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Science News Archive April 2022


Page 4 of 37

Half of eligible women prefer self-sampling for cervical screening

A new study published in the Journal of Medical Screening found that over half of eligible women (51.4%) prefer self-sampling for cervical cancer screening, as it addresses concerns about embarrassment and provides more flexibility. The study also suggests that many regular screeners may switch to self-sampling if offered the option.

A sharper image for proteins

Researchers at Arizona State University have developed a new technique called evanescent scattering microscopy (ESM), which allows for the visualization of proteins and other vital biomolecules with unparalleled clarity. This label-free imaging method reduces light-induced heating and requires no fluorescent dye or gold coating, making...

Humans run at the most energy-efficient speed, regardless of distance

Researchers found that humans' natural tendency is to run at a speed that conserves caloric loss, defying the common goal of racing to shave time off miles. By analyzing data from wearable fitness trackers and lab experiments, scientists discovered that most runners maintained a consistent speed for short and long distances.

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 insight in patient response to surgical disruption in life-saving hormones

A new study reveals that cardiac surgery causes distinct patterns of cortisol secretion, which may reflect individual physiological differences and inflammatory responses. Researchers identified three dynamic phenotypes: single-pulse, two-pulse and multiple-pulse dynamics, suggesting improved diagnostics and personalized interventions ...

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.

Mother and child vulnerable to endocrine disruptor exposure

A Canadian research team found that pregnant women and their unborn babies are sensitive to environmental contaminants like endocrine disruptors. The study highlighted the role of the placenta in regulating maternal physiology and fetal development, and linked early exposure to certain EDs with breast cancer and prostate cancer risk.

Analysis of firearm violence during pandemic in US

During the first year of the COVID-19 pandemic, firearm-related incidents and nonfatal injuries increased significantly in all 50 states and the District of Columbia. The analysis found a notable association between the pandemic and firearm violence, highlighting the need for further research and interventions to address this issue.

New study could help reduce agricultural greenhouse gas emissions

Agricultural nitrous oxide emissions are estimated to be 300 times more powerful than carbon dioxide in trapping heat. The new knowledge-guided machine learning model, KGML-ag, is 1,000 times faster and more accurate than current systems, providing a promising solution for reducing greenhouse gas emissions from agriculture.

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.

E. coli bacteria exploits Crohn’s disease inflammation

Research finds that intestinal inflammation liberates chemicals that nourish E. coli's growth and promote inflammation, highlighting new treatment targets for Crohn's disease. The study identifies key compounds that feed E. coli, such as phospholipids and amino acids, and shows that these compounds can enhance the bacteria's virulence.

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.

Findings open way for personalised MS treatment

Researchers at Karolinska Institutet have developed a method to identify the immune cells involved in autoimmune diseases and identified four new target molecules for personalized treatment of multiple sclerosis. This approach could lead to more precise treatments with fewer side effects, potentially benefiting other autoimmune diseases.

Remote Ireland community survived a millennium of environmental change

A remote Irish community endured a millennium of climate change and ecological shifts without significant disruption, thanks to its adaptable social practices. The study, published in PLOS ONE, analyzed peat core data to infer environmental and human occupation changes over 1,000 years.

Apple iPhone 17 Pro

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

Scientists illuminate mechanism of common drug target

Researchers have gained new insight into how GPCRs operate, a step toward developing improved drugs. By probing the beta-adrenergic receptor, they uncovered details about β-arrestin activation by GPCRs, which could lead to pathway-specific compounds.

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.

Suicide rate among women with, without cohabitants who owned handguns

A study of 9.5 million California women found that acquiring a handgun by a cohabitant sharply increased the risk of suicide among women living in handgun-free homes. Women who lived in households without handgun owners had a significantly lower rate of suicidal thoughts and behaviors compared to those with cohabitants owning firearms.

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.

Using satellite data to help direct response to natural disasters

A new study developed a way to use satellite imaging data to create 3D images that can quickly detect changes on the Earth's surface. The tool could be used to detect significant natural disasters in remote regions, giving first responders accurate information about the needs of the affected region.

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.

People who self-harmed during the COVID-19 pandemic may have been less likely to seek help and have found it harder to access in-patient treatment, according to study of over 3.5 million Welsh citizens

A study of over 3.5 million Welsh citizens found that those who self-harmed during the COVID-19 pandemic were less likely to seek help and faced difficulties accessing in-patient treatment. The research used linked electronic health records to investigate healthcare contacts with self-harm during this period.

UK wildlife watchers welcome 'ecological refugees'

UK wildlife recorders generally welcome newly arrived bird and insect species due to climate change, but have reservations about invasive species that harm native animals. The survey suggests that public opinion plays a crucial role in managing these arrivals, with scientific evidence being a key factor.

How it works: The protein that stimulates muscle growth

Scientists discover that activating TAK1 in skeletal muscle promotes muscle growth and prevents atrophy, with implications for treating conditions like cancer, COPD, and genetic diseases. The research also highlights the importance of maintaining healthy neuromuscular junctions.

Fluke 87V Industrial Digital Multimeter

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

Atherosclerotic plaques “talk” with the brain

Researchers discovered a connection between atherosclerotic plaques and the central nervous system, involving immune cells, nerves, and cardiovascular tissues. This 'ABC' circuit can be modulated or disconnected, potentially leading to innovative therapies for treating atherosclerosis.

The RTS,S malaria vaccine may do more than we thought

A recent study has revealed that the RTS,S malaria vaccine not only elicits antibodies against specific antigens but also those of other parasites, leading to increased protection. This off-target antibody response is significantly associated with reduced risk of clinical malaria in vaccinated children.

News from the climate history of the Dead Sea

Researchers discovered that periods of drought were interrupted by wetter phases lasting several decades or even centuries, challenging the understanding of climate change in the region. The study's findings have significant implications for archaeological considerations and future climate scenarios.

An epigenetic cause of miscarriages is identified and cured in mice

Researchers have identified the Xist gene as a critical regulator of fetal development in mice, leading to miscarriage and abnormal placentas when epigenetic instructions are missing. The study's findings suggest that failed Xist imprinting can be 'cured' by targeting specific genes involved in histone modifications.

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.

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.

Global aid response on Ukraine too short-term, says study

A study analyzing global aid responses to Ukraine's invasion found that assistance is often focused on short-term measures rather than sustainable goals. The research highlights the need for more effective and long-term support to address the country's reconstruction and rebuilding needs.

Study finds rate of multiple sclerosis similarly high in Black and white people

A new study finds that multiple sclerosis (MS) affects Black and white adults at similar rates, while being underreported in Hispanic and Asian communities. The study analyzed over 2.6 million adults in Southern California and found MS prevalence per 100,000 people was similarly high for Black and white people, but lower among Hispanic...

Meta Quest 3 512GB

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

Scientists implicate non-cardiac genes in congenital heart disease

Researchers discovered that non-cardiac protein subunit CHD4 interacts with three cardiac genes mutated in patients with congenital heart disease, leading to misexpression of non-cardiac genes and faulty heart development. This finding provides a new mechanism for the prevalence of congenital heart disease in humans.

Plug-and-play organ-on-a-chip can be customized to the patient

Researchers from Columbia University have developed a plug-and-play multi-organ chip, customized to the patient, consisting of engineered human heart, bone, liver, and skin linked by vascular flow. The model allows for long-term studies and can be optimized for personalized therapy optimization in cancer and systemic diseases.

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.