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Science News Archive September 2023


Page 4 of 37

Study finds users prefer daily oral PrEP pill despite new options

A new study by UConn researchers found that patients overwhelmingly prefer the traditional daily oral PrEP pill over newer forms, citing its efficacy and minimal side effects as key factors. The study highlights the importance of addressing socioeconomic disparities to ensure equitable access to these life-saving technologies.

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.

Elk hoof disease likely causes systemic changes

A study by Washington State University researchers found epigenetic alterations associated with elk treponeme-associated hoof disease, suggesting a systemic impact. The findings also suggest that the disease may be heritable, raising concerns about its transmission and susceptibility.

A new twist on rechargeable battery performance

Scientists discovered that solid electrolyte interphase (SEI) layer behaves like a semiconductor, causing electron leakage and leading to inferior battery performance. Minimizing organic components in SEI enables longer-lasting batteries.

Dartmouth study removes human bias from debate over dinosaurs' demise

A new modeling method powered by interconnected processors removed human bias from the debate over dinosaurs' demise. The study suggests that the outpouring of climate-altering gases from the Deccan Traps alone could have been sufficient to trigger global extinction, consistent with volcanic eruptions contributing to the mass extinction.

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.

Intense lasers shine new light on the electron dynamics of liquids

Researchers at Max Planck Institute for the Structure and Dynamics of Matter demonstrated that intense laser fields can probe electron dynamics in liquids. The team found that the mechanism of high-harmonic generation is unique to liquids, with the maximum photon energy independent of laser wavelength.

Low-income communities face dual barriers to maternity care access

Research highlights the challenges of rural hospital-based maternity unit closures and transportation barriers, leading to delays in care and adverse outcomes. The study suggests that telehealth services can provide a solution to address these disparities in maternal health outcomes.

Accelerating sustainable semiconductors with ‘multielement ink’

Researchers have developed a new semiconducting material called multielement ink that can be processed at low temperatures, paving the way for more sustainable semiconductor industry. The breakthrough enables faster and lower-energy production of semiconductors, which could significantly reduce carbon emissions.

Solving a sticky, life-threatening problem

Researchers have discovered a unique adhesin in Candida auris that enables it to stick to surfaces and cause disease. The study found that this adhesin, SCF1, is essential for colonization and virulence, suggesting a potential target for anti-fungal therapy.

Fish reveal cause of altered human facial development

Researchers tested five chemicals on zebrafish embryos and found that all caused impaired migration of bone-forming cells, leading to facial malformation. The study suggests a potential general mechanism underlying teratogenic chemicals and proposes using zebrafish as an alternative method for testing cross-species teratogens.

Apple iPhone 17 Pro

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

New study examines pros, cons of advanced maternal age

A new study examines the pros and cons of advanced maternal age, finding that while older mothers face increased risks, they also have significant advantages due to their socioeconomic status. The research aims to untangle the truth about this complex issue by investigating how biomedical knowledge is produced and disseminated.

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.

Parkinson’s: Are our neurons more vulnerable at night?

A UNIGE team investigated the destruction of neurons at different times of the day using fruit fly models and found that cellular stress was more deleterious to neurons at night. This suggests that the circadian clock exerts a protective effect on dopaminergic neurons against oxidative stress.

Liver fibrosis: Giant cells step in to compensate for impaired immune function

A team of researchers has uncovered a previously unknown compensatory mechanism found in liver disease. Giant cell clusters, formed by immune cells from the bone marrow, take over the filtration function of impaired Kupffer cells. This finding changes the way we think about the role of the immune system in liver fibrosis.

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.

Biological particles play crucial role in Arctic cloud ice formation

Researchers found a significant connection between biological particles and the formation of ice in Arctic clouds. The study's innovative approach revealed correlations with variables like snow cover and temperature, shedding light on the prevalence of fungal spores and their impact on climate models.

Soil bacteria prevail despite drought conditions

Recent research reveals that certain soil microorganisms persist and even thrive during drought periods, influencing ecosystem balance and plant growth. A novel method using water vapor measurement indicates that specific bacterial species become more active under simulated future climatic conditions.

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.

How safe is your sushi?

Researchers warn of risks associated with eating sushi and sashimi, especially for individuals with weak immune systems. The study highlights the importance of adopting a broad approach to combat the spread of antibiotic-resistant bacteria through animal and human health, food production, and environment.

Want to make better decisions? Ask for less information, not more

New research published in Cognitive Research: Principles and Implications suggests that small amounts of surplus information can negatively impact decision-making. When presented with complex causal models, people's ability to make good choices deteriorates as they receive more information than necessary.

Sandcastle worm nests inspire new low-carbon building materials

Researchers develop natural-based, low-carbon building materials by mimicking the composite adhesive secreted by sandcastle worms, which binds grains together. These materials exhibit good mechanical performance and can be constructed from various grains using oppositely charged bio-polymer adhesives.

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.

Saturated fat may interfere with creating memories in aged brain

A recent study by Ohio State University researchers found that saturated fats can interfere with the creation of new memories in aged brains. However, omega-3 fatty acids, particularly DHA, may help protect brain cells from fat-related inflammation. The study used cell cultures and brain tissue from aging mice to explore the effects of...

Wider viewing angle for holographic 3D display

A new holographic 3D display system has been developed with a wider viewing angle of 73.4°, significantly improving over previously proposed systems. The system uses SLMs and liquid crystal grating to achieve this improvement.

How an audience changes a songbird’s brain

Researchers at Columbia University found that when courtship is involved, dopamine-based error signals are suppressed and replaced by reward signals for performing well. This suggests a socially driven shift in the brain's self-evaluation system during courtship, potentially applicable to learning other behaviors.

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.

Abdominal fat plays important role in remission of prediabetes

A study by the DZD found that losing abdominal fat can reverse prediabetes and reduce the risk of developing type 2 diabetes. Participants who achieved remission showed improved insulin sensitivity and reduced markers of kidney damage, while maintaining similar weight loss as non-responders.

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.

Hot flashes yet another early indicator for Alzheimer's disease

A new study suggests that hot flashes experienced during sleep may be an early indicator of women at higher risk of Alzheimer's disease. The study, which involved nearly 250 midlife women, found a greater number of sleep hot flashes to be associated with an increased likelihood of Alzheimer's.

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.

Hot flashes linked with risk factors for cardiovascular disease

A new study suggests that physiologically assessed hot flashes may be associated with greater systemic inflammation, a risk factor for heart disease. Midlife women experiencing frequent hot flashes may require focused cardiovascular disease prevention efforts.

Blocking abnormal stem cell signal during aging lessens related bone loss

Researchers at NYU Grossman School of Medicine found that blocking the Notch signaling pathway in aging skeletal stem cells increases bone mass and restores lost bone-healing ability. The study used single-cell RNA sequencing to reveal that Notch signaling becomes abnormally active with age, shifting cells towards fatty degeneration.

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.

Wild Asian elephants display unique puzzle solving skills

A study of 77 wild Asian elephants found that individual differences in willingness and ability to problem-solve impact their success in accessing food. The most innovative elephants solved all three compartment types, demonstrating cognitive flexibility and potential implications for conservation management.

Job loss is linked to increased risk of miscarriage and stillbirth

A recent study published in Human Reproduction found a doubling in the chances of pregnancy miscarrying or resulting in a stillbirth following a job loss. The researchers emphasize an association between job loss and increased probability of miscarriage or stillbirth, highlighting potential socioeconomic factors.

The impact of menopause stage on age-related changes in the brain

A new study found significant differences in cerebral blood flow and arterial transit time between women at different menopause stages and age-matched men. The researchers discovered distinct spatial distributions of these changes, with sex differences being more pronounced than any effect of menopause stage.

Your Zoom background might influence the first impression you make

A new study found that faces against houseplant or bookcase backgrounds are perceived as more trustworthy and competent than those with other backgrounds. The research, published in PLOS ONE, suggests that videoconference users, particularly men, may benefit from using these background images to make a good impression.

Celestron NexStar 8SE Computerized Telescope

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

JWST's first spectrum of a TRAPPIST-1 planet

The James Webb Space Telescope detected no significant atmosphere around TRAPPIST-1 b, a planet in the habitable zone of its cool star. The study highlights the impact of stellar activity on observations of exoplanets, which can create 'ghost signals' that affect data interpretation.

UTA research: Wildlife loss five times slower in protected areas

A new study by UTA researchers found that vertebrate population declines are five times slower in conservation areas compared to those outside protected lands. Conservation areas help stabilize amphibian and bird populations, while also having a positive impact on reptiles in countries with good governance.

How liver cells become scarring, and worse

Liver cells become scarring when damaged by conditions like viral hepatitis or excessive drinking, leading to cirrhosis and liver failure. Reversing this process involves targeting the creation of scar tissue and addressing underlying causes, offering new hope for patients with liver fibrosis.

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.

Teams investigate material degradation process of carbon-based catalyst

A team of researchers elucidated how hydrogen peroxide affects the degradation of a carbon-based catalyst named N-G/MOF. The study examined changes in the catalyst's elemental composition, major chemical bonds, crystal structure, and morphology under varying concentrations of hydrogen peroxide.

NSF backs Rice processor design, chip security research

Researchers aim to develop programmable formal specification-based data stream processor and hardware monitor to enhance microchip security and prevent malfunctions. They will explore novel technologies for real-time monitoring of physical and biological systems, including signal patterns within computer chips.

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.

Tree rings reveal a new kind of earthquake threat to the Pacific Northwest

Researchers have identified that ancient quakes occurred in shallow faults on the Puget Lowlands in western Washington, which could lead to another devastating event. The study used tree rings to pinpoint the dates of these quakes and found a link between them, suggesting regional hazard models may need to be updated.