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Science News Archive 2011


Page 169 of 311

Millions with peripheral artery disease not getting vital medications

Research found that millions of adults with peripheral artery disease are not taking cholesterol-lowering and blood pressure-lowering medications, despite having a significantly increased risk of heart attacks and strokes. Taking two or more of these medications was associated with a 65% lower rate of death from all causes.

Exercise training program improves outcomes in 'Grinch Syndrome' patients

Researchers found that exercise training significantly improved physical function scores and social function scores in patients with Postural Orthostatic Tachycardia Syndrome (POTS). The study also showed that the exercise program restored upright blood circulation, improved kidney function, and dramatically improved quality of life fo...

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.

Analysis of studies evaluates tonsillectomy techniques

A meta-analysis of studies found that new tonsillectomy techniques, including vessel sealing systems and Harmonic Scalpel, show promise in reducing pain, bleeding, and recovery time compared to traditional methods. However, the optimal technique with lowest morbidity rates remains unclear.

Energy drinks linked to substance use in musicians, study shows

Frequent energy drink consumption is linked to binge drinking and misuse of prescription drugs among musicians. The study found that 94% of surveyed musicians used caffeine, and those who consumed energy drinks reported significantly more substance use issues than non-users.

Apple iPhone 17 Pro

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

Probing the secrets of the ryegrasses

Scientists from LMU Munich have developed a concise and efficient method for synthesizing the alkaloid loline and related compounds. The new approach enables the production of these compounds in sufficient quantities to investigate their various aspects, including their interactions with insects and bacteria.

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.

Need a nap? Find yourself a hammock

Research finds that gently rocking hammocks facilitate faster sleep onset and boost stage N2 sleep duration. The study also discovers a lasting impact on brain activity, increasing slow oscillations and bursts of activity known as sleep spindles.

Husband's employment status threatens marriage, but wife's does not, study finds

A new study suggests that a woman's employment status does not affect the likelihood of her husband initiating divorce. However, for men, being unemployed significantly increases their chance of leaving the marriage, even if they are relatively happy. This asymmetric change in traditional gender roles implies that societal norms view a...

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.

Inducing labor is not associated with higher rates of cesarean sections

A new study published in Acta Obstetricia et Gynecologica Scandinavica reveals that inducing labor around term does not associate with higher rates of cesarean sections. The research analyzed data from the Danish Birth Registry and found no increased risk for cesarean section among induced women compared to those who waited longer.

Picower: 1 skull + 2 brains = 4 objects in mind

A study by MIT neuroscientists found that humans have two independent capacities for working memory, rather than one general capacity of four objects. This discovery resolves a long-standing debate in the field and has significant implications for designing more effective cognitive therapy, brain games, and visual displays.

Poorly coordinated care doubled risk of drug and medical errors in 7 countries

An international study of 11,910 patients from 7 countries found that poorly coordinated care and cost-related barriers significantly increased the risk of medication and medical errors. Poorly co-ordinated care was associated with a 110% to 200% increase in errors, while cost-related barriers increased the risk by 50% to 160%.

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.

News source may steer perceived solution to childhood obesity

A study by Johns Hopkins Bloomberg School of Public Health found that news sources shape perceptions of childhood obesity solutions. Television news focuses on individual behavior change, while newspapers emphasize system-level changes like food industry practices and school policies.

Did climate change cause Greenland's ancient Viking community to collapse?

Research suggests that the AD 1350 collapse of the Greenland Norse was caused by harsh climate conditions, making farming and cattle production difficult. The team's study used a marine sediment record to reconstruct climate change over the last 1500 years, highlighting the regional complexity of climate patterns in the study area.

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.

Discovery of parathyroid glow promises to reduce endocrine surgery risk

Researchers at Vanderbilt University discovered that parathyroid glands emit a unique fluorescent signature in the near-infrared region, which can be used to identify them during endocrine surgery. This innovation has the potential to reduce the risk of damage to these tiny organs and their life-long effects on patients' health.

Wayne State University researchers win grant from the NSF to target tinnitus

Researchers at Wayne State University have been awarded a $330,000 NSF grant to develop a 3-D neural probe that can suppress tinnitus by electrically and chemically stimulating neurons. The probe will enable the integration of micro-channels for neurotransmitter-based chemical stimulation and local drug delivery.

Fat substitutes linked to weight gain

A study published by the American Psychological Association found that rats on high-fat diets gained more weight after eating low-calorie potato chips made with fat substitutes. The study suggests that relying on fat substitutes for weight loss may not be effective and could even lead to weight gain.

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.

Unexpected function of dyslexia gene

Scientists at Karolinska Institutet discovered that a gene linked to dyslexia, DCDC2, regulates cilia signaling in brain neurons. This finding presents a possible new neurobiological mechanism for dyslexia and highlights the importance of cilia in cell migration and development.

Informal daycare may harm kids' cognitive development, study finds

A recent study published in the Journal of Labor Economics found that informal daycare can significantly reduce a child's test scores by up to 2.6 percent per year compared to staying with their mother. In contrast, formal preschool programs or licensed daycare centers have little to no negative effect on cognitive development.

Study compares 2 types of botulinum toxin for cosmetic use

A randomized, double-blind study compared the efficacy of botulinum toxin type A (onabotulinumtoxinA) and B (abobotulinumtoxinA) in reducing crow's feet wrinkles. AbobotulinumtoxinA was found to produce a greater effect when participants contracted their muscles, but no significant difference was seen at rest. The study suggests that a...

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.

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.

50-year search for calcium channel ends

Researchers at Harvard Medical School have identified the linchpin protein MICU1, which drives mitochondria's calcium uptake. The discovery could lead to a better understanding of diseases such as neurodegenerative disorders and diabetes.

Heart disease beats breast cancer as the biggest killer

Research published in BioMed Central's Breast Cancer Research journal found that two-thirds of women with breast cancer died from other causes, with cardiovascular disease being the leading cause of death. Women over 50 with co-existing health conditions were most likely to die from non-cancer related causes.

Climate change disasters could be predicted

Researchers at the University of Exeter have developed a system to anticipate high-risk climate tipping points, providing early warning systems for devastating consequences. By analyzing observational data, scientists can identify signs of instability in climate systems, allowing for forewarning and adaptation.

Arctic snow harbors deadly assassin

A new study reveals that prolonged heavy snowfall in the Arctic can trigger rapid growth of killer fungi, devastating plant life and disrupting local food chains. This unexpected finding highlights unforeseen climate change effects on vegetation and ecosystems.

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.

New genes for risk and progression of rare brain disease identified

Researchers have identified three new genes associated with the risk of progressive supranuclear palsy (PSP), a rare neurodegenerative disease. The study found that genetic variations in EIF2AK3, STX6, and MOBP contribute to PSP risk, while also shedding light on the underlying cause of the disease.

Fathers find financial crisis hits family life

A study by Cardiff University found that men are anxious about money and take financial risks to ensure their children don't miss out. The economic downturn has led to a step backwards in shared parenting, with some men working longer hours or away from home.

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.

A genetic factor is linked to long-term success of leg bypass surgery

A genetic biomarker has been identified that can predict the likelihood of successful restoration of blood flow after leg bypass surgery. Patients who inherit a specific DNA variation are 2.5 times more likely to maintain adequate blood flow through their surgically repaired blood vessels.

Poor 'gut sense' of numbers contributes to persistent math difficulties

A study reveals that a poor intuitive sense of numbers can lead to math learning disabilities and difficulty achieving basic math proficiency. Children with math learning disability perform significantly worse on number tasks compared to their peers, highlighting the complexity of determining the underlying causes of math difficulties.

Tapeworm drug inhibits colon cancer metastasis

Scientists have discovered that niclosamide, a drug previously used to treat tapeworm infections, can silence a gene that triggers colon cancer metastasis. In mouse studies, the compound inhibited the formation of metastases in colon cancer cells.

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.

System 92E looking more like a developing east Pacific tropical storm

System 92E is a low-pressure area in the Eastern Pacific Ocean that has gained organization and is expected to strengthen into a tropical storm. Favorable environmental conditions, including warm sea surface temperatures and light vertical wind shear, are contributing to its development.

World Health Organization releases latest Dengue Bulletin

The World Health Organization's latest Dengue Bulletin documents the substantial growth of dengue cases in the Americas, Africa, and Asia. The report reveals alarming increases in dengue deaths, with Brazil experiencing a 6.2% rise per year from 1999-2009.

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.

Not just another brick in the (plant cell) wall

Researchers identified three groups of genes required for extensin production, crucial for root hair growth and nutrient uptake. The study sheds light on the assembly of plant cell wall components regulating growth, with potential applications for sustainable agriculture and forestry.