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Science News Archive July 2011


Page 4 of 25

Refocusing the boom in biomarker research

The search for biomarkers has made significant strides in disease diagnosis and treatment monitoring, with some tests already incorporated into everyday medicine. However, recent studies have shown that promising cancer biomarkers are no better than existing ones, highlighting the need for new approaches.

How early reptiles moved

Researchers are studying early reptiles' movement using a fast X-ray video system and comparing it with modern animals. The goal is to create animated studies of the early saurians and gain insights into their movements.

University of Nevada, Reno, scientists to shake 5-story building in Japan

Scientists at the University of Nevada, Reno conducted a series of earthquake tests on a 5-story building in Japan to demonstrate the effectiveness of seismic isolation technology. The goal is to make critical facilities safer and more resilient to extreme earthquakes, such as those that occur every 2500 years on the West Coast of the ...

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.

Who takes risks?

New research suggests that women and men perceive risks differently, with women taking more social risks and men taking more financial risks. This difference is partly due to differences in how familiar individuals are with different situations.

How the brain keeps track of what we're doing

A new cognitive neuroscientific study challenges traditional models of working memory, introducing a 'multiple-component framework' that considers different capacities operating simultaneously. This framework has practical implications for education and interventions for aging or brain damage.

Researchers aim for 'direct brain control' of prosthetic arms

A team of engineers from four US universities aims to create a prosthetic arm that can be controlled by brain signals, allowing amputees to perceive tactile sensations. The project combines noninvasive neural decoding, direct brain control, and sensory feedback to improve the user experience.

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.

Breast density tied to specific types of breast cancer

A study found that women with dense breasts are at higher risk of certain breast cancers and their tumors are more likely to be aggressive. Breast density was also linked to specific tumor characteristics, including ductal carcinoma in situ (DCIS) and estrogen receptor-negative tumors.

New invisibility cloak hides objects from human view

Researchers have developed a reflective 'carpet cloak' made of silicon oxide and silicon nitride, which conceals an object under layers and bends light waves around it. The device demonstrates the possibility of actual invisibility for the light seen by the human eye, surpassing previous infrared-based demonstrations.

Tropical Depression 11W moving past Yap and Guam

Tropical Depression 11W is currently located southwest of Andersen Air Force Base, Guam, with maximum sustained winds near 30 knots. The storm is expected to move northwestward for the next day or two before shifting in a northeasterly direction.

Brandeis lab's artificial cilia spur new thinking in nanotechnology

A team of Brandeis researchers has created artificial cilia-like structures that spontaneously organize into active bundles and beat in a periodic manner. This breakthrough offers a new approach for studying the beating patterns of real cilia, which could lead to advances in nanotechnology.

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.

CT shows changes in lungs associated with COPD flare-ups

Researchers used CT scans to identify structural changes in lungs of COPD patients linked to exacerbations. These findings suggest that distinct subgroups of patients may require targeted therapies, independent of spirometry measures.

Teacher influence persists in early grades

A new study by Michigan State University found that teacher influence persists in early grades, affecting students' reading and math scores in later grades. The research highlights the importance of identifying and hiring effective teachers in elementary school to improve student achievement.

Graphene nanocomposite a bridge to better batteries

Berkeley Lab researchers have created a graphene and tin nanoscale composite material for high-capacity energy storage. The new material, dubbed a 'sandwich' structure, bolsters battery performance and enables quick charging and repeated cycling without degradation.

Pigment discovery expanding into new colors

Researchers have discovered a range of new colors by tweaking the chemical structure of the existing blue pigment, which could lead to safer and more durable pigments. The new orange pigment is already being explored for commercial use.

Apple iPhone 17 Pro

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

Social media poised to drive disaster preparedness and response

A recent study suggests that social media tools like Facebook and Twitter can improve disaster preparedness and response by harnessing crowd-sourcing technologies and electronic communications. The authors propose several examples of social media tactics to boost disaster preparedness, including mobile apps, buddy systems, and RSS feeds.

Social acumen equals spatial skill, psychologist finds

A new study led by Johns Hopkins University psychologist Amy Shelton found that people with better social skills are more proficient in taking another person's perspective, including spatial ones. This ability is crucial for those on the autism spectrum and may be related to empathy and tolerance.

A closer look at cells

Researchers use Photo Activated Localization Microscopy (PALM) to accurately count proteins on the cell surface, gaining insight into their interactions and evolution. This technique may help develop more effective drugs by understanding how cells react to external agents.

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.

Yoga boosts stress-busting hormone, reduces pain: York U study

A York University study found that yoga significantly reduces physical and psychological symptoms of chronic pain in women with fibromyalgia. Practicing hatha yoga twice weekly for eight weeks led to elevated cortisol levels and decreased pain intensity, suggesting a positive impact on the body's stress response.

Fair play -- a question of self-image?

Astrid Matthey and Tobias Regner's study found that individuals tend to act fairly if consequences are clear, but ignore them for personal gain. The researchers suggest providing information can improve behavior, such as promoting sustainable consumer choices.

The first true view of global erosion

A new study by University of Vermont geologists provides the first broad, standardized view of pre-human erosion rates, measuring 1599 measurements from 87 sites worldwide. The study reveals that slope is a key driver of erosion, contradicting previous assumptions about rainfall's role.

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.

Social networking elephants never forget

Researchers tracked female Asian elephant friendships for five seasons in Sri Lanka's Uda Walawe National Park, finding that elephants tend to congregate in groups of three adult females. Analysis revealed a larger, stable network of friends, with those having few companions being more loyal than those with many.

Progress on research of polymer solar cells

Scientists have designed a new type of polymer solar cell that can effectively tune its band gap and energy levels by incorporating different acceptor groups. The resulting polymers exhibit promising photovoltaic properties, with high open-circuit voltages achieved despite their varying band gaps.

Meta Quest 3 512GB

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

Simple guidelines decreased unnecessary antibiotic use in Quebec, Canada

A study published in Clinical Infectious Diseases found that simple guidelines decreased unnecessary antibiotic use in Quebec, Canada. The guidelines, which emphasized proper antibiotic use and selection of shortest treatment duration, resulted in a 4.2% decrease in outpatient antibiotic prescriptions.

Vascular composites enable dynamic structural materials

Researchers at University of Illinois developed vascularized structural composites that are lightweight, strong and multifunctional. They achieved this by circulating fluids through tiny channels, creating materials that can regulate temperature, chemistry, conductivity and electromagnetism.

How the modular structure of proteins permits evolution to move forward

A comparative study of nematode species reveals that changes in a short protein domain can alter signaling networks involved in organ development. The modular structure of proteins allows for the conservation of important parts while enabling opportunities for short domains to change, facilitating evolutionary development.

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.

Does menopause matter when it comes to diabetes?

A recent study found that menopause has little to no impact on the risk of developing diabetes. Instead, lifestyle changes such as losing 7% of body weight and exercising for at least 150 minutes a week can significantly lower the risk of diabetes in postmenopausal women.

Models show Coho salmon at risk in US urbanizing watersheds

Researchers used models to estimate the impact of urban land development on Coho salmon populations, predicting a significant decline in numbers due to spawner mortality syndrome. The study suggests that toxic chemical contaminants in urban storm water runoff may be the primary cause of the recurrent fish kills.

Sea squirt cells shed light on cancer development

A research team led by Bradley Davidson discovered that specialized structures in sea squirt cells, called invadopodia, may help cancer cells evade elimination processes. In contrast to cancer cells, sea squirt cells use these structures to pick up chemical signals for development, not invasion.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Zinc lozenges may shorten common-cold duration

A meta-analysis of 13 trials found that zinc lozenges shortened the duration of common colds by an average of 32%, with higher doses showing greater reductions. Zinc lozenges were generally well-tolerated, with no significant long-term harm observed.

From bone metastases to water supply

The DFG is establishing eight new Research Units to study bone metastases, test innovative models for water research, and explore synthesis technology. The funding supports diverse research fields, including elite education and dynamic growth societies.

Study: Union decline accounts for much of the rise in wage inequality

A new study published in the American Sociological Review found that the decline of unions in America is a major contributor to rising wage inequality. Union decline accounts for approximately a fifth of the increase in hourly wage inequality among women and about a third among men, according to the study.

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.

Modeling plant metabolism to optimize oil production

Scientists developed a computational model to analyze rapeseed plant metabolism and optimize oil production. The model, published in the Plant Journal, can simulate complex metabolic processes under varying conditions, helping identify ways to maximize carbon conversion to biomass.

Worrying can impact interpersonal relationships, study finds

A recent study led by Amy Przeworski at Case Western Reserve University found that people with generalized anxiety disorder (GAD) exhibit four distinct interactive styles - intrusive, cold, nonassertive, and exploitable - which manifest their worries in different ways.

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.

Spare the rod and develop the child

A new study published in Social Development journal found that schools using corporal punishment performed worse on tasks requiring planning and self-control. Children exposed to punitive environments had lower verbal intelligence and increased behavioral problems related to executive-functioning deficits.

Returning vets' alcohol abuse addressed in virtual reality study

A pilot project assesses the feasibility of virtual reality to treat alcohol abuse in veterans, targeting those with traumatic brain injury and post-traumatic stress syndrome. The eight-week study uses augmented relapse prevention therapy sessions, where participants practice coping skills in simulated bar settings or home environments.

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.

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.