Bluesky Facebook Reddit Email

Science News Archive March 2023


Page 13 of 44

AI finds that first stars were clustered together

An international team used AI to analyze old star chemical abundances and found indications that the first stars formed in groups. The study suggests that first-generation stars must have been clustered together rather than isolated, offering a new constraint on the multiplicity of the first stars.

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.

Without this, plants cannot respond to temperature

Scientists at UC Riverside identify microRNA as a key player in plant temperature responses and growth, revealing its essential role in sensing environmental changes. The discovery has significant implications for increasing crop yields in diverse environments and adapting to climate change.

Housing plays key role in disaster preparedness

A new national study found that households facing housing insecurity score lower on disaster preparedness scales, highlighting the importance of secure housing for disaster resilience. Housing security is vital for people to be better prepared for disasters, according to researchers.

Apple iPhone 17 Pro

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

Tiny nanoparticle could have big impact on patients receiving corneal transplants

Corneal graft rejection can be as high as 10% due to poor patient compliance with medications, which require frequent eyedrop administrations. Researchers at Virginia Commonwealth University developed nanoparticles to encapsulate eye medication, decreasing graft rejection while requiring fewer and smaller doses. The approach reversed s...

For stressed-out grad students, mindfulness makes big difference

A University of Wisconsin-Madison study found that regular mindfulness activities can improve engineering graduate student emotional well-being and resilience. Students who participated in a mindfulness training program reported significant improvements in emotional well-being, stress management, and focus.

Risk of cervical cancer twice as high in women with mental illness

A study published in The Lancet Public Health found that women with mental illness are twice as likely to develop cervical cancer due to low screening rates and increased incidence of precancerous lesions. Researchers highlight the need for proactive measures to address inequality in care.

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.

Microplastics limit energy production in tiny freshwater species

A new study by the University of Exeter found that microplastic pollution reduces energy production in microscopic creatures like Paramecium bursaria. The microorganisms rely on algae for energy through photosynthesis, but severe contamination can lead to a 50% decline in net photosynthesis.

Simplified calculations reproduce complex plasma flows

A new mathematical model predicts turbulence and heat transport in fusion plasmas with high accuracy, approximately 1,500 times faster than conventional large-scale nonlinear calculations. This breakthrough accelerates fusion research and expands the range of applicability.

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.

Alzheimer's early detection through biomarkers -

A new point-of-care testing kit will facilitate early diagnosis and monitoring of Alzheimer's Disease in primary clinics or home settings. The kit detects biomarkers in skin samples, enabling early identification of individuals at greatest risk of dementia.

Drought, heat waves worsen West Coast air pollution inequality

A new study found that droughts and heatwaves exacerbate air pollution inequalities in California, particularly for communities of color. Financial penalties for power plants can significantly reduce people's exposure to pollution, except during severe heat waves.

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.

More support needed for children with disabilities using the Internet

New research highlights the need for extra support from professionals like teachers, youth workers, and speech therapists for children with disabilities when using the internet. The study found that these professionals often fail to provide adequate guidance on managing online risks, exacerbating existing digital inequalities.

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.

Researchers find a molecular mechanism involved in type 2 diabetes

A study published in Redox Biology found that decreased expression of mitochondrial aminoacyl-tRNA synthetases leads to downregulation of OXPHOS subunits in type 2 diabetic muscle. Nitric oxide production is also increased, which could be used as a method for diagnosing the disease.

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.

Artificial intelligence finds the first stars were not alone

A team of researchers used machine learning to analyze elemental abundances in over 450 extremely metal-poor stars. The study found that 68% of these stars have a chemical fingerprint consistent with enrichment by multiple supernovae, providing the first quantitative constraint on the multiplicity of the first stars. This challenges th...

New in-home AI tool monitors the health of elderly residents

The new system, built by researchers at the University of Waterloo, uses low-power radar technology to track activities and alert medical experts to potential health issues. It can detect decline in mobility, increased likelihood of falls, and onset of medical conditions without the need for wearable devices.

Getting around muscle aging

A new study found a protein that regulates macrophage function, clearing residues from regenerating muscle and recovering regenerative capacity in aged mice. The discovery holds promise for regenerative medicine and aging, potentially improving the success of current stem-cell based therapies.

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.

The “Stonehenge calendar” shown to be a modern construct

New research suggests the ancient monument of Stonehenge was not used as a giant calendrical device, but rather served as a symbolic representation of the solar cycle. The 'Stonehenge calendar' theory has been discredited due to forced interpretations and unsupported analogies.

Many genes are involved in “resurrection”

Researchers have discovered a complex network of genes in the resurrection plant Craterostigma plantagineum that enables it to tolerate extreme drought conditions. The study found that this ability is not due to a single 'miracle gene' but rather the result of a whole genome, with many genes present in higher copy numbers than in more ...

Where does your brain want to have lunch?

A new study by Cedars-Sinai investigators has determined that the pre-supplementary motor area (pre-SMA) plays a primary role in weighing value-based choices, such as choosing which book to read or which slot machine to play. The discovery could help understand neurological disorders like addiction and obsessive-compulsive disorder.

As the worm turns: New twists in behavioral association theories

A team of researchers developed a dynamical model that explains how animals learn over time, contradicting previous theories. The multi-dimensional model shows that learned associations are not mediated solely by strength but by multiple nearly independent pathways.

Celestron NexStar 8SE Computerized Telescope

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

What really matters in multi-story building design?

Designing low-carbon multi-storey buildings requires focusing on efficient shapes, structural frames, limited window sizes, and ventilation with heat recovery. The study found that these elements can save up to six gigatonnes of carbon by 2050 and reduce annual heating and cooling costs by 28-44%.

The evolution of a catalyst

A team of researchers used a genetic algorithm to discover an organic catalyst for the Morita–Baylis–Hillman reaction, which outperformed traditional catalysts. The computational method suggested new molecular structures that were not present in the initial population, leading to a novel discovery.

Researchers make breakthrough in high-pressure magnetic detection

Researchers developed a platform to study superconducting magnetic detection and phase transitions under high pressure using silicon vacancy defects. They successfully detected pressure-induced magnetic phase transitions in rare-earth magnets and measured the critical temperature-pressure diagram of a superconductor.

Meta Quest 3 512GB

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

Dairy sector boasts 100 years of successful herd data collection

The National Cooperative Dairy Herd Improvement Program has successfully collected herd production data for 100 years, providing crucial input for cattle breeding and genetics. The program's cooperative structure, data interoperability, and governance model make it a unique example of how data collection benefits producers.

Newly discovered cell in fruit flies is essential for touch sensation

Researchers at the Francis Crick Institute have identified a new cell type, named F-Cell, that plays a crucial role in touch sensing in fruit flies. The study published in Nature Cell Biology reveals that F-Cells are recruited to tactile hairs and participate in sending signals to neighbouring epidermal cells.

Analysis of 3.6 million patient surgeries in England suggests it is safe to operate on patients 2 weeks after a positive COVID diagnosis, as long as they have recovered

A new UK study of 3.6 million surgeries found that operating within 2 weeks of a positive COVID test is safe for recovered patients, with lower mortality rates compared to current guidelines. The study suggests that delaying surgery might cause more harm than good, particularly in patients who have already waited longer for surgery.

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.

Cellular growth rate reshapes cell-fate-decision landscape

Researchers found that cellular growth rate influences gene expression response, leading to unbalanced phenotypic states and a growth-rate-dependent phase transition. The study proposes a mathematical model explaining the bifurcation arising from the relationship between growth rates and gene expression.

Robotic system offers hidden window into collective bee behavior

Researchers developed a temperature-modulating robotic system to study honeybee behavior in winter, demonstrating its ability to influence movement and prolong colony survival. The system also revealed previously unreported dynamics and shed light on critical periods for bee development.

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.

Tools for more accurate obesity risk assessment based on sex, ethnicity

UConn researchers have developed simple measurements and equations that better predict fat distribution in individuals based on their sex and ethnicity. The tools account for differences in body composition between ethnic populations and women and men, providing a more accurate assessment of obesity-related health risks.

Use of melatonin linked to decreased self-harm in young people

A study from Karolinska Institutet found that melatonin prescription was associated with a lower risk of self-harm in young people with psychiatric disorders, particularly adolescent girls. The risk of self-harm increased before treatment initiation and decreased afterwards.

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.