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Science News Archive 2023


Page 345 of 444

Can moderate dietary salt restriction help patients with hypertension?

A clinical trial found that moderate salt restriction reduced blood pressure and depressive symptoms without adverse effects in patients with primary aldosteronism. The study suggests a feasible approach to improving care for these patients and may also benefit those with essential hypertension.

Light meets deep learning: computing fast enough for next-gen AI

Researchers developed a novel design for the chip using a crossbar layout, outperforming state-of-the-art photonic counterparts in terms of scalability and technical versatility. The synergy of powerful photonics with the novel crossbar architecture enables next generation neuromorphic computing engines.

Smokeless tobacco and cigarettes confer similar adverse vascular health risks

A new study finds that smokeless tobacco products increase the risk of developing peripheral artery disease by two-fold compared to non-users. The study analyzed data from 14,344 participants and found a significant association between smokeless tobacco use and PAD, with a rate of 4.4 cases per 1,000 person years.

Apple iPhone 17 Pro

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

Towards reducing biodiversity loss in fragmented habitats

Researchers at McGill University have found a way to predict the movement of species in fragmented habitats, which is key to their survival. By combining lab experiments and mathematical modeling, they determined that the survival of species lies in the interplay between their patterns of movement and the orientation of habitat corridors.

Observing group-living animals with drones and computer vision

Researchers developed a new method to collect data on animal behaviour and environment using drones and computer vision. The method allows for the extraction of information on spatial distribution, movement, and behaviour, providing rich insights into the social and environmental context of group-living animals.

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 subvariants of the SARS-CoV-2 virus accelerated the pandemic

A new study by UC San Diego researchers found that COVID-19 subvariants like BA.4 and BA.5 evaded the body's natural defense, leading to rapid spread. Early treatment with Paxlovid may have left patients more susceptible to re-infection due to a weakened immune response.

Next epidemic could be spotted early in wastewater, say scientists

Researchers analysed wastewater from 10 cities to detect chemical and biological markers of health, including pesticides, pharmaceuticals and disease-causing viruses. The study found that analysing wastewater on a large scale could spot new outbreaks of diseases in communities early on.

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.

Searching for life with space dust

Researchers suggest studying well-preserved grains of space dust for potential signs of life, as they could contain fossils of microorganisms. The idea estimates that around 100,000 such grains could land on Earth every year.

Endangered vulture returns to Bulgaria after being extinct for 36 years

The Cinereous Vulture has been reintroduced to Bulgaria after being extinct for 36 years. The successful re-introduction campaign, led by Green Balkans and other organizations, involved importing 72 birds from Spain and European zoos. The team recommends the aviary method and delayed release for establishing a new core population, and ...

Changing temperatures increase pesticide risk to bees

A new study suggests that climate change could lead to increased pesticide toxicity on bee populations and their pollination services. Environmental temperature can influence the degree to which pesticides affect bees' behavior, with certain temperatures causing a 'tipping point' in their ability to tolerate pesticide exposure.

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.

New insights into the origins of spinal muscular atrophy

Researchers discovered that SMN deficiency harms neurons by impairing Hspa8 protein, which assembles critical communication links between motor neurons and muscle cells. A potential new treatment pathway for SMA was identified through mimicking the protective effect of a specific variant of the Hspa8 gene.

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.

Researchers develop method for deciphering positional rules in splicing

A new method for global profiling of in-situ RNA–RNA contacts associated with specific RBP has been developed, revealing positional mechanisms by which PTBP1-associated RNA loops regulate cassette exon splicing. The study found that PTBP1 can modulate cassette exon splicing via mediating specific RNA loops in a position-dependent manner.

Air flow research could reduce disease, contamination spread

Researchers are using air flow modeling and simulations to understand how pathogens transport through spaces, shedding light on the impact of building design on human health. The study aims to develop interdisciplinary ventilation strategies to mitigate microbe spread and improve disease prevention.

Seniors’ use of urinary-tract infection antibiotics halved

A new study published in The BMJ found that a decision tool for health professionals reduced unnecessary antibiotic prescriptions for frail older adults by 50%. The multifaceted training program, which included education and action planning, was effective in improving patient safety while reducing antibiotic use.

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.

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.

Does care during pregnancy differ based on patient race in the United States?

A US analysis of perinatal care found that discretionary care varied by patient race, with Non-Hispanic Black women being 20% less likely to receive a prenatal depression screen and 60% more likely to have a urine drug test when denying drug use. Hispanic and Non-Hispanic Asian women were also less likely to receive similar tests.

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.

Like flipping the switch

Researchers at The University of Tokyo have developed a programmable gate driver for solid-state electronic transistor switches, reducing switching loss under changing input current and temperature fluctuations. The device includes automatic timing control, allowing for single-chip integration and real-time control.

A brain-inspired computer model that understands speech like humans

Researchers developed a computer model based on human brain mechanisms to improve speech comprehension. The model extracts multilevel information from ongoing speech and uses non-linguistic knowledge for disambiguating word meanings. This approach is more human-like than existing language models like ChatGPT.

Sweets change our brain

Researchers found that eating small amounts of high-fat and sugar foods regularly rewires the brain to prefer these types of foods. The brain's dopaminergic system is activated, leading to a subconscious preference for rewarding food.

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.

Frequent COVID testing of nursing home staff protected residents, saved lives

A new study found that frequent COVID surveillance testing protected nursing home residents by detecting infected staff earlier, disrupting transmission chains. The research showed that high testing frequency facilities had clinically meaningful reductions in resident cases and deaths, particularly before vaccine availability.

Hidden 'super spreaders' spur dengue fever transmission

A new study by Emory University researchers found that asymptomatic individuals account for a significant proportion (74%) of dengue infections in an Amazonian city. The 'super spreader' spaces, where infected people frequent, are crucial in predicting and controlling outbreaks.

A review by Community Care Behavioral Health Organization of UPMC in Psychiatric Services journal confirms Pennsylvania's Medicaid program offers a national model for behavioral-physical health integration

A county-based approach in Pennsylvania's Medicaid program integrates behavioral health and physical health services, resulting in improved access to care and better outcomes. This model has been recognized as a national best practice, with the state ranking among the top three for addressing mental health challenges.

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.

NASA’s Webb spots swirling, gritty clouds on remote planet

Researchers have pinpointed silicate cloud features and detected water, methane, carbon monoxide, and carbon dioxide in the atmosphere of VHS 1256 b. The team's findings provide the largest number of molecules identified all at once on a planet outside our solar system.

Survey finds patients value immediate access to test results

A survey of over 43,000 patient portal users found that 96% prefer immediate online access to clinical test results. Most respondents reported seeking additional information after reviewing their test results and valued the convenience of receiving results through a patient portal.

Meta Quest 3 512GB

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

Road noise makes your blood pressure rise – literally

A new study published in JACC: Advances confirms that exposure to road traffic noise can elevate hypertension risk. The research analyzed data from over 240,000 people and found a robust association between road traffic noise and hypertension, even after adjusting for air pollution.

Known active ingredient as new drug candidate against “monkeypox”

Researchers at Goethe University Frankfurt have identified nitroxoline as a potential treatment alternative for mpox. The antibiotic demonstrates effectiveness against both the current mpox virus and a tecovirimat-resistant strain, offering a promising solution to combat the outbreak.

Global warming undermines greenhouse gas sink function of pristine wetlands

A new study published in Nature Climate Change reveals that pristine wetlands are currently a greenhouse gas sink, but this function will be reduced by over half in response to a 1.5-2°C temperature increase. Warming promotes net methane and nitrous oxide emissions from these ecosystems, posing a positive feedback on global warming.

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 fisheries threaten seals and sea lions in South America

Two species, South American sea lion and fur seal, are primarily involved in interactions with fisheries and aquaculture activities. The economic losses to fisheries related to sea lion depredation are low, while incidental capture and mortality of seals remain unknown.

Copper artifacts unearth new cultural connections in southern Africa

Researchers found previously unknown interactions among people in southern Africa between the 5th and 20th centuries, revealing a complex network of cultural exchange. The study used geochemical analyses on copper objects to reconstruct connectivity across the region, providing new insights into the history of the area.

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.

New NIH study reveals shared genetic markers underlying substance use disorders

A new NIH study has identified common genetic markers underlying various substance use disorders, suggesting a link to dopamine signaling regulation. The findings may lead to more effective treatments and prevention strategies for multiple substance use disorders, including those with co-occurring mental health conditions.