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Science News Archive March 2019


Page 37 of 43

Sensory tests suggest 'liking' wines made with native grapes a learned response

Researchers found that non-expert consumers in Pennsylvania were more tolerant of methyl anthranilate, a compound causing the 'grapey' odor, due to frequent exposure to grape flavors. In contrast, wine experts in California rejected wines with high levels of methyl anthranilate. The study supports the idea that liking native grapes may...

1 + 1 does not equal 2 for graphene-like 2D materials

Researchers discovered that graphene-like materials stack together in a way that changes their properties, creating novel hybrid materials. The twist angle controls the hybridization, enabling precise control over composite materials and nano-devices.

CAMH study reveals a new target for developing treatments for depression

Researchers at CAMH have discovered a new target for developing treatments for depression by finding higher levels of the brain protein MAO-B in people with clinical depression. The study found that individuals with depression had 26% higher MAO-B levels in their prefrontal cortex compared to those without depression.

Apple iPhone 17 Pro

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

High-intensity interval training helps trim belly fat in cardiac rehab

A study found that high-intensity interval training (HIIT) was more effective than moderate exercise in losing body fat and trimming waistlines among cardiac rehabilitation patients. After 12 weeks, HIIT participants lost 4 pounds of body fat, gained 1.5 pounds of lean muscle mass, and trimmed an inch off their waists.

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.

AI study of risk factors in type 1 diabetes

A recent AI study identified high long-term blood sugar levels, kidney dysfunction, and excess bad cholesterol as the strongest predictors of cardiovascular disease and death in type 1 diabetes patients. The study also found that keeping these risk factors under control can lead to lower risks of cardiovascular events.

Transcription factor network gets to heart of wood formation

Researchers at NC State University have identified a complex transcriptional regulatory network that regulates wood formation in woody plants. The study reveals novel interactions between key transcription factors and genes, providing insights into the regulation of lignin biosynthesis and its relation to disease resistance.

Meta Quest 3 512GB

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

People track when talkers say 'uh' to predict what comes next

In a study published in Journal of Memory and Language, researchers found that people actively track the occurrence of 'uh' in spoken communication to predict upcoming low-frequency words. Participants adjusted their predictions when listening to atypical talkers, suggesting distributional learning of disfluency cues.

Hurricane Maria had a significant impact on HIV care outcomes

A study found that Hurricane Maria led to a significant increase in viral load and decrease in CD4 counts among people living with HIV. Access to care was also reduced by over 22 percent, with those not virally suppressed before the hurricane having fewer medication adherence and more hospital visits.

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.

Migrating snowline plays outsized role in setting pace of Greenland ice melt

Researchers at Brown University found that the movement of Greenland's snowline plays a crucial role in controlling the rate of ice melt. The study showed that changes in snowline elevation explained more than half of the annual radiation variability on the ice sheet, highlighting its importance in determining melting rates.

Low-carb diet tied to common heart rhythm disorder

A large study of nearly 14,000 people found that low-carb diets are significantly more likely to develop atrial fibrillation, a type of arrhythmia that can lead to stroke and heart failure. Researchers suggest using caution when restricting carbohydrates for weight loss due to potential inflammation and oxidative stress.

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.

Opioid use associated with dramatic rise in dangerous heart infection

Hospital admissions for drug-related infective endocarditis increased by 436% at a medical center in the US, with heroin implicated in most cases. Patients who inject drugs are at risk of developing this condition due to contaminated needles introducing bacteria into their bloodstream.

Engineered microbe may be key to producing plastic from plants

Researchers at University of Wisconsin-Madison develop engineered microbe that can efficiently convert lignin from woody plants into a valuable aromatic compound. This conversion potential transforms the use of wood waste and unlocks a new industry for producing bioplastics.

Breast milk as drug-delivery device

Scientists are working on modifying human breast milk cells to produce specific proteins, such as vaccines, for premature babies. These engineered cells could potentially address birth defects, provide necessary proteins, or even treat certain diseases.

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.

Breast cancer patients weigh in on addressing financial burdens

US breast cancer patients experience significant economic burdens due to treatment side effects like lymphedema. Patients advocate for policy changes and institutional adaptations to address these challenges. Recommendations include improved insurance coverage, expanded support services, and enhanced financial assistance.

Elegant interplay of coloration strategies is discovered in squid's smart skin

Researchers from Northeastern University and the Marine Biological Laboratory discovered that squid chromatophores use both pigmentary and structural coloration to create dynamic effects. This breakthrough opens up new opportunities for biologists and chemists to better understand cephalopod biology and develop wearable devices or coat...

Disrupting wolf movement may be more effective at protecting caribou

A new study reveals that disrupting the ability of wolves to travel on linear developments, such as pipelines and roads, can reduce their access to caribou habitat. This strategy is more effective and less invasive than traditional methods like wolf culling or building fenced enclosures.

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.

More than just memories: a new role for the hippocampus during learning

Researchers found that the hippocampus uniquely represents bound features, such as faces and houses combined, which is essential for forming complex associations during learning. The study's findings have important implications for understanding how the brain's memory systems contribute to learning and decision-making.

Resistance training may help prevent type 2 diabetes

A randomized controlled trial found that resistance training and aerobic training plus resistance training significantly reduced the incidence of type 2 diabetes. The study showed that these exercise programs can be as effective as isolated aerobic training in preventing overt type 2 diabetes.

Researchers get $1 million grant to improve medical data security

The UMass Lowell team will explore new ways of sharing data across different organizations compliant with HIPAA, enabling efficient collaboration among patients, researchers, and practitioners. The project aims to develop a secure cyberinfrastructure that can handle sensitive data, including homeland security and counterterrorism.

Long-term use of hormone therapy linked to increased Alzheimer's risk

A recent study published in The BMJ found that long-term use of oral hormone therapy is associated with a small increased risk of Alzheimer's disease in postmenopausal women. Women who used hormone therapy for over 10 years had an increased risk, especially those diagnosed at age 60 or older.

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.

Remote blood pressure monitoring via smartphone app shows promise

A pilot study found that remote blood pressure monitoring via smartphone app, accompanied by education and health coaching, can significantly improve blood pressure control. Participants who had the highest blood pressure at baseline showed the most reductions in both systolic and diastolic pressure.

Binding with consequences

Researchers discovered a mechanism by which bacteria like Burkholderia ambifaria activate white blood cells and attack the immune system. The study found that lectin BambL binds to carbohydrate residues on the surface of B cells, triggering an immune response in immunocompromised hosts.

Can entangled qubits be used to probe black holes?

Researchers demonstrated scrambling of information in a quantum computer, simulating the behavior of matter inside a black hole. They showed that entangled qubits could potentially be used to probe the mysterious interiors of black holes.

Eating healthy on a limited budget is possible

A new study published in the Journal of Nutrition Education and Behavior found that serving healthy meals to a family of four can be done for $25 per day, consistent with the USDA low-income cost of food meal plan. The study used menu planning and access to bulk supermarkets to achieve this cost.

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.

Houston, we're here to help the farmers

The ECOSTRESS mission aims to provide critical data for irrigation, enabling farmers to optimize water usage and reduce drought vulnerability. By measuring surface temperature, scientists can calculate evapotranspiration and identify which plants are using water most efficiently.

Scientists find method to boost CRISPR efficiency

Researchers at UT Southwestern Medical Center discovered that adjusting CRISPR dosages can significantly improve dystrophin production in edited genes. The optimal ratio of components changed based on the DNA sequence being edited, paving the way for optimized gene therapies for other diseases.

Bone fractures increasing as seniors walk dogs to stay active

Fracture injuries linked to dog walking have more than doubled in patients 65 and older between 2004 and 2017, with hip and upper extremity breaks being the most common. Researchers emphasize the importance of considering risks for falls in lifestyle recommendations to minimize such injuries.

Want a healthy heart? Turn off the TV and eat a good breakfast

A study published by the American College of Cardiology found that people who spent less time watching TV and regularly ate an energy-rich breakfast showed significantly less plaque and stiffness in their arteries. Eating a high-energy breakfast was also associated with healthier arteries, while skipping breakfast increased the risk of...

Celestron NexStar 8SE Computerized Telescope

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

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.

Weather-responsive intersections could ease traffic congestion

Researchers at the University of Waterloo found that adjusting traffic light timing in response to weather conditions can significantly reduce intersection delays. By analyzing video data and running computer simulations, they determined that weather-responsive signal plans could ease congestion and improve safety during snowstorms.

Study shows success of measles vaccine campaigns in India

A mass measles vaccination campaign in India saved an estimated 41,000 to 56,000 children's lives between 2010 and 2013, according to a study published in eLife. The campaigns significantly reduced child mortality rates in the affected districts, with mortality rates falling by 27% compared to non-campaign states.

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.

US-East Asia predoctoral program expands with $1.2 million grant

The USC Dornsife Korean Studies Institute has launched a new predoctoral exchange program to support young scholars working on US-East Asia relations. The initiative aims to enhance understanding of the security environment in East Asia and promote policy issues.

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.