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Science News Archive August 2024


Page 32 of 38

Competition over millions of years preserves genetic diversity

Researchers have found that the coevolution between water fleas and a parasitic bacterium has been ongoing for at least 15 million years, preserving genetic diversity. This process, known as balancing selection, ensures that multiple genetic variants for surface molecules are always preserved in the water flea without one ever prevailing.

Genetically diverse crowds are wiser

A new study by Dr. Meir Barneron found that genetically diverse groups outperform homogeneous groups in making collective judgments, suggesting genetic diversity enhances collective intelligence.

Apple iPhone 17 Pro

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

ALS diagnosis and survival linked to metals in blood, urine

A University of Michigan-led study found that higher levels of metals in blood and urine are associated with a greater risk for ALS and shorter survival. Occupational exposure to metals was also linked to increased metal levels, emphasizing the need for accounting for environmental factors when evaluating overall exposure risk.

Do your supplements contain potentially hepatoxic botanicals?

A study from Michigan Medicine researchers found that over 15 million adult Americans regularly consume herbal and dietary supplements containing potentially toxic liver ingredients. The largest proportion of users took turmeric or green tea supplements, while others used garcinia cambogia for weight loss.

No room for nuance in polarized political climate: SFU study

A recent study from Simon Fraser University's Beedie School of Business found that people who express ambivalence about political topics are disliked by those who disagree and those who agree but feel their position isn't strong enough. The study exposes a mismatch between expectation and social reality, suggesting that nuanced positio...

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.

Caregiving: Poll reveals who’s providing care and who they’re caring for

A new poll finds that over 30% of people in their 50s and early 60s provide care to at least one person with a health issue or disability, while 1 in 10 juggle taking care of three or more people. The majority of caregivers are caring for someone with a physical disability or mobility problem, followed by memory or thinking issues.

Ticks’ secret allies: Bacteria's hidden hand in tick survival

Researchers discovered that certain bacteria living inside ticks are essential for their survival and reproduction. These bacteria produce vital nutrients, making them a potential vulnerability in tick populations that could be exploited to control tick numbers and reduce the incidence of tick-borne diseases.

Meta Quest 3 512GB

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

Type 2 diabetes and fracture risk in older women

A recent study found that type 2 diabetes significantly increases the risk of fractures in older women. The increased risk is thought to be primarily caused by impaired physical function rather than skeletal characteristics.

AI for early detection of pediatric eye diseases using mobile photos

A recent study published in JAMA Network Open demonstrated the effectiveness of AI in detecting myopia, strabismus, and ptosis using smartphone images. This technology has the potential to facilitate early detection of pediatric eye diseases in a convenient and accessible manner.

New research into life-threatening birth defect of the diaphragm

New research reveals that diaphragmatic hernia is associated with inflammatory processes involving immune cells, leading to underdeveloped lungs. Scientists have identified specific pro-inflammatory signalling processes and propose a novel therapy using amniotic fluid stem cell extracellular vesicles.

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.

Study finds refined corn flour with added corn bran can lower cholesterol

A randomized crossover clinical trial reveals that swapping refined corn flour for a blend of refined corn flour and corn bran lowers LDL cholesterol concentrations by 5-13.3%. The study found significant reductions in LDL cholesterol among 70% of participants who consumed the blend, while whole-grain corn meal had no impact.

Good outcomes 10 years after surgery for ectopic bone in thoracic spine

A 10-year follow-up study reports significant and lasting improvement in outcomes with posterior decompression and fixation surgery for patients with Thoracic Ossification of the Posterior Longitudinal Ligament (T-OPLL). Decompression and fixation yielded long-term benefits in neurological function, quality of life, and pain management.

Live longer, die healthier

Researchers discovered a monthly treatment that extended the lives of mice by 9%, allowing them to live healthier for longer periods. The treated mice retained their physical function and overall frailty until the end of their lives, unlike controls, which showed significant declines in health.

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.

Future enterovirus outbreaks could be exacerbated by climate change

Researchers at Brown University found that temperature increases enterovirus transmission, with a similar effect seen in polio historically and more recent enteroviruses causing hand, foot and mouth disease. Climate change may lead to increased intensity of outbreaks, particularly in regions with larger seasonal temperature ranges.

Exposure to wildfire smoke may affect patients undergoing surgery

A new study warns that exposure to wildfire smoke may lead to increased rates of underlying health conditions among patients undergoing surgery. The researchers hope their findings will inform anesthesia clinicians about the potential impact of wildfire smoke on patient outcomes, leading to better management and reducing complications.

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.

Nudges fail to motivate vaccination

A recent study found that behavioral nudges in social media ads had limited ability to encourage COVID-19 vaccination across countries. Nudge ads with messages appealing to norms and family/ community protection performed better than placebo ads, but only in certain contexts.

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.

Social and structural factors are key drivers of disparities in obesity rates

Research reveals that social determinants such as access to healthy food, health insurance, and physical activity spaces are key drivers of obesity disparities. Successful interventions like community-based programs can reduce disparities, but more work is needed to expand these initiatives at local, state, and national levels.

Soft gold enables connections between nerves and electronics

Researchers at Linköping University have created soft electrodes made of gold nanowires and silicone rubber, capable of stimulating nerve signals and capturing electrical signals. The material is expected to last for at least three years and has potential applications in medical devices.

Sport or snack? How our brain decides

Studies in mice reveal that orexin plays a key role in deciding between physical activity and consuming food, particularly when both options are available. By understanding this process, scientists aim to develop strategies to overcome exercise barriers and address the global obesity epidemic.

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.

Machine learning and better radar solve the ‘cloud cover’ problem

A new approach incorporating machine learning and a novel radar technique has solved the 'cloud cover' problem in remote sensing, improving land surface temperature tracking accuracy. This is achieved by combining better elevation models with multiple radar echoes from SAR images to reconstruct optical data.

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.

Nanofibers for drug delivery: design and fabrication strategies

This review article delves into the production methods of nanofibers, including centrifugal jet spinning, plasma-induced synthesis, and solution blow spinning, to enhance drug delivery. Nanofibers' extensive surface area relative to their volume makes them valuable for numerous applications.

Demographic representation of generative AI images of physicians

A recent study found that generative AI images of physicians exhibit demographic biases, with a disproportionate representation of white and male physicians. The study highlights the potential for these biases to reinforce stereotypes and undermine diversity initiatives in healthcare.

Fluke 87V Industrial Digital Multimeter

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

New open-source platform for high-resolution spatial transcriptomics

A new open-source platform, Nova-ST, is transforming gene expression profiling in tissue samples by offering affordable and high-resolution spatial analysis. This approach allows scientists to map gene expression across a tissue section with a spatial context, enabling the study of complex biological processes.

How plants become bushy, or not

A new study from the University of California, Davis, reveals how plants break down the hormone strigolactone to become more bushy. The researchers found that enzymes called carboxylesterases play a crucial role in degrading strigolactone, and identified specific amino acids that allow these enzymes to bind to the hormone.

Identification of novel toxins using machine learning

A recent study uses machine learning to analyze 950 microbial genomes, identifying 2,194 potential toxins that could be used as new antimicrobials or biotechnological tools. The researchers also discovered four new toxins with enzymatic activities against different molecules.

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.

Researchers reveal atomic-scale details of catalysts’ active sites

Scientists have developed a technique that illuminates the mechanisms underlying many chemical reactions by determining the 3D atomic coordinates, chemical makeup, and surface composition of heterogeneous nanocatalysts. This discovery enables engineers to rationally design nanocatalysts for optimized performance.

Researchers solve long-standing challenge for piezoelectric materials

Piezoelectric materials are used in sonar and ultrasound applications, but can deteriorate due to heat and pressure. Researchers have developed a technique to depole and repole these materials at room temperature, allowing for easier repair and paving the way for new ultrasound technologies.

Does online dating make relationships more successful?

A new study found that meeting partners online is positively linked to relationship success among those who have social media presence on their relationships. However, the link was absent among individuals without this social media presence, particularly in marital relationships.

The prescription for a healthier democracy

A Rutgers University study suggests that hospitals can play a crucial role in strengthening political inclusion by aiding patients in voter registration. The study found that voters contacted in healthcare settings tend to be more racially and ethnically diverse, and younger, than those reached through traditional registration efforts.

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.

Concept for efficiency-enhanced noble-metal catalysts

Researchers at KIT's Institute for Chemical Technology and Polymer Chemistry developed a novel concept to improve the stability of supported catalysts by utilizing different support materials. The concept involves confining Pd clusters on CeO2 nano-islands, which leads to highly active oxidation catalysts.

Dance with me? Just start ‘bouncing’ to the rhythm of the music

A study published in Current Biology found that bouncing is the primary movement facilitating synchronization in dance, occurring independently of music and partner movements. Researchers identified two modes of synchrony: music-driven and partner-driven, with bouncing acting as a supramodal rhythm regulator.

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.

What happens to your brain when you drink with friends?

A UTEP study using fruit flies reveals that social settings enhance the stimulant effect of ethanol, linked to increased activity in the D1 dopamine receptor. This finding may lead to a better understanding of Alcohol Use Disorder and its vulnerability to social influences.

Scientists reach consensus for fasting terminology

A panel of experts has reached consensus on fasting terminology to enhance communication and cross-referencing in the field. The defined terms include 'fasting,' 'modified fasting,' and 'religious fasting,' among others, aiming to steer people away from unverified diets that can lead to unhealthy behaviors.