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Science News Archive March 2023


Page 32 of 44

Invasive grass in Texas uses chemical warfare to crowd out native species

Guinea grass, an invasive species in Texas, uses a combination of crowding and chemical toxins to suppress native plants. The researchers found that the toxicity of guinea grass increases dramatically when its shading effect is combined with its chemical warfare, making it harder for native plants to survive.

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.

Positive emotion drives disinformation ads on Facebook

Research by University of Florida researchers found that disinformation ads on Facebook use a clear recipe with short ad buys, familiar language, and big budgets to reach more people. The most engaging ads were full of positive feelings encouraging good emotions about one's own groups rather than bad emotions towards others.

New models accurately simulate the behavior of sea ice

Researchers have developed a new sea ice model that can analyze the size and thickness of individual ice floes and their motion in greater detail. This allows for more precise predictions about their behavior, especially in areas where climate change has led to an increase in loose sea ice.

Knots smaller than human hair make materials unusually tough

Engineers at Caltech develop new material made from interconnected microscale knots, which absorb more energy and deform more while maintaining their original shape. These knotted materials exhibit a tensile toughness that far surpasses unknotted materials, with 92% more energy absorption and twice the strain required to snap.

Meta Quest 3 512GB

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

Less threat – better performance in tests

Researchers found that those perceiving an oral exam as a challenge tend to perform better and have lower cortisol levels. Experts advise examiners to create a supportive atmosphere to reduce stress. This study highlights the importance of self-efficacy in presentation performance.

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.

Colloids get creative to pave the way for next generation photonics

Researchers at the University of Birmingham have devised a way to fabricate a complex structure, previously found only in nature, to control light in the visible range. This new approach uses self-assembled colloidal particles to create chiral photonic crystals with tailored optical properties.

The “MIDAS” platform detects protein-metabolite interactions

The MIDAS platform enables systematic discovery of elusive protein-metabolite interactions, revealing 830 new PMIs in human carbohydrate metabolism. The study identifies previously unknown regulatory mechanisms, including lactate dehydrogenase regulation by ATP, with potential therapeutic applications.

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.

Online ‘personal brands’ key to job success for Gen Z

New research reveals that Gen Z values authenticity in online personal branding strategies, using platforms like LinkedIn to project strong impressions. Study findings suggest that imperfection is beneficial for job seekers, with employers seeking unique points and cultural fit.

Americans share fake news to fit in with social circles

Research finds that both conservative and liberal Americans share fake news due to a fear of exclusion from their social groups. The study suggests that pre-bunking methods and highlighting the importance of accurate news can help reduce the spread of fake news.

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.

The giant faba bean genome decoded

The giant faba bean genome has been successfully sequenced, offering insights into its traits such as drought tolerance and protein content. This breakthrough has the potential to improve crop yields and reduce reliance on artificial fertilizers, making faba bean a more attractive crop for sustainable agriculture.

Life in the smoke of underwater volcanoes

Researchers discovered a new species of bacteria, Sulfurimonas pluma, living in cold, oxygen-saturated hydrothermal plumes globally. The microorganism uses hydrogen as an energy source, contrary to previous assumptions and expanding our understanding of its ecological role.

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.

Scientists call for global push to eliminate space junk

Experts call for a legally-binding treaty to govern Earth's orbit, citing the growing threat of satellite debris. With an expected 60,000 satellites in orbit by 2030, scientists warn that large parts of space could become unusable if action is not taken immediately.

Advanced imaging may help in clinical treatment of prostate cancer

A trial using PSMA-PET/CT scans has shown that clinicians changed their treatment plans for patients with clinically significant prostate cancer in 19% of cases, helping to detect more cancers. The technique was found to be beneficial in high-risk patients but also led to false positives requiring further investigations.

Customizing catalysts for solid-state reactions

Chemists have developed a high-performance catalyst specifically designed for solid-state mechanochemical synthesis, achieving efficient reactivity at near room temperature. The approach uses a metal catalyst attached to a long polymer molecule, which traps the catalyst in a fluid-phase, enabling fast and energy-efficient reactions.

Toxic Twitter abuse could skew UK wildlife law

A new study found that toxic online rows about trophy hunting are becoming increasingly abusive on Twitter, with 7% of tweets containing abusive content. This hostile atmosphere is silencing conservation viewpoints and policymakers are less aware of them.

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 reality games can be used as a tool in personnel assessment

A study by University of Cologne researchers found that virtual reality gamers completed tasks faster with higher levels of general intelligence and processing capacity. The results suggest VR games can be used as a tool for predicting job performance, bridging the gap between research and practice.

Engineering breakthrough in softbotics

Researchers at Carnegie Mellon University have created a soft material with metal-like conductivity and self-healing properties that can support digital electronics and motors. The material has been demonstrated in various applications, including powering motors and enabling reconfigurable circuits.

Celestron NexStar 8SE Computerized Telescope

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

Ancient virus genome drives autism?

Research at Kobe University reveals that endogenous retrovirus activation increases a fetus's susceptibility to autism, leading to differences in brain structure and behavior. The study identifies BTBR/R mice as a more accurate model of autism, exhibiting autistic-like behaviors without reduced learning ability.

Olive oil by-product could aid exercise - study

Researchers at Anglia Ruskin University found that consuming a hydroxytyrosol-rich, olive-derived phytocomplex improved respiratory parameters, oxygen consumption, and running economy during aerobic exercise. The study also showed reduced perceived exertion and enhanced acute recovery.

Incident atrial fibrillation appears to heighten dementia risk

People with recent atrial fibrillation diagnosis have a 13% higher risk of developing dementia. A stronger link is seen in younger patients and those without chronic kidney disease. The study's findings may lead to important clinical and public health implications.

How mums are taking the lead in shaping children’s education – new study

A new global study found that mother's educational status is increasingly important in shaping children's educational status, while father's educational status has declined. The research challenges traditional assumptions on social mobility and highlights the need for a gender-sensitive approach to measuring intergenerational mobility.

Apple iPhone 17 Pro

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

UAB startup receives $2.5 million FastTrack Grant from the NIH

Alveolus Bio, a UAB startup, has received a $2.5 million FastTrack grant from the NIH to support the development of first-of-its-kind inhaled biotherapeutics for chronic lung disease COPD. The company aims to create FDA-approved treatments for 15.7 million people affected by COPD worldwide.

Study suggests little deterioration in mental health linked to the pandemic

A recent study suggests that the COVID-19 pandemic has had a relatively small impact on mental health, with general population symptoms showing little change. However, specific groups such as women and certain age groups experienced worsening of depression symptoms, while others showed improvement in mental health and anxiety symptoms.

Mediterranean diet the best prevention against prostate cancer

A Mediterranean diet rich in colourful fruits and vegetables helps prevent prostate cancer and speeds up recovery after radiation treatment. Foods such as tomatoes, melons, and nuts are particularly beneficial due to their high levels of lycopene and selenium.

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.

Viable superconducting material created in University of Rochester lab

Researchers at the University of Rochester have created a nitrogen-doped lutetium hydride that exhibits superconductivity at 69 degrees Fahrenheit and 10 kilobars of pressure. This breakthrough material has the potential to enable practical applications, as it reduces the required pressure for superconductivity to occur.

Anthropogenic climate change poses systemic risk to coffee cultivation

A study published in PLOS Climate suggests that climate change is significantly affecting land where coffee is cultivated, particularly due to synchronous climate hazards occurring in multiple areas. The researchers found an increase in climate hazards and compound events threatening coffee crops globally between 1980 and 2020.

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.

Neural puppeteer

Researchers from University of Konstanz develop 'neural puppeteer' AI model to predict animal poses and appearances, enabling analysis of intermediate motions. The system uses 3D key points to calculate statistically likely steps, crucial for studying collective behavior in wildlife.

A better way to produce fertilizers

Researchers engineer crops and symbiotic bacteria to produce nitrogen fertilizer, reducing reliance on industrially produced fertilizers. The approach aims to create a symbiotic relationship between the bacteria and crop plants, promoting efficient nutrient exchange.

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.

RNA: Don't kill the messenger

A protein complex formed of HuR and YB1 is crucial for messenger RNA stability during muscle-fiber formation. Further research could help scientists influence protein synthesis and develop novel therapeutics for muscle-related pathologies.

PSU study: Everything was stronger in that deadly June 2021 PNW heatwave

A record-breaking heatwave in the Pacific Northwest in June 2021 was attributed to a strong high-pressure ridge, which intensified when an atmospheric river moved into Alaska, releasing massive amounts of moisture. The air was exceptionally hot when brought down to the surface due to its temperature aloft.

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.

Hitting nuclei with light may create fluid primordial matter

Theoretical calculations accurately describe data from ATLAS experiment collisions of photons with lead nuclei, revealing a strongly interacting fluid that exhibits hydrodynamic behavior. This finding supports the creation of quark-gluon plasma in photon-heavy ion collisions.

Dementia the top COVID-19 risk factor for seniors in care

A University of Gothenburg study reveals that dementia is the dominant risk factor for COVID-19 infection and mortality among residents of Swedish nursing homes. Early-onset dementia was found to be the strongest association with increased mortality rates, particularly in the 65–75 age group.

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.