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Science News Archive May 2021


Page 37 of 47

Some meat eaters disgusted by meat

A new study published in Appetite found that nearly 7% of meat eaters experience a strong disgust response to images of meat dishes, which could be leveraged to encourage reduced meat consumption. Researchers suggest harnessing this 'yuk factor' may be more effective than relying on willpower.

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.

What consumers mean when they say your products are authentic

A study published in the Journal of Marketing explains how consumers assess a product's authenticity, identifying six key judgments: accuracy, connectedness, integrity, legitimacy, originality, and proficiency. By understanding these factors, marketers can develop strategies to enhance consumer perceptions of authenticity.

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.

Why hotter clocks are more accurate

A new experiment has found that the accuracy of a clock is directly proportional to the amount of heat supplied, with more energy consumed resulting in more accurate timekeeping. This discovery has implications for future technologies and suggests that clocks are constrained by thermodynamics.

New study explores functionality in aquatic ecosystems

Researchers at the University of Bayreuth have discovered the crucial importance of redox-active substances in aquatic ecosystems. They are able to degrade pollutants and influence large-scale reactions, making them a crux between hydrological fluctuations and ecosystem functions.

Discovery of huge Raman scattering at atomic point contact

Researchers develop a new technique to investigate surface structures of semiconductors at the atomic scale. The technique, called atomic point contact Raman spectroscopy, reveals enhanced Raman scattering from silicon surfaces when a plasmonic silver tip is brought into contact with the surface.

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.

Can federated learning save the world?

Federated learning, a new approach to training AI models, is found to have a significantly greener impact than traditional methods. By distributing training across multiple devices, the energy consumption and CO2 emissions are reduced. This method has important privacy benefits as well, keeping data local and secure.

Learning on the fly

Researchers at the University of Sussex developed a new computational model that demonstrates a link between insect and mammalian learning. The model shows how dopamine neurons in a fruit fly's brain produce similar signals to those in mammals, enabling reliable instruction for learning.

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.

Mapping the past, present and future of West Virginia

Assistant Professor Aaron Maxwell uses big data analytics and deep learning to map West Virginia's surface over the last 60 years. The research aims to understand natural landscapes and predict future changes such as landslides and river erosion.

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.

New antibody rationally designed for better tumor inhibition

Researchers rationally designed a new monoclonal antibody HA98 with improved affinity for CD146, a key adhesion molecule in angiogenesis and cancer metastasis. The study revealed superior inhibitory effects on tumor growth compared to the original AA98 antibody.

The legume family tree

A comprehensive study of the legume family reveals a history of whole-genome duplications and helps uncover the evolution of genes involved in nitrogen fixation. The research team identified strong evidence for 28 separate whole-genome duplication events, shedding light on the evolutionary spread and diversification of legumes.

Skoltech scientists find a way to make pultrusion faster

Researchers found that processing additives significantly impact the speed of polymerization in pultrusion, enabling faster production and improved efficiency. The study's findings have potential applications for enhancing profitability while maintaining quality in composite structures.

18.5 million year old vine fossil identified as new species

A 18.5 million year old vine fossil was identified as a new species, providing evidence of the evolution of climbing plants. The fossil's unique features, including two sizes of water-conducting vessels and lobed cross-sections, are characteristic of lianas in the soapberry family.

Apple iPhone 17 Pro

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

With bacteria against coral bleaching

A new study has found that probiotic bacteria can help corals resist heat stress, potentially protecting these vital ecosystems from extinction. By modifying the coral's microbiome, scientists have shown improved resistance to bleaching in experiments.

New research sets stage for development of salmonella vaccine

University of Florida researchers have demonstrated a novel approach to triggering immunity against salmonella, using extracellular vesicles (EVs) that contain antigens from the bacteria. In mice, these EVs induced both innate and adaptive immune responses, offering a promising direction for developing a vaccine.

Sleep disorders tally $94.9 billion in health care costs each year

According to a new study by Mass Eye and Ear, sleep disorders are associated with significantly higher health care utilization rates, resulting in an estimated $94.9 billion in annual costs. Patients with conditions like sleep apnea account for 60% more healthcare expenses, with nearly double the number of doctor visits and prescriptions.

Stop the genetic presses!

Researchers at Penn State discovered a new mechanism for terminating transcription of DNA into RNA in bacteria, facilitated by proteins NusG and NusA. The study found that these proteins together facilitate termination at about 88% of intrinsic terminators, expanding our understanding of gene regulation and potential antibiotic targets.

Universities to study the impact of gaming on mental health

The University of Chichester is leading a study on the mental health of professional esports players to address the lack of understanding about factors influencing their well-being. The project aims to provide valuable insights to help gamers cope with intense gameplay demands.

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.

Breaching the blood-brain barrier to deliver precious payloads

A team of researchers has developed a delivery system for RNA-based therapy in brain tumors using ultrasound and nanoparticles. The technique allows for increased tumor cell death and reduced harmful protein production, with potential for minimal side effects.

Consumption of pornography is widespread among young Internet users

A survey of 1000 British adolescents found that nearly four-fifths have encountered pornographic content online, with many visiting dedicated sites frequently. The study suggests pressure should be placed on global publishers to introduce effective age restrictions across social media platforms.

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.

The role of the gut microbiota in inflammatory skin diseases

Research suggests that an imbalance in gut microbiota, or dysbiosis, may play a significant role in the progression of Hidradenitis Suppurativa. The study found reduced abundance of certain bacteria in HS patients, leading to an inflammatory response.

Overcoming tab overload

A team of Carnegie Mellon University researchers has developed a new extension called Skeema, which helps users group their browser tabs into tasks and organize, prioritize, and switch between them. This tool addresses the issue of tab overload and improves online productivity by merging tab management and task management in a browser.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Breakthrough thanks to helices made of nickel

Physicists at FAU have confirmed the long-predicted chiral Faraday effect in an experiment using nickel helices. This breakthrough provides a new piece of fundamental magneto-optical theory and has implications for astrophysics and quantum electronics.

New innovation successfully treats neonatal hypothermia

The Dream Warmer, a low-cost, reusable non-electric infant warmer, reduces neonatal hypothermia rates by 11% and infant death rates by 70% in a new study. The warmer is effective, safe, and easy to use, making it a promising solution for optimizing the health of vulnerable infants in resource-limited settings.

How we retrieve our knowledge about the world

The study found that the brain processes individual features of an object, such as sounds and actions, and also abstract symbol-like features. The researchers developed a hierarchical model to reflect how conceptual knowledge is represented in the human brain.

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.

How bullying and obesity can affect girls' and boys' mental health

A study by Uppsala University found that bullying is a greater risk factor than overweight for developing depressive symptoms in both girls and boys. However, boys' mental health is more affected if they suffer from obesity, with a five-fold higher risk of having depressive symptoms in 2015 compared to normal-weight boys.

Novel matrix-based slow-release urea improves crop production

A novel matrix-based slow-release urea was developed to improve nitrogen use efficiency in rice production, reducing nitrogen loss and increasing soil nitrogen availability. The new fertilizer showed significant agronomic nitrogen efficiency gains and improved rice yields.

UTMB scientists awarded $11.3 million for new studies on Ebola virus

Researchers at UTMB will investigate Ebola infections in human cell culture and nonhuman primates, with the goal of developing new insights into prevention and treatment. The $11.3M grant will also support the development of sophisticated models using 'big data' to predict infection outcomes.

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.

Winning gene combination takes all

Scientists have successfully identified the complete avenacin biosynthetic pathway in oats, which provides resistance to soil-borne diseases like take-all. This discovery has implications for creating disease-resistant lines of wheat using modern technologies.

Archaeologists pinpoint population for the Greater Angkor region

A new study using airborne lidar sensing and machine-learning algorithms estimates that the Greater Angkor region was home to 700,000-900,000 people. The findings provide valuable insights into the region's population dynamics and its relevance to understanding urbanization in the face of climate change.

New study examines social network's relation to binge drinking among adults

A new study by Indiana University researcher Hank Green found that cohesive neighborhoods where people get along and help each other have a lower likelihood of binge drinking. In contrast, disordered neighborhoods with less social cohesion tend to increase binge drinking, especially among those with denser social networks.

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.

How viruses and bacteria can reach drinking water wells

A study by researchers in Berlin and Milan found that floods can increase bacteria concentrations in groundwater due to reduced purification capacity of bank filtration. The research highlights the importance of considering seasonal dynamics and sediment properties in risk assessment practices.

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.

Study helps to better understand the link between indoor and outdoor air quality

A recent study by the Institute of Atmospheric Physics found that indoor aerosol species are primarily from outdoor air exchange. The researchers measured indoor PM2.5 concentrations and chemical compositions, revealing differences in organic aerosol due to temperature changes. Improved ventilation strategies may actually increase expo...