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Science News Archive November 2017


Page 15 of 42

MIT physicists design $100 handheld muon detector

Physicists at MIT have designed a pocket-sized cosmic ray muon detector that can be made with common electrical parts. The relatively simple device costs just $100 and can be used by students to measure muon rates in various environments.

Filling the gap: High-latitude volcanic eruptions also have global impact

A recent study reveals that high-latitude volcanic eruptions can transport sulfate aerosols into the tropical stratosphere, influencing both hemispheres' climates. The research found that favorable atmospheric conditions can enable such long-distance transport, making these eruptions a global concern.

Apple iPhone 17 Pro

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

'Brazil nut effect' helps explain how rivers resist erosion, Penn team finds

A recent study by Penn researchers reveals that the Brazil nut effect plays a crucial role in explaining how rivers resist erosion. The phenomenon, where larger particles tend to rise to the top of mixtures, helps create an armor-like layer on riverbeds, protecting them from excessive erosion. This finding has significant implications ...

New framework for multimorbidity care identifies changes and gaps

Researchers developed a new framework to report and design models of care for multimorbidity, highlighting changing elements such as reduced home care and increased extended appointments. The framework provides a tool for standardized reporting and research on multimorbidity interventions.

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.

Researchers pin down one source of a potent greenhouse gas

Researchers at Ohio State University found a new methane-producing microbe that survives in oxygen-rich environments, contrary to previous assumptions. The discovery suggests the amount of methane released into the atmosphere may be more than initially thought.

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.

Pre-diabetes discovery marks step towards precision medicine

Researchers have identified a three-molecule signature that accurately indicates insulin resistance, or pre-diabetes, in mice. This discovery could enable earlier detection of pre-diabetes in humans and tailor healthcare treatments to individual patients' needs.

Brain cell advance brings fresh hope for CJD therapies

Researchers have developed a new system to study Creutzfeldt-Jakob disease in the laboratory, using brain cells derived from human stem cells. The method enables scientists to infect human cells with prions and replicate the proteins in the lab, providing valuable information for potential treatments.

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.

Quantum dots amplify light with electrical pumping

Researchers at Los Alamos National Laboratory have successfully amplified light using electrically excited films of quantum dots. The team developed a novel approach to eliminate heat loss and achieve optical gain, paving the way for highly flexible, electrically pumped lasers that can complement or displace existing laser diodes.

PSU researchers design survey to tap students' motivation in STEM

Researchers at Portland State University developed a survey to tap into students' motivation in STEM classes, highlighting the importance of feelings of belonging and positive identity. The survey findings aim to provide educators with tools to address motivational factors and improve teaching strategies.

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.

Use of Prostate Health Index test reduces unnecessary biopsies

The Prostate Health Index test influences physician decisions to perform biopsies, with only 36% of men receiving biopsies when phi testing was included in the assessment compared to 60% before its availability. The study also found a reduction in low-grade prostate cancers detected.

What makes soil, soil? Researchers find hidden clues in DNA

A team of scientists analyzed data on over 1900 soils from 21 countries, discovering constant bacterial groups across different environments. These bacteria hold clues to making some soils more fertile. Informative families of bacteria indicate real differences among types of soil.

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.

Artificial photosynthesis gets big boost from new catalyst

Researchers at the University of Toronto have developed a new catalyst that increases the efficiency of artificial photosynthesis to 64%, converting electrical energy into chemical energy. This innovation addresses two major challenges in renewable energy production, capturing carbon emissions and storing energy from solar or wind power.

Cultural values can be a strong predictor of alcohol consumption

A new study found that cultural values of autonomy and harmony are positively associated with higher average levels of alcohol consumption. Countries with more traditional values, such as hierarchy and collectivism, tend to have lower average levels of alcohol consumption.

Proteins in breastmilk protect offspring against food allergy

Research published in the Journal of Experimental Medicine found that a mother's diet can protect nursing newborns against food allergies. The study, supported by Food Allergy Research & Education (FARE), suggests that mothers should feel free to eat a healthy and diverse diet throughout pregnancy and breastfeeding.

Blueprint to reduce wasteful blood transfusions

Experts recommend restrictive blood transfusion practices for stable patients with hemoglobin levels of 7 g/dL or higher, reducing mortality and blood clot risks. The study found significant reductions in blood use by 40-65% in largest randomized trials.

Thinking big by burning small

Researchers found that small fires create "grazing-lawn ecosystems" with higher food quality and increased safety for animals. The study showed that small burns (<25ha) attract large numbers of wildebeest, keeping grass short and palatable.

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.

First known interstellar visitor is an 'oddball'

The first known interstellar visitor, 'Oumuamua, is a rapidly rotating and dimly bright object similar to Kuiper Belt objects and organic-rich comets. It was discovered in October and observed using the Gemini Observatory before fading from view due to its increasing distance.

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.

Optimal gout treatment requires ongoing monitoring for urate lowering therapy

A new study found a positive association between allopurol initiation and recurring doctor visits for gout, highlighting the need for regular chronic disease reviews to evaluate patients' preferences and eligibility for treatment. The study suggests that more frequent monitoring could reduce barriers to successfully treating gout.

Why rural coal families are less likely to divorce

A study suggests that rural coal families are less likely to divorce when faced with economic downturns. The researchers found that rural counties with higher levels of coal jobs had lower divorce rates compared to similar counties with fewer coal jobs during the 1990s.

Benzodiazepines increase mortality in persons with Alzheimer's disease

A new study published in International Journal of Geriatric Psychiatry found that benzodiazepine use is associated with a 40% increased risk of death among persons with Alzheimer's disease. The study, which included over 10,380 participants, suggests that these drugs may contribute to adverse events such as falls, pneumonia, and stroke.

Added Arctic data shows global warming didn't pause

A new study published in Nature Climate Change reveals that the Arctic warmed more than six times the global average during the 'global warming hiatus' from 1998 to 2012. The research uses improved datasets and methods to estimate average global temperatures, showing that the rate of global warming continued to rise at 0.112C per decade.

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.

Can MicroRNA levels identify concussion symptom duration in children?

A recent study published in JAMA Pediatrics found that microRNA levels in the saliva of children with mild traumatic brain injury can accurately identify those with prolonged concussion symptoms. This discovery holds promise for improving concussion management and reducing parental anxiety.

Evolutionary history of Staphylococcus aureus

Researchers analyzed 224 ST8 isolates and found that the ancestor likely emerged in Central Europe during the mid-19th century. The lineage then spread globally, acquiring characteristics of USA300 and becoming widespread in North America by the early 20th century.

Family physician calls for a return to human connection

A family physician advocates for prioritizing human connection in medical practices, shifting focus from productivity to relationships. He suggests viewing the practice as a unit of care, encouraging ingenuity and problem-solving skills among employees to strengthen cultures.

State of CPR education in US high schools

High school students are an excellent target for CPR training, with over half of US states requiring some form of CPR training. Despite this, wide variability exists in instruction and only 2.4% of the US population is trained annually.

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.

Car, stroller, juice: Babies understand when words are related

Researchers found that babies as young as six months old can recognize relationships between words and objects, such as cars and strollers. This understanding of word relationships is linked to the amount of time caregivers talk about objects in their daily lives.

The strange case of the scuba-diving fly

Researchers at Caltech have characterized the adaptations of Mono Lake flies, enabling them to crawl underwater without getting wet. The flies create a protective bubble around their bodies using an extreme water-repelling phenomenon called superhydrophobicity.

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.

Diagnosing the impacts of health policy

Researchers developed a statistical technique to determine when specific outcomes changed after healthcare interventions, allowing for more accurate assessments of their effectiveness. The robust-interrupted time series model was applied to a Clinical Nurse Leader program and showed improved patient satisfaction indicators.

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.

New oral anticoagulant drugs associated with lower kidney risks

Researchers found that non-vitamin K antagonist oral anticoagulants are associated with reduced risk of adverse kidney outcomes in patients with atrial fibrillation. The study, published in the Journal of the American College of Cardiology, showed that about 1 in 4 patients taking these medications experienced significant kidney functi...

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Autoimmune disease discovery could spark new treatments

Researchers have discovered a potent drug-like compound that inhibits Toll-like receptor 8, a key player in autoimmune diseases. The compound, CU-CPT8m, exerts potent anti-inflammatory effects on tissue, offering a potential breakthrough for treating rheumatoid arthritis and other autoimmune conditions.

Overweight women may need more frequent mammograms

A new study suggests that overweight women with higher body mass index (BMI) may need shorter intervals between mammography screening exams. Women with higher BMI face an increased risk of not detecting their breast tumor until it has become large, leading to a worse prognosis.

Clinical trial suggests new cell therapy for relapsed leukemia patients

A clinical trial suggests a new form of gene therapy, targeting CD22, achieved significant remission rates in children and young adults with treatment-resistant B-cell leukemia. The therapy was well-tolerated and showed promise in patients who had previously failed anti-CD19 CAR T-cell treatment.

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.