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Science News Archive August 2019


Page 23 of 38

Are refugees at increased risk of developing mental disorders?

A systematic review and meta-analysis found that refugees may be at higher risk of developing nonaffective psychosis, including several types of schizophrenia, compared to natives or nonrefugee migrants in host countries. The study analyzed data from over 540,000 refugees in Denmark, Sweden, Norway, and Canada.

Fluke 87V Industrial Digital Multimeter

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

Rapid evolution: New findings on its molecular mechanisms

Researchers found a link between microRNA regulation and the rapid evolution of new species in Nicaraguan crater lakes. They analyzed five species of Midas cichlids and identified specific pairs of microRNAs and genes that interact with each other.

Sunscreens release metals and nutrients into seawater

Sunscreens release aluminum, silica, and phosphorous into seawater after UV treatment, potentially harming marine ecosystems. On a typical summer day at the beach, beachgoers could increase coastal waters' aluminum levels by 4% and titanium by almost 20%

Apple iPhone 17 Pro

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

Sticky proteins help plants know when -- and where -- to grow

Researchers at Washington University in St. Louis have discovered a mechanism by which plants regulate the hormone auxin, affecting growth and development. The sticky properties of Aux/IAA repressor proteins allow them to bind to DNA-binding domains, controlling transcription.

New study: Fracking prompts global spike in atmospheric methane

A new Cornell University study suggests that shale oil and gas production, particularly fracking, is contributing to the increase in atmospheric methane levels. The research found that methane from fracking has a distinct carbon-13 signature, indicating its origin, which was previously misattributed to biological sources.

Microplastics in Arctic snow suggest widespread air pollution

Researchers analyzed snow samples from remote areas and European cities, finding high concentrations of microplastics in Arctic snow. These tiny particles, often used in synthetic fabrics and other materials, contribute significantly to air pollution and may pose health risks, including lung cancer.

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.

Research bias may leave some primates at risk

A recent study found that more than half of the 504 primate species were left out of the research literature, with only 13% focused on chimpanzees. The study highlights the need for conservation efforts to protect endangered primate species and their habitats.

Making sense of a '7.1'

Researchers led by Abhijit Ghosh are studying the unknown fault that caused a 7.1 magnitude earthquake in Ridgecrest, California. The team aims to understand the physics behind earthquakes and develop more effective warning systems.

Rare antelopes and black cats

Researchers from the University of Würzburg captured rare footage of Abbott's duiker antelopes on Mt. Kilimanjaro, a species classified as endangered. The study found that protected areas are crucial for maintaining biodiversity in large mammal species.

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.

Automated observing network inaugurated at SOAR telescope

Astronomers can now automatically follow up on variable astronomical objects with a range of 0.4-meter to 8-meter telescopes, observing in UV light to infrared. The network uses automated software and generates dynamic observing schedules every 15 minutes.

The risk of death from yellow fever can be detected sooner

Researchers have identified markers capable of predicting mortality in patients with symptoms of yellow fever, potentially helping to prevent severe conditions. The study found that older patients, high neutrophil counts, and high viral loads at hospital admission are significantly associated with mortality.

Dementia care program improves mental health of patients, caregivers

A comprehensive dementia care program staffed by nurse practitioners significantly reduced patients' behavioral problems and depression, as well as lower the distress of caregivers. The study's findings suggest that such programs are a promising approach toward improving the psychological health of patients and caregivers.

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.

Flashlight fish use bioluminescence to school at night

The study found that less than 5% of schooling fish needed to be flashing to maintain the group in dark conditions. Flashing may serve as a predator-avoidance strategy, with some fish flashing then rapidly changing direction before flashing again.

New mapping reveals lost west coast estuary habitat

A new study reveals that approximately 85% of historical tidal wetlands in California, Oregon, and Washington have been lost. The research highlights the importance of restoring these habitats, which are critical nurseries for juvenile salmon and steelhead.

Improved sewage treatment has increased biodiversity over past 30 years

A study of long-term data from the River Ray in Wiltshire found a steady increase in freshwater invertebrate diversity and abundance since 1991, attributed to improved sewage treatment. This improvement is linked to reduced ammonia levels and increased oxygen, creating a cleaner water environment.

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.

Advanced data analysis enhances precision medicine application in clinics

A novel open-source computational framework promotes affordable and routine NIPT applications in clinics, detecting fetal trisomies and parental chromosome origin from maternal blood samples. The framework incorporates machine learning methods to estimate euploidy or trisomy for each studied chromosome.

Deadly protein duo reveals new drug targets for viral diseases

Researchers at Cornell University have discovered that combining proteins from two lethal viruses can enhance their pathogenic potential. The team found that a hybrid protein pair has greater fusion capability, which could be leveraged to stop viral-cell fusion and develop more effective vaccines.

Doubling down

A new study finds that human impacts on oceans have nearly doubled over the past decade and could increase by another 50% if left unchecked. Climate change, commercial fishing, and land-based pollution are major drivers of these changes.

Study finds link between long-term exposure to air pollution and emphysema

A new study published in the Journal of the American Medical Association found a strong link between long-term exposure to air pollution and an increased risk of emphysema in the US population. The study analyzed data from over 7,000 participants and found that consistent results were found across six metropolitan regions.

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.

Fluorescent glow may reveal hidden life in the cosmos

Astronomers propose a new method to detect hidden life on exoplanets, utilizing biofluorescence induced by stellar UV flares. This novel approach could reveal biomarkers on planets orbiting active M stars, making them ideal targets for future searches.

Coca and conflict: the factors fuelling Colombian deforestation

A University of Queensland-led study identified factors fuelling Colombian deforestation, including conflict between illegal groups and government forces, as well as proximity to coca plantations and mining concessions. The research highlights the importance of stable governance in retaining forests and reducing deforestation risk.

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.

Apples, tea and moderation -- the 3 ingredients for a long life

Researchers found that moderate flavonoid consumption was associated with a lower risk of death from cancer and heart disease. Participants consuming about 500mg of total flavonoids per day had the lowest risk of a cancer or heart disease-related death, which is easily achievable through a balanced diet.

Houston universities team up to boost minorities in academia

Rice University, Texas Southern University, and the University of Houston have won a $2.66 million NSF grant to enhance training and resources for underrepresented minorities in engineering and science disciplines. The project aims to create a more diverse workforce and address systemic barriers that impede their success.

Anti-viral immune discovery could lead to better vaccines

Walter and Eliza Hall Institute researchers have identified a molecular switch that impacts immune responses to viral infections, enabling T cells to distinguish between different viruses and controlling protective antibody production. This discovery could lead to more effective vaccines against previously hard-to-prevent viruses.

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.

Marijuana may boost risky effects of drinking alcohol

A new study from Penn State found that simultaneous alcohol and marijuana use is associated with heavier drinking, more frequent consumption, and higher levels of sensation-seeking characteristics. Individuals who used both substances simultaneously were also more likely to experience alcohol-related problems.

Cell biology: Compartments and complexity

A study published in The Plant Journal has provided new insights into the dynamics of metabolic processes in eukaryotic cells. By quantifying the subcellular distribution of proteins and metabolites, researchers have identified key regulatory mechanisms controlling plant metabolism.

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.

NASA sees wide center in Tropical Storm Krosa

NASA's Aqua satellite captured a visible image of Tropical Storm Krosa, showing a large center of circulation surrounded by fragmented bands of thunderstorms. The storm is expected to intensify to 50 knots as it approaches landfall in southwestern Japan.

Mastering a new level of success

The university will provide two-year scholarships to high-achieving, low-income students pursuing Master of Science degrees in six engineering departments. The program aims to eliminate barriers and build bridges to professional careers through industry internships and research focused on innovation and entrepreneurship.

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.

Study examines how media around the world frame climate change news

A new study from the University of Kansas shows that media coverage of climate change varies greatly by nation, with richer countries framing it as a political issue and poorer countries presenting it as an international concern. The researchers analyzed over 37,000 articles and found that a nation's gross domestic product per capita i...

Tarnished plant bug management strategies for Mid-Atlantic cotton

Researchers Sally Taylor and Seth Dorman recommend scouting, threshold-based management, and resistance management strategies to effectively manage tarnished plant bugs in Mid-Atlantic cotton. They emphasize the importance of avoiding planting nearby hosts and using certain varieties to minimize intensive management.

Increased troponin after exercise predicts risk of cardiovascular event

Researchers found a significant association between elevated post-exercise troponin levels and an increased risk of severe cardiovascular disease or death. The study suggests that exercise may serve as a stress test for the heart, allowing for early identification of susceptible individuals who require closer monitoring.

Finding a cosmic fog within shattered intergalactic pancakes

A Yale-led team of astronomers has simulated a large patch of the intergalactic medium (IGM), revealing how cold, dense gas clouds organize themselves within larger sheets or pancakes of matter. The findings suggest that these gas clouds can be pristine and metal-free, challenging previous assumptions about their formation and composit...

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.

Air pollution can accelerate lung disease as much as a pack a day of cigarettes

A new study finds that long-term exposure to all major air pollutants increases the risk of emphysema by roughly the equivalent of smoking a pack of cigarettes a day for 29 years. Ground-level ozone levels are rising due to climate change, and the US study suggests that this increase may lead to an increased risk of chronic lung disease.

Schrödinger's cat with 20 qubits

Scientists have created a new record by entangling 20 quantum bits in a 'Schrödinger's cat' state, exceeding the previous limit of 14 qubits. The team used a programmable quantum simulator to control and manipulate the qubits, demonstrating the potential for quantum technologies.

Through the kidneys to the exit

Researchers at NUST MISIS have identified a mechanism for removing magnetic nanoparticles through the kidneys, allowing for safer drug delivery. The study used a combination of techniques to track nanoparticle transport, revealing that they can be excreted directly into the renal tubule, reducing the risk of liver accumulation.

Making microbes that transform greenhouse gases

Researchers at USF have developed a biologically-based technique to transform greenhouse gases into usable chemical compounds, reducing dependence on petroleum and lowering carbon footprint. The method utilizes human enzymes to convert specific one-carbon materials into complex compounds used in various products.

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.

Poo's clues: Moose droppings indicate Isle Royale ecosystem health

Researchers analyzed moose droppings to understand their dietary choices and found that moose prefer rare plants when they are available. The study suggests that moose's selective foraging behavior has a stabilizing effect on the entire food web, with implications for ecosystem stability.

Greater blood pressure control linked to better brain health

Research published in the Journal of the American Medical Association found that intensive blood pressure control is associated with fewer white matter lesions and a slightly greater decrease in brain volume than standard blood pressure control. This could lead to lower risks of dementia and cognitive impairment.

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.

Why young men aren't eating their five-a-day

A study published in the journal Nutrients reveals that young men aged 18-24 are struggling to eat even three portions of fruit and vegetables a day. Young men with the best diets had a more positive attitude towards healthy food, enjoyed preparing and eating a wide range of fruit and veg, and had a holistic view of health and diet.