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Science News Archive February 2011


Page 5 of 25

Bacteria living on old-growth trees

Researchers discover that bacteria associated with mosses on tree branches are essential for nutrient dynamics, enabling the long-term productivity of coastal temperate rainforests. The study highlights the importance of preserving large old-growth trees to maintain these forests' health.

Gaze following abilities in wolves

Researchers found that hand-raised wolves can follow a gaze around an obstacle, indicating a more cognitively advanced task than previously observed. The wolves' ability to detour an obstacle suggests that gaze following is not exclusive to primates and corvids.

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.

Steroids to treat asthma: How safe are they?

A new study from the University of Montreal found that a short burst of oral steroids may temporarily depress the immune system in children with asthma, leading to reduced antibody production. However, this effect is considered transient and rare, occurring only when exposed to new antigens during an asthma attack.

Apple iPhone 17 Pro

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

Stop and go

Researchers describe the mechanism of blockade and reactivation in molecular detail, revealing TFIIS's role in facilitating mRNA excision. This process is essential for cell survival and regulates gene activity in stem and tumor cells.

Producing clean water in an emergency

McGill researchers develop a cheap, portable paper-based filter to produce clean drinking water in emergency situations. The filter, coated with silver nanoparticles, is able to kill nearly all bacteria and produce water that meets EPA standards.

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.

All about addiction

A recent special issue of Neuron examines the complexities of addiction research, highlighting genetic vulnerability, neuronal transmission, and behavioral treatments. The study reveals profound changes in behavior and suggests that therapeutic strategies should focus on reversing cognitive deficits.

68 percent of New England and Mid-Atlantic beaches eroding

A USGS report found that 68 percent of beaches in the region are eroding at an average rate of 1.6 feet per year. The study used historical data to assess coastal change over 150 years and provides valuable information for managing the impacts of sea-level rise.

Are we more -- or less -- moral than we think?

A study by Rimma Teper and colleagues found that people's predicted moral actions don't always align with their actual behavior. The researchers discovered that emotions play a crucial role in driving moral decisions, particularly when individuals are contemplating their actions rather than facing the consequences of those actions.

Meditation beats dance for harmonizing body and mind

Researchers at UC Berkeley found that practitioners of Vipassana or mindfulness meditation have a stronger mind-body connection than professional ballet and modern dancers. This discovery sheds new light on the mystery of the mind-body connection, which has been linked to various medical and psychiatric diseases.

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.

Making solar panels with cleaner, greener technology

Solar panel manufacturers are transitioning towards more environmentally friendly manufacturing processes to replace toxic materials with eco-friendly alternatives. The goal is to ensure that photovoltaics not only produce renewable energy but are also renewably produced.

Stanford study shows how metaphors shape the debate about crime fighting

A Stanford study reveals how metaphors influence attitudes towards crime, finding that 'beast' and 'virus' framings lead to different proposed solutions. The researchers found that people are more likely to support increased policing if crime is described as a 'beast', while social reform approaches are favored when crime is seen as a ...

Celestron NexStar 8SE Computerized Telescope

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

Wellcome Image Awards 2011

The Wellcome Image Awards 2011 highlight the diversity of images available through the Wellcome Library's image repository. The winners use various techniques to capture the wonder of medicine and the life sciences.

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.

Metallic molecules to nanotubes: Spread out!

A Rice University lab has created a technique to disperse single-walled carbon nanotubes in water using ruthenium complexes, keeping their unique properties intact. The new approach allows for the simultaneous addition of functionalities, advancing applications in imaging sensors, catalysis, and solar-activated hydrogen fuel cells.

New 'thunder-thighs' dinosaur discovered

Scientists have discovered a new sauropod dinosaur, Brontomerus mcintoshi, with enormous thigh muscles and unique hip structure, suggesting it may have used its kick as defense against predators. The discovery challenges the previous idea that sauropods began to disappear in the Early Cretaceous period.

NASA's Chandra finds superfluid in neutron star's core

Researchers have found direct evidence of a superfluid state at the core of a neutron star using NASA's Chandra X-ray Observatory data. This discovery has important implications for understanding nuclear interactions in matter at high densities.

Microbes help children to breathe easily

Children living on farms are significantly less likely to develop asthma than others due to exposure to a greater variety of microorganisms. The physiological mechanisms underlying this effect remain unclear, but researchers have identified several species that may be responsible for the reduction in asthma risk.

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.

Scientists create illusion of having 3 arms

A team of scientists at Karolinska Institutet has successfully created an illusion of having three arms by using a realistic prosthetic arm. Healthy volunteers were tested and found to experience a third arm as part of their body image, even when it was threatened with harm.

Virus-mimicking nanoparticles can stimulate long lasting immunity

Scientists at Emory Vaccine Center developed nanoparticles that mimic viruses to induce lifelong immunity in mice. The particles, made of biodegradable polymers, activate two different parts of the innate immune system and can be used with material from various bacteria or viruses.

Gas rich galaxies confirm prediction of modified gravity theory

Recent analysis by University of Maryland astronomer Stacy McGaugh confirms MOND's prediction for gas-rich galaxies, performing better than dark matter models. This finding raises new questions about the accuracy of the reigning cosmological model and the nature of gravity on small scales.

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.

Use of nitrates may increase bone strength

A study found that nitroglycerin ointment increased bone mineral density and decreased bone resorption in postmenopausal women. The researchers also observed increases in bone-specific alkaline phosphatase and decreases in urine N-telopeptide, markers of bone formation and resorption.

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.

Struggling to follow doctor's orders

A Northwestern University study found that over one-third of paid caregivers struggled with reading and understanding health-related information, while 60% made errors when sorting medications. The study aims to develop standardized tests to evaluate caregiver skills and improve senior care.

Blood test may find markers of bladder cancer risk

A blood test can accurately detect biomolecular markers of bladder cancer risk linked to environmental exposures like cigarette smoke and industrial pollutants. The test measures methylation patterns in immune system cells, which are associated with an increased likelihood of disease.

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.

New free, hands-on tool supports sustainable living choices

A new free web-based tool calculates an individual's nitrogen footprint, measuring its impact on the environment and providing recommendations for reducing it. The tool aims to raise awareness about the nitrogen dilemma and encourage people to take action to mitigate its effects.

Patients with COPD have higher risk of shingles

A study published in CMAJ found patients with COPD are at a greater risk of developing shingles compared to the general population. The risk is highest for those taking oral steroids to treat COPD.

Fluke 87V Industrial Digital Multimeter

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

The blind also have a Stripe of Gennari

Researchers found that the Stripe of Gennari develops in blind individuals from birth and remains intact, suggesting a role in processing tactile stimuli. This could contribute to improved Braille reading abilities and enhanced sense of touch.

High-quality care associated with lower cost in trauma

A study published in the Annals of Surgery found that high-quality trauma hospitals have significantly lower death rates and spending compared to average-quality hospitals. The research suggests that achieving better quality may be less expensive in the long run, with fewer patient complications translating into cost savings.

Study: For a better workday, smile like you mean it

A study by Michigan State University found that employees who fake smile for customer interactions worsen their mood and withdraw from work. In contrast, those who cultivate positive thoughts improve their mood and withdraw less. The study also showed gender differences, with women being more affected by fake smiling.

Study to examine Ohio education innovations

Researchers study Ohio STEM Learning Network's implementation, spread, and sustainability to understand how networks produce gains and apply innovative approaches to education. The study aims to identify effective components of networking needed to establish STEM schools and explore how these innovations are translated locally.

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.

Are we more -- or less -- moral than we think?

A study found that participants acted more morally than they predicted, with emotion playing a central role in moral behavior. The researchers suggest that people misjudge their emotional responses when considering moral dilemmas, leading to unexpected actions.

Higher volume reduces false positives in screening mammography

A recent study found that radiologists who interpret a high volume of mammograms are better at detecting non-malignant lesions, resulting in lower false-positive rates. However, the number of cancers detected did not increase with volume, suggesting that a balance between screening and diagnostic mammogram interpretation is key.

Research uncovers a secret society connecting through the Internet

A secret online society is found to promote the pro-anorexia movement, using social networks to encourage self-loathing and thinness obsession. The study highlights the dangers of anonymity on the internet, allowing extreme views to be exchanged and potentially dangerous behaviors to co-construct.

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.