid cell death and dramatic regression in colorectal tumors.

SourceAmerican Association for Cancer Research·DateNov 13, 2011
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.

Tamoxifen resistance -- and how to defeat it

UCSF researchers have discovered the molecular basis for tamoxifen resistance and found a potential way to defeat it. They showed that cells can develop resistance through epigenetic modification, specifically by elevating expression of the 'survival' gene AKT.

SourceUniversity of California - San Francisco·DateNov 13, 2011

Abused girls may have higher risk of heart disease, stroke as adults

Research suggests that sexually and physically abused girls may have a higher risk of cardiovascular disease and strokes as adults. The study found that women who experienced severe physical abuse or forced sex in childhood had a significantly increased risk of heart attacks and strokes.

SourceAmerican Heart Association·DateNov 13, 2011

Benefit of novel drug in breast cancer seen in blood within weeks

A new study found that a novel histone deacetylase inhibitor drug, entinostat, can predict clinical benefit in breast cancer patients just days after treatment. The study showed that levels of protein lysine acetylation were related to clinical benefit, with patients who had elevated levels having a reduced risk of disease progression.

SourceAmerican Association for Cancer Research·DateNov 13, 2011
Fluke 87V Industrial Digital Multimeter

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

CSHL team solves a protein complex's molecular structure to explain its role in gene silencing

Researchers from CSHL and St. Jude's Research Hospital have discovered new details of how a protein complex contributes to heterochromatin assembly and gene silencing in fission yeast. The team identified a previously unknown substructure at the end of Chp1, which plays a crucial role in heterochromatin formation at telomeres.

SourceCold Spring Harbor Laboratory·JournalNature Structural & Molecular Biology·DateNov 13, 2011

New way to target – and kill – proliferating tumors

Researchers at UC San Diego have identified a new class of drugs that can arrest division in virtually all tumor cells by altering the structure of the RAF enzyme. The discovery offers an effective alternative to current therapies and has shown promising results in tests on cancer cell lines, animal models, and human tissue biopsies.

SourceUniversity of California - San Diego·JournalNature Medicine·DateNov 13, 2011
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.

Kidney disease care -- what's in store for the future?

Two studies presented at the American Society of Nephrology's Annual Kidney Week highlight concerns about dialysis clinic closures and their impact on patients' quality of life. The new initiative hopes to reduce new cases of chronic kidney disease and its progression, complications, disability, death, and economic costs.

SourceAmerican Society of Nephrology·DateNov 12, 2011

Intensive diabetes therapy protects Type 1 diabetics' kidneys

Researchers found that intensive diabetes therapy can preserve kidney function in patients with type 1 diabetes, preventing impaired kidney function and kidney failure. The study's results demonstrate the importance of maintaining good glucose control early in the course of type 1 diabetes to prevent long-term kidney complications.

SourceAmerican Society of Nephrology·DateNov 12, 2011

Early, intensive therapy for type 1 diabetes prevented kidney disease in long-term study

A long-term study found that early, intensive glucose-lowering therapy in type 1 diabetes patients prevented impaired glomerular filtration rates and reduced the risk of end-stage kidney disease. Participants who received intensive therapy showed a 50% lower risk of developing impaired GFR over a median follow-up period of 22 years.

SourceUniversity of Washington·JournalNew England Journal of Medicine·DateNov 12, 2011
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.

Which diabetes drug is best for diabetics with kidney disease?

A new study by the American Society of Nephrology found that sitagliptin is safer and just as effective as glipizide in managing type 2 diabetes and chronic kidney disease. Patients taking sitagliptin also tend to lose weight, while those on glipizide often gain weight.

SourceAmerican Society of Nephrology·DateNov 12, 2011

Can Twitter save lives?

A new study from the University of Pennsylvania School of Medicine reveals that discussions about cardiac arrest on Twitter can provide valuable opportunities for public health education. The researchers found that users frequently share information about CPR and AEDs, as well as discuss resuscitation topics in the news.

SourceUniversity of Pennsylvania School of Medicine·DateNov 12, 2011

FIFA, ICRS team up to keep soccer players on their feet

A new supplement of Cartilage, published by SAGE, examines the effects of articular cartilage injury and degeneration in soccer players. The supplement provides a comprehensive overview of current knowledge on cartilage injury, prevention strategies, and treatment options.

SourceSAGE·JournalCartilage·DateNov 11, 2011