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Science News Archive December 2022


Page 6 of 31

Climate change: evaluating CO2 emissions from land use with greater precision

A team of researchers has harmonized calculation methods for CO2 emissions from land use, enabling more accurate evaluation of country targets and supporting the fair distribution of climate mitigation goals. The analysis reconciles land-based mitigation estimates by separating natural and land-use CO2 fluxes at the country level.

Evening hot spring soaks lower cases of hypertension in older Japanese adults

Researchers from Kyushu University found that evening hot spring bathing is associated with a lower prevalence of hypertension among Japanese older adults. The study analyzed data from over 11,000 residents over 65 and discovered that those who bathed in onsen after 19:00 were 15% less likely to have hypertension.

AI fails to pass radiology qualifying examination

A recent study found that AI failed to pass a radiology qualifying examination, with an average accuracy of 79.5%. However, the researchers suggest that further training and revision could lead to improved results.

Apple iPhone 17 Pro

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

Aging | DNA methylation GrimAge version 2

Researchers developed a new epigenetic biomarker, GrimAge version 2, which leverages two DNAm-based estimators of plasma proteins to predict mortality risk. The study found that GrimAge 2 outperforms existing clinical biomarkers in predicting mortality across multiple racial/ethnic groups and associations with age-related conditions.

Characters’ actions in movie scripts reflect gender stereotypes

A new machine-learning framework analyzes scene descriptions in movie scripts to recognize character actions, revealing widespread gender stereotypes. Female characters tend to show more emotion and less agency than males, while males are less likely to display emotional vulnerability.

Fluke 87V Industrial Digital Multimeter

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

Sharpsnout seabream‘s mortality during early life stages has a genetic base

A study published in Scientific Reports found that the sharpsnout seabream's mortality during early life stages has a genetic basis. The research analyzed genomic data from recruits and survivors of the species, finding associations with birth time, sea surface temperature, and growth rate. The results suggest that genetics plays a cru...

Radiation damage to paternal DNA is passed on to offspring

Researchers discovered that radiation damage to paternal DNA is passed on to offspring through a highly error-prone repair mechanism. This leads to structural changes in the paternal chromosomes and causes developmental defects. Histone proteins play a crucial role in shielding damaged chromosomes from accurate repair.

Heart health tip for older adults in 2023: Step it up a bit

A study published in Circulation found that walking between 6,000 and 9,000 steps per day significantly lowers the risk of a cardiovascular event in older adults. For those who are least active, even small increases in daily step count can have a substantial impact on heart health.

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.

Digital detection of dementia: Using AI to identify undiagnosed dementia

A digital detection of dementia study aims to evaluate the practical use of an AI tool for early identification of Alzheimer's disease and related dementias. The study uses a passive digital marker and patient-reported outcomes survey, which have shown potential in detecting mild cognitive impairment and reducing healthcare costs.

How nerve and vascular cells coordinate their growth

Researchers at the Universities of Bonn and Heidelberg identified a mechanism that ensures nerve cells and blood vessels grow without interfering with each other. By releasing semaphorin 3C, motor neurons signal vascular cells to pause growth, allowing for coordinated development during embryonic stages.

Optomechanics simulates graphene lattices

Researchers at EPFL's School of Basic Sciences created a large-scale, configurable superconducting circuit optomechanical lattice to simulate graphene lattices. The device exhibits non-trivial topological edge states and can be used to study many-body physics.

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.

Decoding the secret language of photosynthesis

Scientists have decoded the signals plants send themselves to initiate photosynthesis, a process turning sunlight into sugars. The newly identified proteins control communication between plant cells and organelles, potentially leading to breakthroughs in cancer research and improving crop yields.

Shedding light on the origin of complex life forms

Researchers at the University of Vienna and ETH Zurich have successfully cultivated a representative of the Asgard archaea, a group believed to be the closest relatives of eukaryotes. The newly developed model organism, Lokiarchaeum ossiferum, exhibits unique cellular characteristics, including an extensive cytoskeleton and complex cel...

Meta Quest 3 512GB

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

Brain flexibility may hasten hearing improvements from cochlear implants

A new study in deaf rats demonstrates that stimulating the locus coeruleus region of the brain can improve how quickly they learn to use their cochlear implants. The findings suggest that differences in neuroplasticity may contribute to variations in hearing improvements among implant recipients.

New drug offers hope for people with hand osteoarthritis

Researchers have identified a key molecule, retinoic acid, that may be a promising new treatment for hand osteoarthritis. The study found that individuals with certain gene variants had lower levels of retinoic acid, which could lead to the development of disease-modifying drugs.

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.

Cluster headache may be more severe in women

Women with cluster headaches experience longer-lasting and more frequent attacks than men, contributing to a higher rate of chronic cluster headache. The study suggests that these differences may contribute to the disorder being misdiagnosed in women.

Quantum computing workshop brings classical control systems into focus

AQT at Berkeley Lab organized a workshop on classical control systems for quantum computing, bringing together industry leaders and researchers to share experimental control advances. The workshop highlighted the need for advanced features in classical control electronic systems to optimize quantum computer performance.

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.

Probiotic bacteria found in fermented foods might help dispel bad breath

A pooled data analysis of 7 clinical trials found that probiotics, including Lactobacillus salivarius and Streptococcus salivarius, reduced OLP scores and volatile sulphuric compound levels in the mouth. However, the effects were relatively short-lived and more high-quality research is needed to verify these findings.

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.

World’s longest-winged birds go easy on older partners

A new study found that wandering albatrosses with older partners take shorter feeding trips and return to the nest sooner, benefiting both parents. This behavior helps them assess how much pressure their partner can handle, ensuring they don't overwork each other.

Everybody needs somebody

Researchers at Nara Institute of Science and Technology have developed a method to measure the congruence between contributor networks and library dependencies in open-source software ecosystems. By analyzing over 5.3 million change commits across 107,242 libraries, they found that libraries with high levels of matching contributions a...

Study on the origins of Omicron retracted

A recent study on Omicron's origins has been retracted due to contaminated genome sequences, casting doubt on the variant's emergence timeline. The Charité team, led by Prof. Jan Felix Drexler, is conducting a review of their analyses to address these concerns.

Strong and biodegradable

Scientists have created a new polyester material that combines mechanical stability with high biodegradability, making it an attractive alternative to traditional plastics. The innovative material, called polyester-2,18, was shown to degrade in lab experiments and pass industrial composting standards.

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.

Researchers disprove 30-year-old paradigm

A new method reveals that small vascular plants, not trees, played a greater role in reducing atmospheric CO2 levels. The study suggests that weathering, a process that involves the breakdown of minerals, is a more effective way to remove CO2 from the atmosphere.

Should we tax robots?

A study by MIT economists suggests that a modest tax on robots and foreign trade could help address income inequality in the US. The optimal policy includes taxes ranging from 1% to 3.7% of robot value, with smaller trade taxes, aiming to reduce wage gaps without stifling economic growth.

Polymer chains unlinked

A new recycling process has been developed to convert Nylon-6 into ε-Caprolactam with over 95% selectivity and 90% yield, eliminating the need for solvents or toxic chemicals. This breakthrough offers a promising solution for managing plastic waste.

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.

Myelin determines energy metabolism in inhibitory brain cells

Researchers found that myelin accumulates axonal mitochondria in PV cells, supporting their high energy demand due to intense activity. This differs from other cell types where mitochondria are evenly distributed or more abundant when myelin is reduced.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Mothers’ alcohol use changed during the COVID-19 pandemic

A study by Ohio State University researchers found that mothers drank less frequently, but more drinks per day as the pandemic progressed. This increase in drinking volume raised concerns about binge drinking among mothers, particularly due to stress and social isolation during parenting.

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.

What the inner ear of Europasaurus reveals about its life

Scientists studied fossil braincase material of Europasaurus, a long-necked herbivorous dinosaur from Northern Germany, to understand its reproductive and social behavior. The digital reconstruction of its inner ear showed that it had a good sense of hearing and possibly relied on balance immediately after hatching.

Making the unimaginable possible in materials discovery

Researchers at Argonne National Laboratory develop a new method to create crystalline materials with two or more elements, yielding previously unknown compounds with exotic properties. The discovery has potential applications in superconductors, energy transmission, high-speed transportation, and energy-efficient microelectronics.

Promising antimalarial drug proves ineffective at saving children’s lives

A new study finds that rectal artesunate (RAS) does not improve survival rates for young children with severe malaria, highlighting the need for improved healthcare systems. The observational study, conducted in DR Congo, Nigeria, and Uganda, found that RAS was more likely to cause deaths than no treatment in some cases.

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.

Investigators discover new mechanism to boost RNA therapies

Smidt Heart Institute researchers have identified a way to control the natural 'fight back' response of heart cells against RNA therapies, leading to increased effectiveness. By targeting specific microRNAs, they were able to stabilize the heartbeat and boost gene expression.