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Science News Archive July 2022


Page 9 of 34

High-strength cannabis linked to addiction and mental health problems

A systematic review of 20 studies involving almost 120,000 people found that high-potency cannabis use is associated with a higher risk of addiction and mental health problems, including psychotic disorders. The study suggests that reducing the potency of cannabis products could help minimize these harms.

Apple iPhone 17 Pro

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

York U-led study finds those who detransition avoid medical help

A York University-led study reveals individuals detransitioning face sparse clinical care and support, relying on online networks for guidance. Detransitioners experience physical and psychological challenges, including stigma from clinicians and unsupportive environments.

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.

When the invasive fish are native

A new study by the University of Barcelona highlights the negative effects of translocated native species on native fish, finding that habitat quality is essential for conservation. The study suggests that these species can have similar impacts to exotic invasive species.

Researchers use MRI to show brain changes, differences in children with ADHD

Researchers used MRI to study neural flexibility in children with ADHD, finding significant decreases in cognitive flexibility across the entire brain and sub-networks. Children who received medication showed increased neural flexibility compared to those not taking medication, suggesting its potential clinical utility for diagnosing a...

Extreme heat exposure worsens child malnutrition

A study of over 32,000 West African children found that extreme heat exposure increases the prevalence of stunted growth from chronic malnutrition by 12% and of low weight from acute malnutrition by 29%. The researchers estimate that rising temperatures could nearly double the effect of heat exposure on stunting.

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.

Milking molecules from microbes

A team of researchers developed a low-energy and efficient way to harvest and concentrate valuable chemicals from microalgae, which can be grown on waste materials. This membrane-based process enables continuous extraction and concentration of secreted metabolites, paving the way for large-scale bio-factories.

Gut microbe peptide implicated in triggering type 1 diabetes

Researchers at Joslin Diabetes Center identified a human gut bacterium that makes a protein mimicking the insulin peptide targeted by the immune system in type 1 diabetes. The presence of this bacterium accelerates the onset of diabetes in a mouse model and is linked to its development in children at genetic risk.

Study shows link between frequent naps and high blood pressure

A study published in the American Heart Association's Hypertension journal found a significant association between frequent napping and an increased risk of high blood pressure and ischemic stroke. The researchers analyzed data from over 360,000 participants and suggested that naps may not be enough to make up for poor sleep at night.

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.

Tetrahedrons assemble! Three-sided pyramids form 2D structures

Researchers at Rice University have created 2D chiral superstructures using three-sided pyramids, which could lead to breakthroughs in metamaterials. The structures, composed of ultrathin assemblies of particles, incorporate left-handed and right-handed domains and exhibit unique optical properties.

Meta Quest 3 512GB

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

Supervolcano study finds CO2 emissions key to avoiding climate disasters

A new study reveals that the volume and rate of carbon dioxide emitted from supervolcanoes controlled the severity of past environmental crises. The research found that enormous super volcanic eruptions made a comparatively small dent in our environmental and biological cycle, whereas rapid releases of massive amounts of CO2 led to sev...

“Healthy underweight” individuals topple research expectations

A study published in Cell Metabolism found that healthy underweight individuals had lower food intakes and lower activity levels, yet surprisingly higher-than-expected resting metabolic rates linked to elevated thyroid hormones. These findings contradict previous assumptions about metabolism in low BMI individuals.

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.

ACP offers guidance on the ethical use of genetic testing and precision medicine

The American College of Physicians (ACP) has issued a position paper on the ethical use of genetic testing and precision medicine in internal medicine. The guidelines address key issues such as incidental findings, education for physicians and patients, and counseling needs. ACP emphasizes the need for ongoing surveillance and anticoag...

Sustainable practices linked to farm size in organic farming

A new study by Cornell University reveals that larger organic farms use fewer sustainable practices than smaller ones. Larger farms are more likely to use efficiency-boosting agroecological practices, but less likely to adopt environmentally friendly methods.

A new leap in understanding nickel oxide superconductors

Researchers have discovered nickel oxide superconductors with the presence of charge density waves (CDWs), which accompany superconductivity. This discovery reveals that nickelates are capable of forming correlated states, hosting a variety of quantum phases, including superconductivity.

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.

Rice improves catalyst that destroys ‘forever chemicals’ with sunlight

Researchers created a composite of boron nitride and titanium dioxide that harnesses UV-A energy to break apart PFOA molecules in water, degrading 99% of the pollutant in less than three hours. The catalyst is more efficient than existing methods, offering new hope for removing PFOA from drinking water.

A common mechanism for cancer metastasis and atherosclerosis

A team of researchers has discovered that malignant tumors accumulate lipid delivery molecules called LDL and attract immune suppressor cells called neutrophils, leading to tumor progression. The study also shows that targeting the LOX-1/oxidized LDL axis may be a promising strategy for treating both cancer and cardiovascular disease.

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.

CRISPR therapeutics can damage the genome

A new study from Tel Aviv University found that CRISPR therapeutics can lead to a significant loss of genetic material in treated cells, potentially destabilizing the genome and promoting cancer. The researchers detected up to 10% of cells with lost chromosomes, highlighting the need for extra care when using this technology.

The world's largest omnivore is a fish

Researchers discovered that whale sharks eat a significant amount of plant material, including Sargassum seaweed. This challenges previous assumptions about their diet, revealing they are not just filter feeders on krill.

Children compensate lack of concentration through creativity

A study by Max Planck Institute for Human Development found that children use spontaneous strategy changes and broader attentional focus to achieve better results, similar to adults. This broadens the understanding of learning behavior in children.

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.

Electronic cigarette use among adults in US

A study of 994,000 US adults found a slight decrease in current e-cigarette use between 2018 and 2020, mainly among young adults aged 18-20. Daily e-cigarette use increased, particularly among those aged 21-24, indicating greater nicotine dependence.

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.

No clear medical definition of ‘growing pains’

A study published in Pediatrics found that there is no consistent medical definition of growing pains, with over 93% of studies not referencing growth or age. The condition's vague and contradictory definitions raise questions about its connection to growth and cause.

New method can improve explosion detection

A new method can improve explosion detection by training computers to recognize synthetic infrasound signals, which reflect regional and global atmospheric changes. This approach broadens the usefulness of single-element infrasound microphones for detecting subtle explosion signals in near real-time.

Colorectal cancer tumors both helped and hindered by T cells

Research reveals T cells in colorectal cancer have a double-edged function. Initially protective against tumor growth, they later promote cancer progression by altering their receptors and producing pro-inflammatory cytokines. The study offers new insights into the role of T cells in colorectal cancer and potential avenues for therapy.

How the intestine replaces and repairs itself

Research reveals that lymphatic capillaries communicate with intestinal stem cells to regulate their activity and promote regeneration. The findings provide new insights into the role of lymphatics in maintaining the health of the intestine.

Fluke 87V Industrial Digital Multimeter

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

Strengthening the immune response to cancer

Researchers at Max Delbrück Center for Molecular Medicine found that silencing the EBAG9 gene in CAR T cells increases their effectiveness and reduces side effects. This breakthrough could lead to a new therapy approach for blood cancer patients.

Finding the right memory strategy to slow cognitive decline

A new study led by researchers from the University of Michigan and Penn State College of Medicine compared two approaches for people with early form of memory loss: mnemonic strategy training and spaced retrieval training. Mnemonic strategy training showed increased brain activity in areas often affected by Alzheimer's disease, while s...

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.

Ant colonies behave like neural networks when making decisions

A new study suggests that ant colonies behave similarly to networks of neurons in the brain, combining sensory information with group parameters to arrive at a collective response. The findings indicate that ants adjust their decision-making based on the magnitude of heat increase and group size.

KIST develops key technology for quantum cryptography commercialization

The Korea Institute of Science and Technology has successfully demonstrated a practical TF QKD network, the second in the world. The new architecture is based on a star network, eliminating the need for complex control systems. This breakthrough could lead to the widespread adoption of quantum cryptography.

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.

Measuring the universe with star-shattering explosions

Researchers analyzed archive data from powerful cosmic explosions to find a new way to measure distances in the universe. They identified a class of 179 gamma-ray bursts with common features, which can be used as a cosmological tool.

Preterm birth is more likely with exposure to phthalates

A Rutgers researcher contributed to a National Institutes of Health study confirming a link between phthalate exposure and increased risk of preterm birth. The study examined data from 6,045 pregnant women in the U.S., finding that higher concentrations of phthalate metabolites were associated with slightly higher odds of preterm birth.

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.