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Science News Archive 2019


Page 97 of 486

SNAP provides a model for ensuring a right to food

The Supplemental Nutrition Assistance Program (SNAP) addresses the right to food by providing targeted assistance to low-income households and expanding automatically in response to changes in need. SNAP achieves a right to food through its entitlement program, access to food nationwide, and respect for participants' dignity and autonomy.

Discovery raises hopes of preventing streptococci infections

Researchers at the University of Dundee have discovered an enzyme that could prevent Group A Streptococcus infections by inhibiting a carbohydrate coating on the bacterium's surface. The discovery offers new opportunities for developing antimicrobial drugs with minimal off-target effects.

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.

Mars once had salt lakes similar to Earth

A team of scientists, including Texas A&M University researcher Marion Nachon, found that Mars' Gale Crater lake underwent drying episodes, potentially linked to the planet's global drying. The study reveals signs of liquid water and salt ponds similar to those on Earth, particularly in South America's Altiplano region.

Wind turbine design and placement can mitigate negative effect on birds

A new study found a negative effect of three birds lost for every turbine within 400 meters of a bird habitat, but also suggests ways to minimize the impact through wind turbine design and placement. The researchers estimate that about 150,000 birds are affected by wind turbines in the U.S. every year.

Strathclyde quantum technology partnership secures £4.6 million

A University of Strathclyde-led partnership with M Squared aims to develop advanced computing technology for significant advancements in UK's quantum capabilities. The project will work with fintech and aerospace businesses to deliver breakthroughs in banking security, traffic management and aerospace security.

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.

Genes linked to sex ratio and male fertility in mice

Researchers identified genes that influence the balance between male and female offspring in mice, affecting male fertility. The study found that removing specific gene families led to skewed sex ratios and male infertility, providing a potential model for understanding sperm production.

Energy flow in the nano range

Researchers at the University of Würzburg have developed two new spectroscopic methods to study energy transport on the nanoscale. By deciphering the behavior of double-walled nanotubes, they aim to improve artificial light-harvesting antennas and photovoltaics.

Croissant making inspires renewable energy solution

The study uses a unique processing technique to create a polymer film capacitor with record-high energy density, promising a step change in the field of dielectric capacitors. This innovation could enable efficient and low-cost electric energy storage systems for intermittent renewable energy sources.

Limiting mealtimes may increase your motivation for exercise

Research suggests that restricting food intake can increase motivation to exercise in mice, potentially leading to weight loss and reduced complications like diabetes and heart disease. This could be achieved through better diet control, such as limiting mealtimes or fasting intermittently.

Apple iPhone 17 Pro

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

A compound effective to chemotherapy-resistant cancer cells identified

A compound has been identified as effective in killing chemotherapy-resistant glioblastoma-initiating cells (GICs), a major challenge in treating this devastating cancer. The research also showed that the compound is non-toxic to normal cells, raising hopes for developing drugs with low toxicity.

Young adults with PTSD may have a higher risk of stroke in middle age

Researchers found that young adults with PTSD were twice as likely to experience a TIA and 62% more likely to have a stroke compared to those without PTSD. The study highlights the importance of early recognition and treatment of mental health conditions like PTSD in reducing the risk of stroke.

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.

Wistar awarded $12.5M grant for improved melanoma targeted therapies

Researchers at Wistar Institute have received a major grant to further research on new melanoma targeted therapies integrating the role of the tumor microenvironment. The team aims to identify novel targets and potential inhibitors to disrupt therapy resistance in older melanoma patients.

How roots grow hair

A team of researchers has identified a key regulator of root hair growth in plants, revealing a new mechanism for controlling this process. The discovery, made using 'smoke detectors' from fire-following seeds, shows promise for improving crop yields and drought resistance.

Museums put ancient DNA to work for wildlife

Scientists are using ancient DNA from museum specimens to study the evolution and stresses faced by endangered species. Researchers have analyzed DNA samples from animals such as woodrats, crayfish, and songbirds to understand their genetic diversity and relationships.

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.

How aerosols affect our climate

Researchers used a massive NASA dataset to develop a framework explaining the sensitivity of local temperatures to aerosols. The study found that the longwave effect of aerosols is more significant than previously thought, contributing to a smaller terrestrial diurnal temperature range.

Newly discovered microbes band together, 'flip out'

Researchers have discovered a new species of choanoflagellates that can act together to change shape and swim. The microbes use light-sensing proteins to coordinate their movements, suggesting this ability pre-dates the first animals.

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.

Assigning workers to new networks boosts sustainability

Researchers at Michigan State University found that positioning employees in different units enables them to learn from innovative colleagues and adopt new skills. This approach promotes organizational learning for sustainability without the need for top-down hierarchy or extensive training.

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.

BARseq builds a better brain map

The researchers used BARseq to map the connections of 3,579 neurons in the auditory cortex of the mouse brain. This technology enables scientists to pinpoint the location of a neuron and determine its pattern of gene expression and physiological activity.

Modern Melanesians harbor beneficial DNA from archaic hominins

A recent study reveals that modern Melanesians have inherited beneficial genetic variants from archaic Neanderthal and Denisovan hominins. These genes are associated with positive selection in the Melanesian genomes, particularly at chromosomes 16p11.2 and 8p21.3, suggesting an adaptive role in environmental adaptation.

A simpler way to make some medicines

Chemists at Ohio State University have discovered a new way to synthesize the most common molecule arrangement in medicine, which could make it easier and more efficient for drug makers to produce medicines. This breakthrough could lead to a reduction in waste and an improvement in the production process.

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.

Ants fight plant diseases

Aarhus University researchers have found that ants inhibit at least 14 different plant diseases through the secretion of antibiotics and pheromones. The discovery has sparked hope for new biological control agents in agriculture, which could be used to combat resistant plant diseases.

Celestron NexStar 8SE Computerized Telescope

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

A higher resolution image of human lung development

Researchers at Children's Hospital Los Angeles identified molecular markers that distinguish between airway and vascular smooth muscle cells. This breakthrough enables separate studies of lung disorders like COPD and asthma in premature infants.

UTA investigating best ways to protect coastal communities from rising sea levels

Researchers are investigating strategies to mitigate coastal flooding in Santa Monica Bay and Humboldt Bay using natural and nature-based features, as well as artificial structures. The study aims to understand the effectiveness of these approaches in controlling local flood hazards and improving quality of life for nearby communities.

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.

HARP eclipses CLIP in continuous, rapid and large-scale SLA 3D printing

Researchers have developed a new approach to rapid and large-scale stereolithographic 3D printing, called HARP, which surpasses the capabilities of existing methods like CLIP. The method uses a flowing layer of fluorinated oil as a heat exchanger, allowing for faster rates and wider resin compatibility.

Dementia and eating disorders: it is a problem of (semantic) memory

A recent study reveals that semantic memory deficits are involved in specific eating disorders in patients with dementia. The research found a correlation between the severity of these eating disorders and reduced performance on semantic memory tests, suggesting that these behaviors depend on the integrity of semantic memory. This brea...

Always on beat: ultrashort flashes of light under optical control

Researchers from the University of Bayreuth and Göttingen have discovered a way to control ultrashort laser pulses, enabling precise material analyses and medical procedures. The new technique involves manipulating soliton pairs in laser pulses, allowing for efficient adjustment of pulse intervals.

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.

Parasite paralysis: A new way to fight schistosomiasis?

A research team has isolated a potent compound that paralyzes parasitic worms causing devastating health problems. The discovery could lead to new ways to fight schistosomiasis, a disease with no alternative treatment besides praziquantel.

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.

Mathematical modelling vital to tackling disease outbreaks

A new study by researchers at the University of Waterloo highlights the importance of mathematical modelling in tackling disease outbreaks. The study concludes that combining data from multiple medical and public health sources can provide more informative insights for public health planners, enabling effective intervention strategies.

Photosynthesis olympics: can the best wheat varieties be even better?

Researchers conducted a 'Photosynthesis Olympics' study to identify the most efficient wheat varieties, finding that top performers were up to 90% better than worst ones due to genetic differences. The results have significant implications for breeders and farmers, offering potential for improved yields with reduced inputs.

Figuring out Alzheimer's

Researchers at the IPC PAS have discovered how beta-amyloid molecules interact with cell membranes, revealing that small oligomers destroy the membrane and large ones aggregate to form fibrils. Their research may lead to new treatments by modifying amyloid interaction with membranes.

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.

Training social workers in fight against opioids

The University of Texas at Arlington will train more addiction recovery specialists with a new $1.3 million grant from the U.S. Health Resources and Services Administration. The project aims to provide evidence-based practices for working with opioid users through hands-on training.

Scientists unwind mystery behind DNA replication

Researchers found that intrinsic mechanical properties of chromatin determine how fibers entwine during DNA replication, preventing tangles and ensuring proper segregation. The study highlights the importance of physical principles in biological processes and provides new insights into chromatin behavior.

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.