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Science News Archive 2017


Page 47 of 461

Dementia study sheds light on how damage spreads through brain

A recent study has shed light on the causes of Dementia with Lewy Bodies (DLB) by revealing how toxic alpha-synuclein clumps disrupt vital parts of neurons and spread through brain connections. The research, led by the University of Edinburgh, used advanced technology to visualize synapses in DLB brains.

Simplified method allows CGM users to leverage trend arrow data

Experts developed a streamlined approach to using Dexcom G5 Mobile Continuous Glucose Monitor (CGM) trend arrow data. The new tool helps individuals with diabetes adjust insulin doses more accurately, reducing dangerous fluctuations and long-term complications.

Spin current from heat: New material increases efficiency

Physicists at Bielefeld University discovered a new material that can generate magnetic signals, known as 'spin currents', from heat, increasing efficiency. The researchers tested various combinations of thin films and found that materials with special electronic structures produced stronger spin currents.

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.

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.

Breast milk found to protect against food allergy

A new study from Boston Children's Hospital suggests that eating allergenic foods during pregnancy can protect children from food allergies when breastfed. The research found that antibodies in breast milk transferred to offspring helped induce food tolerance, and the findings support recent guidelines rejecting advice to avoid highly ...

Zika-related nerve damage caused by immune response to the virus

A Yale study finds that Zika infection triggers immune cells to attack neurons, causing paralysis and death in mice models lacking antiviral response. Suppressing the immune response might be an approach to treating Guillain-Barré syndrome, a condition affecting some people infected with Zika.

MRI uncovers brain abnormalities in people with depression and anxiety

A recent study using MRI has uncovered a common pattern of structural abnormalities in the brains of people with depression and social anxiety. The research found that both conditions share similar clinical symptoms, suggesting they may have similar brain mechanisms. Cortical thickening in certain regions was observed in patients with ...

Apple iPhone 17 Pro

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

Antarctic landscape insights keep ice loss forecasts on the radar

Researchers have obtained detailed maps of Pine Island Glacier, the fastest melting glacier in Antarctica, using radar surveys and snowmobiles. The findings show a surprisingly diverse landscape under the ice, with mountains and deep scour marks that will influence the flow and behavior of the ice.

A physician explores her own experience with postpartum depression

Postpartum depression affects women differently than anticipated, with factors including societal expectations and stigma surrounding mental illness. Dr. Frankhouser's autoethnographic study aims to raise awareness and promote understanding, encouraging physicians to provide compassionate care and support.

How alkali flies adapt to Mono Lake

Researchers discovered that alkali flies have developed a dense hair layer to reduce water loss in the highly alkaline environment. The flies' cuticular hydrocarbons also play a crucial role in protecting them from dehydration.

'Unparalleled access' in surface science

The NSF grant will enable Lehigh to acquire an E-XPS instrument, giving researchers unparalleled access to surface elemental composition and chemical state information. This capability will overcome limitations of traditional XPS instrumentation, advancing the fundamental science and design of advanced functional materials.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

'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 ...

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.