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Science News Archive January 2015


Page 17 of 28

Estimating the best time of year for malaria interventions in Africa

Researchers estimate best times for mass drug treatment and house spraying to combat malaria, finding optimal seasons to target mass drug administration during the low season and house spraying just before the high season. The study's findings can help optimize combination of existing interventions and inform novel control measures.

Apple iPhone 17 Pro

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

Study supports new explanation of gender gaps in academia

A new study suggests that women are underrepresented in academic fields that prioritize brilliance, rather than intellectual ability. Researchers found that a strong emphasis on brilliance among practitioners is the best predictor of women's underrepresentation in these fields.

Extra-short nanowires best for brain

Researchers found that nanowires shorter than 2 micrometres cause no harm to the brain tissue, while longer ones lead to inflammation and neurotoxic effects. The study suggests developing electrodes with smaller and more flexible nanowire coatings for safer neural implants.

Inventors choose to reveal their secret sauce before patent approval

A new study of nearly 2 million patents in the US found that most inventors choose to disclose information about their patents before approval, contrary to previous economic research. The disclosure correlates with more valuable patents, and small inventors also opt for disclosure, challenging initial concerns about secrecy.

Celestron NexStar 8SE Computerized Telescope

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

Facebook sharing can boost involvement with news and information

Researchers found that users who share news on social media sites, especially those who engage with friends, are more involved with the content. Users who ask questions or seek opinions from friends show increased involvement, suggesting that developers should encourage discussions about shared content.

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.

Eczema woes not just skin deep

Adults with eczema are more likely to experience health problems such as diabetes, high blood pressure, and insomnia due to the emotional toll of the disease. Physicians need to address these lifestyle risks alongside skin treatments.

Could our brain instruct our bodies to burn more fat?

Researchers discovered the brain's role in regulating body fat by combining hormones leptin and insulin, which stimulate the conversion of white fat to brown fat through the nervous system. This process normally maintains body weight but goes awry in diet-induced obesity.

Tumor suppressor protein plays key role in maintaining immune balance

Research from St. Jude Children's Research Hospital reveals that PTEN tumor suppressor protein is essential for proper regulatory T cell function, helping to prevent autoimmune diseases. The study identified a crucial role of PTEN in controlling Tfh cells and autoantibody production, offering new focus for improving treatment.

Nearly half the systems crucial to stability of planet compromised

A team of researchers warns that human activity has crossed four planetary boundaries, putting food production and clean water at risk. The nitrogen-phosphorus cycle, essential for life, is particularly compromised due to limited phosphorus supplies and excessive fertilizer use.

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.

Going with the flow

Scientists at OIST created models to investigate mixtures of self-motile and passive agents, finding that only a low fraction of self-motile agents are needed to achieve desired flow patterns. This research has promising applications in microfluidic processes such as water purification and self-powered drug delivery systems.

Lower mortality rates among Asian and Hispanic lupus patients

A new study reveals that Asian and Hispanic patients with systemic lupus erythematosus have lower mortality rates compared to Black, White, or Native American patients. The risk for death among White patients is much lower than in Black and Native American SLE patients.

Is lower stress the secret to finding empathy?

A study published in Current Biology found that stress hormones block empathy, while a game of Rock Band increased emotional contagion of pain in both mice and human strangers. Researchers discovered that biochemical changes related to stress prevented emotional contagion in animals.

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.

Good things come to those who wait?

A study published in Current Biology found a causal link between serotonin neuron activation and patient behavior in mice, contradicting the notion that increased serotonin leads to reward. Researchers used optogenetics to activate serotonin neurons, observing longer waiting durations in mice with stronger activation.

Yak dung burning pollutes indoor air of Tibetan households

A new study finds that traditional yak dung burning in Tibetan households releases high levels of fine particulate matter, including black carbon. The pollution poses a significant health risk to the local population, who spend most of their time indoors during the cold season.

Gold nanoparticles show promise for early detection of heart attacks

Researchers at NYU Polytechnic School of Engineering have developed a new colloidal gold test strip that demonstrates high detection sensitivity for cardiac troponin I (cTn-I) detection. The new strip uses microplasma-generated gold nanoparticles, attracting more antibodies and resulting in significantly higher detection sensitivity.

NASA's GPM satellite sees Tropical Storm mekkhala organizing

The NASA GPM satellite captured detailed rainfall data of Tropical Storm Mekkhala on January 14, revealing intense convective storms near its center. The storm strengthened into a tropical storm over the western quadrant, with moderate vertical wind shear.

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.

Breakthrough lights up metamaterials

A City College of New York led-team successfully demonstrated enhancing light emission and capturing light from metamaterials with light emitting nanocrystals. The breakthrough could lead to practical applications in ultrafast LEDs, nanoscale lasers, and efficient single photon sources.

People conform to the norm -- even if the norm is a computer

Researchers explored how role-playing video games influence social behavior and decision-making. It was found that people conform to computers' decisions, even in ambiguous cases, due to a tendency towards information conformity and striving for accuracy.

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.

Better data needed to make good immigration policy

Researchers rely on imputation methods to estimate immigrant populations' legal status and insurance coverage, but these methods may deliver inaccurate results. Inaccurate estimates can lead to planning and implementation of policies with unintended consequences for local groups.

Helicopter parenting better for pets than for kids

A new study from UC Berkeley found that neurotic and anxious attachment are positively correlated with better pet care, suggesting that the qualities of 'helicopter parenting' may be beneficial for pets. This is a surprising finding, as it contradicts the traditional approach to raising independent children.

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.

New non-destructive device measures root growth in smaller plants

A new non-destructive device called the mini-Horhizotron measures plant root growth in greenhouse production, allowing for effective study of treatment and substrate effects. The device provides valuable insight into root growth and development, enabling researchers to investigate factors influencing root growth in container production.

Long duration weightlessness in space induces a blood shift

Researchers found a higher blood volume shift from the lower to upper body due to weightlessness, with lower blood pressure than anticipated. Blood pressure decreased by 10 mmHg, similar to high blood pressure medication, during long-duration spaceflight.

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.

Temporary tattoo offers needle-free way to monitor glucose levels

A temporary tattoo has been developed to extract and measure glucose levels in the fluid between skin cells, offering a promising step forward in noninvasive glucose testing. The device, which uses a flexible sensor, can detect glucose spikes after meals with high accuracy.

Endocrine Society announces 2015 Laureate Award winners

The Endocrine Society has selected 14 accomplished endocrinologists as winners of the organization's prestigious Laureate Awards. The award recipients include renowned researchers and clinicians recognized for their groundbreaking contributions to the field of endocrinology.

Jaw mechanics of a shell-crushing Jurassic fish revealed

A University of Bristol undergraduate has uncovered the feeding habits of an ancient fish, Dapedium, which was well-adapted to crush shells. The study reveals that Dapedium's jaws moved slowly but strongly to work on hard-shelled prey, similar to modern sea breams.

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.

Rainfall can release aerosols, study finds

Researchers at MIT found that raindrops can release aerosols when hitting porous surfaces, trapping tiny air bubbles and bursting them out into the air. This mechanism may explain petrichor, the smell released after a light rain, and potentially spread soil-based diseases.

DNA 'glue' could someday be used to build tissues, organs

Researchers have created DNA-coated nanoparticles that can hold together 3D-printed materials, forming gel-like substances suitable for human cell growth. This breakthrough could lead to the development of scaffolds for growing tissues and organs.

Patients with advanced colon cancer having less surgery, better survival

Patients with advanced stage IV colorectal cancer are having fewer surgeries, but still showing improved survival rates due to the advent of more effective chemotherapeutic options and biologic treatments. The median survival rate for these patients has increased from 8.6% in 1988 to 17.8% in 2009.

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.

Designing effective health messages

A new study published in Nutrition Reviews finds that the type of health messaging is more effective depending on the target audience. For those highly involved in the field, negative loss-framed messages are most effective, while positive gain-framed messages resonate with the general public.

Combat veterans' brains reveal hidden damage from IED blasts

A study by Johns Hopkins pathologists identified a unique pattern of injuries in the brains of combat veterans who survived IED blasts and later died. The honeycomb pattern of damaged nerve fibers is distinct from other types of brain injury, suggesting a possible signature of 'shell shock' or blast neurotrauma.

Researchers discover new 'trick' steroids use to suppress inflammation

Glucocorticoids suppress inflammation by targeting nuclear factor-κB and upregulating IRAK-M, a key negative regulator of inflammatory pathways. The discovery provides new insights into the mechanism of glucocorticoid action and could lead to the development of new therapeutic strategies for controlling overactive inflammation.

Stargazers begin hunt for planets

The University of Warwick's Next Generation Transit Survey (NGTS) aims to detect small planets from Neptune size down to twice the size of Earth. Researchers hope to study the atmospheres and composition of these super-Earths, which are thought to be common around other stars.

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.

A twist on planetary origins

Researchers at MIT and Purdue University have found that meteorites are not building blocks of planets, but rather byproducts of a violent planetary process. Computer simulations show that large moon-sized bodies likely existed before chondrules formed, which were then created by collisions of these bodies.

New contaminants found in oil and gas wastewater

Duke University scientists have discovered high levels of ammonium and iodide in oil and gas wastewater, exceeding EPA water-quality thresholds. These contaminants can harm aquatic life and promote toxic byproducts in drinking water when mixed with chlorine.

Scientists developing imaging test for autism spectrum disorder

Researchers at Virginia Tech Carilion Research Institute have developed a brain-imaging technique that can detect autism spectrum disorder in children. The test, which involves measuring perspective-tracking responses, has shown promising diagnostic potential and may revolutionize the way autism is diagnosed.

Meta Quest 3 512GB

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

Dehydration common among patients admitted to hospital from care homes

A study published by the Journal of the Royal Society of Medicine found that 12% of patients admitted from care homes had high sodium levels, compared to 1% from their own homes. Dehydration is a significant concern for elderly and infirm people who may require assistance with drinking.