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Science News Archive August 2012


Page 6 of 29

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.

Study questions validity of quality measure for stroke care

A new study in Neurology questions the validity of a quality measure for stroke care, suggesting that patient decisions may account for up to 40% of hospital deaths within 30 days. The study found that 41% of patients could have been kept alive with continuous medical interventions, effectively reducing mortality rates by 3.2%.

Psoriasis patients at high risk of diabetes

Patients with psoriasis are at higher risk of new-onset diabetes mellitus due to chronic inflammation. The study found that the risk increases with severity of psoriasis, with patients having severe psoriasis being more than twice as likely to develop diabetes.

Apple iPhone 17 Pro

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

Renal denervation improves blood pressure and arterial stiffness

Research at ESC Congress 2012 found that renal denervation regenerates blood vessels, reducing cardiovascular events. The procedure improves central hemodynamics and arterial stiffness in patients with resistant hypertension, suggesting a potential 'fountain of youth' for blood vessels.

Vitamin B3 may offer new tool in fight against 'superbugs'

A new study suggests that nicotinamide, a form of vitamin B3, can increase the ability of immune cells to kill staph bacteria by 1,000 times. This could offer a new tool in the fight against 'superbugs' and potentially reduce dependence on antibiotics.

The PROTECT study

The PROTECT study found that zotarolimus-eluting and sirolimus-eluting stents have comparable rates of stent thrombosis at three years. The study also showed that dual antiplatelet therapy use can affect the long-term clinical relevance of stent type.

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.

How a virus might make you diabetic later in life

Cytomegalovirus (CMV) infection is a significant risk factor for type 2 diabetes in the elderly, according to new research. CMV infection can cause inflammation and damage pancreatic cells, leading to insulin resistance and increased glucose levels.

How methane becomes fish food

Researchers have discovered that methane from lakebeds is present in fish tissue through the food chain. The study uses two biomarkers to confirm the finding, increasing the certainty of its results. Methane oxidizing bacteria are consumed by zooplankton and other aquatic organisms, which eventually end up in fish stomachs.

University of Tennessee Team receives NSF support to study toxic water in China

The University of Tennessee team will combine molecular biology, ecological analysis and environmental remediation to create mathematical models of ecosystem function and provide a strategy for Chinese government officials to balance Lake Taihu's ecosystem. They will examine all contributing organisms to toxic algal blooms and develop ...

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.

Controlling superconductors with light

Scientists have discovered a way to manipulate superconducting materials using light. This breakthrough allows for the creation of ideal superconductors with continuous electrical current without losing any power. The research has potential applications in developing non-dissipated memories and improving energy efficiency.

Drug trial offers hope to patients with advanced colorectal cancer

A drug trial found that TAS-102 improved survival time, reduced risk of death, and controlled disease progression in patients with advanced, inoperable colorectal cancer. Patients treated with TAS-102 had a median overall survival of 9 months, compared to 6.6 months for the placebo group.

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.

Scientists find oldest occurrence of arthropods preserved in amber

A team of scientists has discovered the oldest record of arthropods, including insects and mites, preserved in 100 million-year-old amber. The findings, published in the Proceedings of the National Academy of Sciences, provide new insights into the evolution of life on Earth.

ASGE initiative examines real-time imaging of Barrett's esophagus

The ASGE initiative focuses on developing guidelines for real-time imaging of Barrett's esophagus, addressing the need for more accurate surveillance protocols. High-risk individuals require regular endoscopy screenings, but current methods have shortcomings due to dysplasia and cancer sampling errors.

A new look at proteins in living cells

A new method, SPR microscopy, allows for quantitative analysis of protein interactions on cell surfaces, streamlining drug development and diagnostic biomarker identification. The technique provides high-resolution spatial and temporal information, revealing dynamic processes evolving over time.

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.

The IABP-SHOCK II study

The IABP-SHOCK II trial randomized 600 patients to receive either an intraaortic balloon pump or conventional optimal medical treatment, but found no reduction in 30-day mortality rates. The study also showed that the IABP did not improve blood pressure, organ perfusion, or reduce treatment time in the intensive care unit.

Unexpected findings at multi-detector CT scans: Less reason to worry

A recent study from Rhode Island Hospital found that nearly seven percent of urologic multi-detector CT scans for hematuria resulted in clinically important incidental findings. The most common findings were lung nodules, aneurysms, and ovarian cysts, with only a small percentage requiring immediate medical attention.

Panda preferences influence trees used for scent marking

A recent study by San Diego Zoo Global researchers found that giant pandas make specific choices when selecting trees for scent marking. The choice of tree is influenced by factors such as bark roughness, presence of moss on the trunk, tree diameter, and distance to trails.

The laser beam as a '3-D painter'

Scientists at Vienna University of Technology developed a method called 3D-photografting, which allows them to attach molecules at exact positions. This technique can be used to grow artificial biological tissue with specific inner structures and create tiny three-dimensional 'labs on a chip' for sensor technology.

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.

The ASTRID study

The ASTRID study found that patients with high and very high risk benefited from transfemoral TAVI, with mortality rates of 4.7% and 7.7%, respectively. The registry also showed differences in vascular complications and residual aortic regurgitation between valve types.

Parents and readers beware of stereotypes in young adult literature

A new genre of young adult literature, 'teen sick-lit,' portrays chronically ill protagonists as vessels for others' emotional development rather than self-actualized women. The study found little empowerment in these books, instead reinforcing negative stereotypes and societal norms.

Precise and persistent cell sabotage

The researchers successfully packaged siRNA in a hydrogel complex that can be injected into target tissues, allowing for prolonged control over cell behavior. The technology has the potential to guide stem cells to grow into desired cell types, starve tumors by blocking blood vessel growth, and induce cancer cell death.

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.

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.

New imaging technique homes in on electrocatalysis of nanoparticles

A new imaging technique has been developed to measure catalytical reactions of single nanoparticles and multiple particles printed in arrays. This allows researchers to determine the relationship between efficiency and nanoparticle size, shape, and composition, enabling fast screening of different nanoparticles.

Adolescent pot use leaves lasting mental deficits

A longitudinal study of over 1,000 New Zealanders found that persistent cannabis use before age 18 led to significant declines in IQ, attention, and memory. The study suggests that adolescence is a critical period for brain development and vulnerability to substance-induced harm.

Breast milk promotes a different gut flora growth than infant formulas

Scientists at Duke University Medical Center found that breast milk fosters colonies of microbiotic flora in a newborn's intestinal tract, while infant formulas do not. This unique property of breast milk aids nutrient absorption and immune system development, suggesting potential approaches for developing substitutes.

The role of genes in political behavior

Recent studies suggest genes play a significant role in shaping political preferences and traits. Twin studies have implicated several genes in influencing political issues such as the death penalty, unemployment, and abortion, with future research holding promise for deeper insights into genetic influences on politics.

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.

Leg compressions may enhance stroke recovery

Researchers found that successive leg compressions trigger natural protective mechanisms reducing damage after a stroke. The technique, called remote ischemic perconditioning, reduced stroke size by 25.7% in animal models, doubling its efficacy when combined with tPA, the current FDA-approved stroke therapy.

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.

Athletic field paint steals spotlight from the grass it covers

A new study found that grasses coated with latex paints show a notable reduction in photosynthesis. The researchers discovered that red paint is more damaging to total canopy photosynthesis (TCP) than white paint, while diluting each color with water reduces their negative effects.

New maps may reduce tourism impacts on Hawaiian dolphins

Scientists developed a tool to identify bays with suitable habitats for resting spinner dolphins, allowing conservation efforts to focus on specific areas. The maps aim to minimize human disturbances and protect the dolphins' ability to rest, forage, and communicate effectively.

The effects of discrimination could last a lifetime

A new study finds that everyday discrimination against pregnant women of color may contribute to low birth weight babies. Women who experienced more discrimination reported higher levels of depressive symptoms, leading to babies with lower birth weights. The study suggests reducing discrimination could eliminate health disparities in b...

ASH awards Timothy J. Ley, M.D., with 2012 E. Donnall Thomas Lecture and Prize

Dr. Ley's work on whole genome sequencing in AML has provided unprecedented insights into the disease, highlighting the importance of unbiased methods for discovering cancer-initiated mutations. His research also revealed that most AML mutations are benign background events, with only a handful contributing to pathogenesis.

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.

Normal weight individuals with belly fat at highest CVD risk

Research from the European Society of Cardiology reveals that normal-weight individuals with belly fat have a higher death risk than obese individuals. The study found that those with central obesity, even at a normal weight, had the highest cardiovascular death risk and death risk from all causes.

Plants unpack winter coats when days get shorter

Research demonstrates that plants trigger their defense mechanisms against freezing temperatures with shortening daylight, unlike trees which do it with waning sunlight. This understanding gives potential tools to fine-tune regulation and increase crop productivity.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

The ORIGIN-GRACE study

The ORIGIN-GRACE study found that insulin glargine significantly reduced secondary outcomes of atherosclerosis progression, but had no effect on primary outcomes. Omega-3 fatty acid supplements also showed no significant effect on either outcome.

Nutrition tied to improved sperm DNA quality in older men

A study by Berkeley Lab scientists found that older men who consume more vitamin C, E, folate, and zinc have less sperm DNA damage. This suggests that adequate micronutrient intake can help counteract the detrimental effects of aging on sperm genome health.

Special international commission on media violence confirms aggression link

A research-based report by an international Media Violence Commission confirms that media violence exposure increases the relative risk of aggression. The commission recommends that parents know what media their children and adolescents are using and set limits on screen time to promote critical thinking and healthy consumption.

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.