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Science News Archive 2019


Page 101 of 486

New catalyst would boost biomass conversion to fuels, chemicals

Researchers have discovered a new catalyst using bulk cerium oxide that can efficiently remove oxygen from biomass, enabling more economical conversion to fuels and chemicals. The discovery could reduce energy use and carbon emissions associated with fossil fuel production.

In Baltimore, lower income neighborhoods have bigger mosquitoes

A study by the Cary Institute of Ecosystem Studies found that mosquitoes in lower-income neighborhoods have larger bodies, which can transmit diseases more efficiently. The researchers measured wing length and habitat features to understand how socioeconomic conditions influence mosquito-borne disease risk.

X marks the spot: recombination in structurally distinct chromosomes

Researchers discovered that different mechanisms govern chromosome interaction with the synaptonemal complex, particularly for sex chromosomes like X. The findings highlight the importance of structural features over primary amino acid sequences and suggest a chromosome-specific aspect to human meiotic defects.

Apple iPhone 17 Pro

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

Research networks can help BRICS countries combat invasive species

A recent study suggests that BRICS countries can curb the spread of invasive species by forming networks of researchers dedicated to invasion science. The study proposes a 'facilitated' network model that would allow for rapid responses to emerging alien species and substantial increases in capacity to tackle existing invasions.

NIH scientists develop test for uncommon brain diseases

Scientists have linked abnormal tau in the brain to at least 25 neurodegenerative diseases, but current diagnosis requires analyzing brain tissue after death. The new test uses cerebrospinal fluid to detect abnormal tau, offering hope for diagnosing less common neurological diseases like Alzheimer's.

Are we underestimating the benefits of investing in renewable energy?

A new study reveals that using average emissions intensities can lead to errors in estimating the benefits of interventions, potentially compromising their implementation. By analyzing electricity from PJM, researchers found that ignoring marginal emissions can underestimate damages avoided by 50%. The study highlights the importance o...

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.

Tiny particles lead to brighter clouds in the tropics

A new study found that tiny particles formed in the tropics can brighten lower-level clouds, which may impact global cooling predictions. The research used measurements from a massive airborne study to understand how these particles form and contribute to cloud properties.

Toxoplasmosis: Preventing mother-to-child transmission

Researchers aim to prevent congenital toxoplasmosis by studying the molecular mechanisms of transmission and placenta development. The team will investigate how Toxoplasma gondii infection affects fetal development and explore potential treatments.

The moon determines when migratory birds head south

Researchers found that European nightjars begin their autumn migration 10 days after the full moon and synchronize their flight to depart at the same time. The study reveals that moonlight affects the birds' activity patterns, enabling them to hunt more efficiently and replenish energy reserves.

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.

Family members' emotional attachment limits family firm growth

Research by Lancaster University finds that family-related considerations often trump a desire to grow among firms with multiple generations of the same family in senior roles. Non-active family members as major shareholders and non-family members on boards encourage growth, while active family members are more conservative and risk-av...

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.

Premature death from cardiovascular disease

Between 2000 and 2015, the number of US deaths from cardiovascular disease among people aged 25 to 64 rose substantially. This trend is attributed to increased rates of heart disease and stroke.

Cascades of gas around young star indicate early stages of planet formation

A team of astronomers discovered three areas in the disk of a young star where gas is cascading into gaps, indicating the presence of forming planets. The study confirms a theory about how planets acquire their atmospheres, suggesting that warmer gas from the outer layers of the disk forms the atmosphere of the planet.

How partisan hate leads people to believe falsehoods

A study by Ohio State University found that partisan media use is linked to stronger negative feelings and false beliefs about political opponents. Researchers surveyed Americans using various news outlets during the 2012 and 2016 presidential elections, discovering a correlation between increased hostility and belief in misperceptions.

3D-printed coral could help endangered reefs

Researchers at the University of Delaware found that 3D-printed coral models do not harm fish behavior or coral survival. Fish showed no preference between native coral and artificial habitats, making biodegradable materials like cornstarch a promising alternative to plastic.

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.

Virtual walking system for re-experiencing the journey of another person

A Japanese research team developed a virtual walking system that records a person's walk and replays it to another user, creating an illusion of walking. The system uses pre-recorded oscillating optic flow and synchronous foot vibrations to induce sensations of self-motion, walking, leg action, and telepresence.

Sociodemographic factors associated with passing surgery board exams

A study examining sociodemographic factors associated with passing American Board of Surgery board exams found that women and family-salaried physicians were more likely to pass. General surgeons who identified as Asian or Native Hawaiian/Pacific Islander also had higher board exam passing rates.

Human medicines affect fish behavior

Research reveals that human medicines influencing serotonin and dopamine systems alter the boldness and explorative behaviour of three-spined sticklebacks, highlighting potential consequences for aquatic ecosystems. The study confirms the role of these signal substances in individual personality differences and stress resilience.

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.

Do we trust artificial intelligence agents to mediate conflict? Not entirely

A new study examines the effectiveness of artificial intelligence in mediating conflict among team members. Researchers found that while humans initially engaged with a virtual agent during mission planning, their engagement decreased as conflicts arose, suggesting a limit to trust in AI-mediated conflict resolution.

Newly identified compounds could help give fire ants their sting

Researchers have identified 10 previously hidden pyridine alkaloids in fire ant venom, which could help explain the severity of bites and potential health complications. These compounds are found in different species of fire ants and even within individual ant castes.

Warmer nights prompt forest birds to lay eggs earlier in spring

A study by the University of Edinburgh found that warmer springs cause blue tits to begin breeding earlier, with chicks hatching after peak caterpillar numbers. This suggests that night-time temperatures and tree leafing cues influence bird reproductive timing.

UC Riverside helps secure the future of food

The Plants-3D program will provide academic and entrepreneurial training to 50 students, equipping them with cutting-edge technologies to increase crop yields and nutritional value. The synthetic biology approach will enable plants to tolerate increased stress levels, reducing the need for fertilizer.

Pilot study shows even short-term 'vaping' causes inflammation in non-smokers

Researchers at Ohio State University Wexner Medical Center report a measurable increase in inflammation after four weeks of e-cig use without nicotine or flavors. The study suggests that even short-term usage can result in inflammatory changes at a cellular level, a concern as vaping usage is rapidly outpacing scientific understanding.

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.

Study reveals how age affects perception of white LED light

Researchers found that age-dependent effects on color perception can lead to different perceptions of white LED lighting. Designs that consider these differences can improve the aesthetic appeal of LED lighting. The study suggests using modern colorimetry to minimize inter-user discrepancies in LED emitters.

Assembler robots make large structures from little pieces

Researchers have developed a new kind of robotics that can assemble large structures from identical subunits using simple robotic systems. The system works by having the robot work together with the structure, adjusting its position as it adds each piece, allowing for efficient and precise assembly.

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.

Failure of mitochondrial quality control causes heart disease

Researchers at Penn Medicine discovered that ANT is crucial for mitophagy, a quality control process removing damaged mitochondria, and found that mutations leading to defective quality control cause heart disease. The study reveals ANT's two distinct roles: producing ATP and regulating mitophagy.

Oxygen in hyperbaric chamber provides relief after radiotherapy

A study shows that hyperbaric oxygen therapy can relieve self-reported symptoms and side-effects of radiotherapy in cancer patients, including bleeding, urinary incontinence, and pain. The treatment, administered for 30-40 sessions, was found to be highly effective for the majority of patients.

Recovering 'lost dimensions' of images and video

MIT researchers create a visual deprojection model that recovers valuable data lost from images and video by learning patterns in low-dimensional projections. The model has successfully recreated video frames showing people walking and recovered motion-blurred images, with potential applications in medical imaging.

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.

Pioneering cell therapies for non-responders to current immunotherapies

A new approach to identifying killer T lymphocytes in patients with gastrointestinal tumors has been developed, which can hone in on unique mutations expressed in cancer cells. This breakthrough could lead to the development of personalized and effective cell therapies for patients who do not respond to current immunotherapies.

New human reference genome resources help capture global genetic diversity

Scientists have assembled a set of genetic sequences to improve the human reference genome, which better reflects global genetic diversity and provides more accurate interpretations of whole-genome sequencing data. The new resource benefits researchers studying diverse human populations and future sequencing studies.

Distribution of highly radioactive microparticles in Fukushima revealed

Scientists have created a quantitative map of radioactive cesium-rich microparticle distribution in Fukushima soils, shedding light on their origin and environmental impact. The study suggests three regions of particular interest, with varying levels of microparticle abundance and radioactivity.

Fluke 87V Industrial Digital Multimeter

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

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 father's diet could affect the long-term heart health of his offspring

A new study has found that a father's low-protein diet can affect the quality of his sperm and impact the long-term cardiovascular health of his offspring. The study used mouse models to show that a poor-quality diet altered genetic information carried in sperm, changing blood vessel formation in developing fetuses.

Investigating the full spectrum of suicide

A recent study published in Injury Prevention described a method for categorizing self-injury mortality, allowing closer examination of national trends in suicide and drug-related deaths. The study found that suicide is likely underreported for females due to less violent and less obvious methods.

Meta Quest 3 512GB

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

BU finds PTSD nearly doubles infection risk

A new BU School of Public Health study reveals people with PTSD are 1.8 times more likely to develop any infection compared to those without the condition. The study found distinct effects on men and women, with PTSD increasing a woman's risk of urinary tract infections, while having a greater impact on men's risk of skin infections.

Election 2019: Hope for a national pharmacare plan

A recent poll shows that almost 9 in 10 Canadians support a national pharmacare plan providing equal access to medications. Most federal parties are offering major policy proposals to introduce national pharmacare, but long-term thinking is crucial to its success.

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.

Investigating human infertility via the water flea

The University of Texas at Arlington researcher is using Daphnia, a freshwater microcrustacean, to study the genetic mechanisms of parthenogenesis and its implications for human reproductive health. The study aims to understand how environmental conditions affect the switch between sexual and asexual reproduction in these animals.