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Science News Archive September 2011


Page 19 of 29

Primary schoolchildren can be great tutors

A trial of peer tutoring in Scotland's primary schools found that children as young as seven to eight years old can benefit from a twenty-minute weekly session. The boost to school pupils' attainment provided by peer tutoring was equivalent to about three months progress in both maths and reading.

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.

The American Society for Microbiology honors Benjamin P. Howden

Benjamin P. Howden, a leading expert in S. aureus and E. faecium research, receives the award for his groundbreaking work on antimicrobial resistance mechanisms and virulence. His research has led to new insights into vancomycin-intermediate S. aureus and reduced linezolid susceptibility.

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.

Breaching the blood-brain barrier

Researchers found that adenosine can modulate the entry of large molecules into the brain, establishing a gateway into the blood-brain barrier. They successfully transported large dextrans and antibodies into the brain using an FDA-approved drug, Lexiscan.

More evidence that spicing up broccoli boosts its cancer-fighting power

A new study from the University of Illinois found that pairing broccoli with spicy foods containing myrosinase significantly enhances its individual cancer-fighting power. This is achieved by ensuring absorption takes place in the upper digestive system, where sulforaphane can be quickly and effectively released.

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.

Gene flux can foretell survival for trauma patients, Princeton study finds

Researchers at Princeton University found that changes in gene activity consistently coincided with the worsening of a patient's condition. The study used blood samples from 168 blunt-force trauma patients and identified two sets of genes that showed massive fluctuations in expression as patients developed complications and neared death.

Alley to receive Heinz award

Richard Alley, a leading climate researcher, is recognized for his groundbreaking work on abrupt climate change. His discovery that the last Ice Age ended in just three years has debunked the myth of slow climate change and highlights the need for urgent action.

Informed consent processes need local adaptation

Researchers from KEMRI-Wellcome Trust Programme in Kenya modified informed consent processes to consider local social, cultural, and economic contexts. Locally adapted communication processes strengthened informed consent, particularly in international research.

Apple iPhone 17 Pro

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

UCLA psychologists discover a gene's link to optimism, self-esteem

Researchers identified the oxytocin receptor gene OXTR as linked to psychological resources, finding that people with specific variants have lower levels of optimism and higher depressive symptoms. The study suggests training oneself in optimism, self-esteem, and mastery can improve coping skills.

Pituitary hormone TSH found to directly influence bone growth

A new study from Mount Sinai School of Medicine reveals that thyroid-stimulating hormone (TSH) directly influences bone growth, contrary to its usual thyroid functions. The findings suggest TSH may be a novel method for addressing bone production and could lead to innovative treatments for osteoporosis.

New technique elucidates dynamics of plant cell metabolites

Researchers developed a novel technique to analyze metabolite concentrations at high spatial resolution in plant cells. The study found that metabolites are regulated and fluctuate under stress conditions, highlighting the role of the vacuole in cellular processes.

Meta Quest 3 512GB

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

Small molecule receptor detects lipid's telltale sign of cell death

Researchers developed a small molecule receptor that can detect a lipid molecule revealing cellular death, particularly in cancer cells targeted by anti-cancer drugs. The discovery could enable oncologists to determine the effectiveness of anti-cancer drugs in days rather than weeks.

New UNH data tests the exercise 'talk test'

A study by UNH exercise scientists confirms the Talk Test's effectiveness in gauging exercise intensity, but reveals it relates best to lactate threshold and not ventilatory threshold. The test involves rating comfort while speaking during exercise.

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.

Rebooting psychotherapy

Several prominent scientists respond to a call for rethinking the current approach to mental health care, highlighting innovative programs like those developed by the US Department of Veterans Affairs. The authors emphasize the need to reduce the burden of mental illness in the United States through improved treatment and accessibility.

Observations of climate change from indigenous Alaskans

Alaska Natives have reported warming temperatures, changes in vegetation patterns, and unpredictable weather conditions, affecting their traditional way of life. Thinning ice shortens winter travel seasons and hampers subsistence activities, while lower snowmelt flows strain local economies.

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.

New imaging technique evaluates nerve damage

A new imaging technique allows researchers to assess nerve damage and healing in live patients, providing a non-invasive method for diagnosing nerve injuries. The technique uses lasers to create images of individual neurons' insulating sheaths, revealing the extent of myelin loss and recovery.

Evaluating doctoral programs in African universities

A new evidence-based tool has been developed to evaluate doctoral programs in African universities, incorporating perspectives from students, staff, and policy makers. The tool aims to strengthen capacity and justify external funding inputs, benefiting universities across different countries.

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.

The American Society for Microbiology honors Zachary A. Klase

Zachary A. Klase has been awarded the ICAAC Young Investigator Award for his groundbreaking research on HIV-1 pathogenesis and RNA interference mechanisms in mammalian cells. His work focuses on understanding HIV transcription regulation, microRNA processing, and innate immune signaling.

The American Society for Microbiology honors Jörn Coers

Jörn Coers is honored by the American Society for Microbiology for his work on immune responses against intracellular pathogens. His research focuses on host-pathogen interactions and has revealed key insights into diseases caused by Chlamydia.

Evolution keeps sex determination flexible

Researchers at Michigan State University found that organisms quickly evolve ways to compensate for genetic and genomic disruptions in sex determination. The study used an experimental evolution approach to study adaptations in nematodes and showed that the mechanisms themselves are flexible and adaptable from an evolutionary viewpoint.

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.

Manipulative mothers subdue show-off sons

A team of evolutionary biologists found that when mothers control offspring sex ratios, sexual selection collapses, and males lose their elaborate courtship displays to attract females. This twist adds unexpected complexity to Darwin's theory of sexual selection, suggesting that motherly control can override the need for showy males.

'Clumps' of opportunities for cutting edge science

The University of Miami's Stable Isotope Laboratory has acquired new equipment for analyzing stable isotopes using the 'clumped isotope' technique. This method measures temperature with high accuracy, allowing researchers to study past climates and geological processes.

Fluke 87V Industrial Digital Multimeter

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

New clues to molecular understanding of autism

A transgenic mouse model exhibiting behavioral parallels with humans diagnosed with autism spectrum disorder has improved scientific understanding and may lead to diagnostic tests based on biomarkers. The research could also help design targeted interventions and treatments.

Center for Sustainable Materials Chemistry gets Phase 2 NSF grant

The center aims to accelerate the translation of basic-level discoveries into commercial markets, with a focus on developing sustainable materials chemistry. Researchers will leverage environmentally friendly approaches to synthesize and fabricate compounds, thin films, and composite materials for various applications.

Even low-dose aspirin may increase risk of GI bleeding

A study published in Clinical Gastroenterology and Hepatology found that low-dose aspirin increases the risk of gastrointestinal bleeding, particularly when combined with other medications. However, proton pump inhibitor use can reduce this risk.

Flu vaccines for nursing home workers effective in reducing outbreaks: study

A study found that flu vaccination rates among nursing home healthcare workers significantly reduced flu outbreaks, with a 87% decrease when 51-75% of staff were vaccinated. Higher resident vaccination rates surprisingly correlated with increased outbreak risk, highlighting the importance of vaccinating healthcare personnel.

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.

Astronomers find extreme weather on an alien world

A University of Toronto-led team has observed extreme brightness changes on a nearby brown dwarf, suggesting the presence of a gigantic storm. The researchers used an infrared camera to capture repeated images of the brown dwarf over several hours, revealing the largest variations in brightness ever seen.

Is smartphone technology the future of US elections?

Researchers evaluate the usability of mobile voting systems on smartphones, finding that participants with smartphone experience complete tasks more accurately. The study suggests designing mobile voting systems to accommodate inexperienced voters' mental models to increase usability and accuracy.

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.

LCC science projects receive $1.2 million through WaterSMART program

Nine LCC science projects have received $1.2 million in WaterSMART funding to support research on climate change impacts, water efficiency, and ecosystem health. These projects will inform federal, state, and local managers in Arizona, California, Colorado, Nevada, New Mexico, Texas, Utah, Wyoming, and Northern Mexico.

Parabolic mirrors concentrate sunlight to power lasers

A team of researchers has proposed a method to harness parabolic mirrors to drive solar-powered lasers, achieving an impressive 35% conversion rate. The new solar lasers would concentrate light with a small parabolic mirror, strike a ceramic disk, and emit laser light of a specific wavelength.

Hyperventilation may trigger febrile seizures in children

Researchers found respiratory alkalosis in children with febrile seizures and metabolic acidosis in pediatric patients admitted for gastroenteritis. The study suggests that applying 5% carbon dioxide to breathing air could be a possible treatment for febrile seizures.

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.

NYU, U. of Arizona to study causes behind suicide risk for LGBT youth

A three-year study will investigate the psychological factors associated with suicide among LGBT youth, including thwarted belongingness and perceived burdensomeness. The research aims to identify risk factors and develop preventive messaging and interventions to reduce suicidal behaviors.

A deep male voice helps women remember

A study by David Smith and colleagues found that women's memory is sensitive to male voice pitch, a cue important for mate choice. Women preferred low pitch male voices and remembered objects more accurately when introduced by deep male voices.

Gene linked with death after coronary bypass surgery

Researchers at Duke University Medical Center have found a genetic variant associated with lower five-year survival rates after coronary artery bypass graft. The thrombomodulin (THBD) gene was independently linked to increased long-term mortality risk following CABG procedure.

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.

SAFEPED helps cities fix dangerous intersections

SAFEPED is a computer simulation that integrates robotics and statistics on driver and pedestrian behavior to determine the environmental features leading to dangerous intersections. The model allows traffic planners to analyze and fix black spots, test and redesign junctions for optimal safety.