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Science News Archive August 2012


Page 1 of 29

Immune system protein could explain pancreatitis

A new study published in Gastroenterology suggests that the immune system protein NFATc3 plays a significant role in the development of acute pancreatitis. The researchers found links between NFAT and trypsinogen activation, neutrophil recruitment, and tissue damage in mice.

Breathable treatment to help prevent asthma attacks

A new treatment has been developed to help prevent asthma attacks in asthmatics by boosting their immune systems. The study found that a simple inhalation of an immune system protein molecule can significantly reduce worsening asthma symptoms and the need to use an asthma inhaler.

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.

An open platform revolutionizes biomedical-image processing

Fiji, an open-source platform, has become a de facto standard for biomedical-image processing, offering improved precision and accessibility. The platform, created by researchers, allows application sharing and plug-in development, driving collaboration and innovation.

Has osteoporosis treatment failed when a fracture occurs?

The International Osteoporosis Foundation has published new guidelines to help doctors assess treatment efficacy in patients who experience a fracture while on medication for osteoporosis. The guidelines outline a checklist of pragmatic criteria that can be used to define treatment failure and take appropriate action.

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.

Chilling methods could change meat tenderness

Researchers found no loin quality advantages from blast chilling, but a 13-fold increase in excessively tough samples. CO2 stunning resulted in better meat quality traits, including darker lean color and greater water-holding capacity.

MU celebrates $5 million partnership for advancing biomedical discoveries

The University of Missouri's Coulter Translational Partnership Program has awarded funding to five teams of physicians and engineers to improve healthcare. The program aims to turn laboratory discoveries into new products and services for patients, leveraging MU's substantial resources for biomedical innovation.

Research yields two 'firsts' regarding protein crucial to human cardiac function

Researchers have achieved two significant 'firsts' in studying the human cardiac protein alpha-tropomyosin, which controls heart contraction on every beat. By direct imaging, they found individual molecules to be roughly 40 nanometers long and demonstrated their flexibility, establishing a baseline for normal protein function.

Apple iPhone 17 Pro

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

Making Web applications more efficient

Researchers at MIT's Computer Science and Artificial Intelligence Laboratory presented a new system called Pyxis that automatically streamlines website database access patterns. This results in significant speedups of up to three times and reduced bandwidth usage. Pyxis works with languages already favored by web developers, such as Java.

Study looks at efforts to improve local food systems through policy

A nationwide survey of food policy councils reveals that many are focusing on procurement and access, but face barriers such as lack of time and funding. The study, funded by the Johns Hopkins Center for a Livable Future, highlights key findings on the role of food policy councils in improving local food systems.

Glass shape influences how quickly we drink alcohol

Researchers at University of Bristol found that participants drank more slowly from curved 'beer flute' glasses than straight-sided glass containing lager, suggesting curved glasses compromise ability to gauge liquid levels and pace drinking. This could have positive impact on reducing intoxication and excessive drinking.

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.

Genetic link to prostate cancer risk in African Americans found

A study published in Cancer Epidemiology, Biomarkers & Prevention establishes the association of IL-16 with prostate cancer in men of both African and European descent. Researchers found new polymorphisms in the gene unique to African Americans that confer risk, providing a potential biomarker for prostate cancer.

AGU journal highlights -- 31 August 2012

Scientists study Mercury's surface chemistry and geological history, finding distinctive mineral patterns dominated by magnesium and sulfur. Meanwhile, researchers in Bermuda investigate the origin of red soils, discovering that African dust may be a key factor in their formation.

Meta Quest 3 512GB

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

A millimeter-scale, wirelessly powered cardiac device

A team of engineers at Stanford University has demonstrated the feasibility of a super-small, implantable cardiac device that gets its power from radio waves transmitted from outside the body. The device is contained in a cube just eight-tenths of a millimeter in radius and can receive up to 50 microwatts of power.

Origami design methods project receives $2 million NSF grant

Researchers will develop methods to design origami structures that actively fold and unfold in response to multiple fields, guided by predictive multi-scale modeling and multi-physics simulations. The four-year project will also integrate summer student exchange programs and capstone design projects for K-12 students.

Danish scientists solve old blood mystery

Researchers at Aarhus University have solved the long-standing puzzle of haemoglobin structure using high-resolution three-dimensional mapping. This discovery provides essential information on how haptoglobin captures and neutralizes toxic haemoglobin, which can cause kidney damage in diseases like malaria.

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.

BUSM researchers study use of MRI in osteoarthritis

A study by BUSM researchers reveals that approximately 90 percent of knees with no signs of osteoarthritis using X-ray showed clear signs of osteoarthritis using MRI. The findings suggest that MRI is not a useful diagnostic test for knee pain in this age group.

Traumatic childhood may increase the risk of drug addiction

Research from the University of Cambridge suggests that a traumatic upbringing during childhood is linked to impulsive and compulsive personality traits, increasing the risk of drug dependence. The study examined 50 adults with cocaine dependence and their biological siblings, finding a direct relationship between traumatic childhoods ...

Too much protein HUWE1 causes intellectual disability

Research by VIB/KU Leuven scientists identifies HUWE1 as the culprit behind intellectual disability in some patients, a condition affecting approximately 15% of cases. The study's findings open up possibilities for detecting and treating X-linked intellectual disabilities through targeted tests and further research.

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.

Bitter tastes quickly turn milk chocolate fans sour

Researchers found that dark chocolate fans have a higher tolerance to bitter tastes than milk chocolate fans. The study used rejection thresholds to test food acceptability and could lead to cost-savings for the industry by identifying product rejection levels.

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.

Researchers measure photonic interactions at the atomic level

Duke University researchers have characterized metal's ability in devices that enhance light by measuring unique properties of light on a single atom scale. The findings provide a roadmap for precisely controlling light scattering, enabling the development of medical sensors and integrated photonic communications components.

No more sneezing, allergen-free house plants

Researchers have genetically engineered a type of house plant to be long-lived and produce flowers without pollen. The modified plants also exhibit improved growth characteristics, such as increased branching and leaf density. This breakthrough is great news for gardeners who want to enjoy their plants for longer periods.

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.

Uncoiling the cucumber's enigma

Scientists characterized a unique spring mechanism in cucumber plant tendrils, where they coil further upon pulling the ends, unlike traditional coils. The discovery led to the creation of a new type of twistless spring with high bending stiffness and twisting stiffness.

Discovery may help protect crops from stressors

Researchers have identified a key genetic mechanism in plant hormone signaling that helps plants balance between drought resistance and growth. The discovery may lead to new methods to help plants thrive in tough conditions and reduce crop losses from stress.

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.

Unexpected finding shows climate change complexities in soil

Underground organisms like arbuscular mycorrhizal fungi play a dual role in soil carbon sequestration, both storing and releasing carbon as atmospheric carbon levels rise. The study challenges assumptions about their protective effects on organic carbon.

New DNA-method tracks fish and whales in seawater

Researchers at University of Copenhagen develop a novel DNA monitoring approach that can track fish and whales in seawater, revealing local faunas. The method proves as good as or better than existing methods, with great perspectives for monitoring marine fish biodiversity and estimating fish stocks.

Study identifies prime source of ocean methane

Scientists have found that a type of ocean microbe, Nitrosopumilus maritimus, produces methylphosphonic acid, which is a key component in the production of ocean methane. This discovery helps explain the 'methane paradox' and has implications for climate change modeling.

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.

Biophysicists unravel secrets of genetic switch

Researchers discovered how nonspecific binding plays a critical role in controlling the switch between dormant and virulent states in bacteria. The study used single-molecule techniques to characterize the role of non-specific binding in facilitating the closure of a DNA loop that switches off virulence.

Stable isotopes are a universal tool

Stable isotopes are used to establish the origin of substances, track dynamic processes, and solve environmental mysteries. Researchers will discuss various applications, including water analysis, ecological systems, and global element cycles.

Information overload?

A new study by Northwestern University found that most Americans feel empowered and enthusiastic about the high volume of information available, rather than feeling overwhelmed.

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.

How gene profiling in emphysema is helping to find a cure

A study published in Genome Medicine identified genes whose activity is altered with increasing lung damage. The compound Gly-His-Lys (GHK) was found to affect the activity of these genes and restore normal gene activity, repairing cell function in human cells from lungs damaged by emphysema.

Wayne State's new flexible electronics technology may lead to new medical uses

A new flexible electronics technology developed by Wayne State University's Yong Xu has opened up possibilities for health care and medical applications of electronic devices. The technology is compatible with mainstream CMOS processes, allowing for the creation of high-performance and high-density CMOS circuits on flexible substrates.

Monogamy and the immune system

Studies on California and deer mice reveal that lifetime monogamy leads to reduced bacterial diversity and a less diverse gene pool for immunity, whereas promiscuity correlates with increased bacterial diversity and genetic variation. This suggests that social behavior influences immune system function.

Fluke 87V Industrial Digital Multimeter

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

IADR/AADR published study estimates high prevalence of periodontis in US adults

A recent study published in the Journal of Dental Research estimates that approximately 47.2% of US adults have periodontitis, with higher rates among males, Mexican Americans, and those with lower education levels. The study also found significant disparities in periodontal disease prevalence across different age groups.

Chemical exposure in the womb from household items may contribute to obesity

A study found that pregnant women exposed to high levels of common household chemicals PFCs had babies that were smaller at birth and heavier by 20 months, potentially leading to obesity later in life. The research suggests a link between prenatal exposure to PFCs and increased risk of weight gain in childhood.

Leaders' emotional cues may predict acts of terror or political aggression

Leaders' expressions of anger, contempt, and disgust in speeches may predict violent acts. Analysis found a significant increase in these emotions before aggression, while decreases were seen before nonviolent resistance. The findings suggest a leader's emotional tone can motivate their group to take part in violent actions.

A model for development

Biologists at Caltech created a computational model of gene networks that control the development of sea-urchin embryos. The model accurately reproduces experiments and allows for virtual experiments, revealing unprecedented detail about gene regulatory networks.

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.

Microbes help hyenas communicate via scent

Hyenas' scent glands harbor diverse microbial communities that produce unique chemical signatures, enabling clan recognition and social behavior. This symbiotic relationship highlights the importance of microbes in animal behavior, with future studies planned to explore their role further.