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Science News Archive August 2023


Page 16 of 38

Tracking species range shifts in a changing climate

A novel method to monitor range shifts of protected organisms and expanding noxious species has been developed. By marking the average position of the 'connectivity limit' over time, researchers offer a statistically reliable approach to tracking changes in species distributions.

Fluke 87V Industrial Digital Multimeter

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

Did sabertooth tigers purr or roar?

A new study from North Carolina State University found that the shape of small bones in the throat, called hyoid bones, may be key to determining whether sabertooth tigers purred or roared. The researchers compared the anatomy of modern roaring cats and purring cats to find that the missing bones in saber-toothed tigers' hyoid structur...

Rewriting the past and future of the universe

Astronomers have improved the accuracy of the Universe's expansion parameters, reducing uncertainty by up to 35%. This new information will help determine whether the Universe will continue expanding forever or eventually collapse in on itself.

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.

New “bandit” algorithm uses light for better bets

Researchers developed a modified bandit Q-learning algorithm that aims to learn optimal Q values for every state-action pair, balancing exploitation and exploration. The scheme relies on photonic systems to enhance learning quality, accelerating parallel learning through conflict-free decision-making.

How Salmonella grow together in the gut and exchange antibiotic resistance

Researchers at ETH Zurich found that Salmonella bacteria can thrive together in the gut and share information about antibiotic survival mechanisms through a metabolic strategy. This exchange of critical information enables the spread of antibiotic-resistant genes, highlighting the impact of dietary components on promoting this phenomenon.

Apple iPhone 17 Pro

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

Understanding mechanisms of alcohol-associated bowel disease

Researchers found that ethanol metabolism can produce toxic substances damaging the gut, leading to leaky gut, dysbiosis and increased cancer risk. The study aims to better understand the mechanisms of alcohol-associated bowel disease and its relationship with liver disease.

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.

Websites selling direct-to-consumer Anti-Mullerian Hormone Tests

Websites selling direct-to-consumer AMH tests frequently include misleading information, potentially causing anxiety or reassurance among consumers. The study found that these claims can lead to misplaced decisions on conception or contraceptive plans, highlighting the need for accurate and transparent fertility testing.

University breaks ground on one-of-a-kind semiconductor facility

The University of Arkansas has launched a revolutionary new semiconductor research and fabrication facility, enabling companies, national laboratories, and universities to develop low-volume prototypes with silicon carbide. The MUSiC facility will accelerate technological advancement and workforce development in the US.

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.

Do prisons hold the key to solving the opioid crisis?

A Rutgers-led study found that improving prison reentry programs for highest-risk users can help reduce opioid overdose deaths in the US. Strengthening healthcare services, such as psychiatric medication and syringe services, is crucial to engage individuals in opioid use treatment after release.

Driverless cars are no place to relax, new study shows

A new study published in the Journal of Safety Research found that drivers' takeover performance worsened with increasing levels of mental workload from activities such as working, watching videos, or taking a break. The study highlights the need for regulation to ensure driverless cars are safe, particularly for inexperienced drivers.

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.

Short-term use of immunosuppressants not linked to cancer risk

A new study published in BMJ Oncology has found that relatively short-term use of immunosuppressant medications to control inflammatory diseases is not associated with an increased risk of developing cancer. The research included over 10,000 participants and tracked their cancer incidence for an average of 10 years.

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.

Thinning ice sheets may drive sharp rise in subglacial waters

Researchers develop a new model predicting up to twice the original amount of subglacial water may be draining into the ocean, accelerating glacial melt and sea level rise. The theory uses satellite measurements and is a simple equation that can predict exfiltration in a fraction of a second on a laptop.

Mississippi mud reveals secrets of Antarctica’s ancient expansion

Researchers have discovered clues about Antarctica's ice sheet formation in Mississippi mud, suggesting a 300,000-year brake on climate cooling. The study provides new insights into the Eocene-Oligocene transition, a significant climate event that had a major impact on Earth's history.

Melatonin and its derivatives enhance long-term object recognition memory

Researchers from Sophia University found that melatonin and its derivatives, such as ramelteon and N1-acetyl-5-methoxyquinuramine, facilitate the formation of long-term memory in male mice. The study suggests that melatonin modulates the phosphorylation levels of key proteins involved in long-term memory formation.

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.

Water harvesting in Death Valley: Conquering the arid wilderness

Researchers developed a water harvester device that harnesses atmospheric water vapor using metal-organic frameworks and ambient sunlight. The device successfully collected up to 285g of water per kilogram of MOF in extreme environments, showcasing its potential for universal applicability.

Electrotherapy without surgery is possible

Researchers at Lund University have successfully developed temporary, organic electrodes that can be seamlessly integrated into biological systems. This breakthrough enables the possibility of bioelectronics being implanted in and removed from the body without surgery.

Advance of carbohydrate discovery in Polygonatum sibiricum

Researchers from Zhejiang University discovered that Polygonatum sibiricum is devoid of noticeable starch, with approximately 30% of its dry rhizome consisting of fructo-oligosaccharides. These findings could revolutionize the understanding of Polygonatum's nutritional value and product development.

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.

To close the gap at the top, start with the bottom

New research suggests NFL's Rooney Rule has limited impact due to biases in lower-level hiring and promotion. A recent study found persistent racial disparity in lower-level coaching positions, highlighting the need for equal rewards at early stages of careers.

COVID-19 may trigger new-onset high blood pressure

A new study finds SARS-CoV-2 infection significantly associated with development of high blood pressure in hospitalized adults. Persistent high blood pressure was more common in people with COVID-19 than influenza, highlighting potential long-term cardiovascular risk.

New research finds way to reduce bias in children

A study published in the Proceedings of the National Academy of Sciences found that explaining structural causes of inequality can diminish biased views in children. Researchers discovered that when children are told the high-status group created the rules, they report lower levels of bias and perceive the status hierarchy as less fair.

A “Jupiter” hotter than the Sun

Researchers report the discovery of a hot Jupiter-like object orbiting a nearby star, offering insights into extreme planetary and stellar evolution. The binary system's brown dwarf component reveals temperature differences of up to 6,000 degrees between its dayside and nightside hemispheres.

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.

Citizen scientists reveal how the common wasp spreads across UK

A study led by University College London researchers analyzed 393 wasp samples collected from citizen scientists and found a single population of the Common Wasp (Vespula vulgaris) across Britain. The findings demonstrate the wasp's ability to disperse itself widely, contributing to its success in human-modified environments.

Celestron NexStar 8SE Computerized Telescope

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

Moving the needle on monitoring skin cancer

Researchers developed a minimally invasive microneedle platform capable of detecting protein biomarkers in response to immunotherapy against melanoma. The approach integrates with ultra-sensitive single-molecule detection and shows promise for effective drug screening and patient stratification.

Adversities permanently change our brains

Neuroscientists found that adversities permanently alter brain structure and function, increasing the risk of psychiatric disorders. An aberrant reaction to adversities is related to anxiety symptoms, with potential predictive value for disorder development.

Ye receives National Science Foundation CAREER Award

Assistant Professor Jinwei Ye at George Mason University has been awarded a $600,000 NSF CAREER Award to develop polarization-based vision systems for autonomous navigation and smart manufacturing. The project aims to improve machine vision systems' capability in geometric and semantic scene understanding.

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.

Want to know how light works? Try asking a mechanic

Researchers at Stevens Institute of Technology use a 350-year-old mechanical theorem to explain complex behaviors of light waves, showing a direct relationship between entanglement and polarization. This connection enables the deduction of hard-to-measure optical properties from simpler light intensity measurements.

Strict tech rules at boarding school a bonus for teens’ sleep

A new study by University of South Australia researchers found that boarders get 40 minutes more sleep than day students due to fixed bedtimes and stricter technology policies. Despite improved sleep, teen boarders experience similar levels of stress, anxiety, and depression as their day peers.

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.

COVID-19 vaccines are effective against severe cases in children

A Murdoch Children's Research Institute-led review found COVID-19 vaccines are effective against severe cases of the disease in children and adolescents. However, with most children now having caught the SARS-CoV-2 virus and building up a natural immunity, the additional benefit of vaccination in healthy children is minimal. The review...

Estrogen-negative cancers respond to anti-estrogenic therapies

Researchers have discovered that estrogen promotes tumor growth in ERα-negative cancers, such as triple-negative breast cancer. Anti-estrogenic therapies, when combined with immune checkpoint inhibitors, drastically suppress tumor progression in mice models.

A new DNA drug to fight blood clots

Researchers at the University of Tokyo have developed a DNA-based anticoagulant that has shown promising results in test mice and may be ready for human trials soon. The treatment could provide a safer alternative to existing medications, such as heparin, which can cause severe bleeding side effects.

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.