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Science News Archive June 2023


Page 8 of 40

D-amino acids play a role in stress-induced response in cholera bacterium

Researchers at Umea University discover new role for D-amino acids in stress-driven bacterial chemotaxis, revealing complex ecological systems and potential strategies to manipulate bacterial populations. D-Arginine plays a multifaceted role in shaping microbial communities and influencing niche selection.

Fondant: Where baking and thermodynamics mix

Researchers studied fondant creation using automated kneading machines and light microscopy, linking it to theoretical physics models. The team found that different preparation methods influence fondant structure and texture, enabling better prediction and control.

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.

Penn State researchers develop digital test to directly measure HIV viral load

A digital assay called STAMP has been developed to directly measure the presence of HIV in single drops of blood, providing a more efficient and accurate alternative to traditional methods. The test uses CRISPR-Cas13 technology to detect and signal the presence of HIV, allowing for real-time monitoring of viral loads.

Brain imaging-based biomarker of depression identified

Researchers used brain imaging to identify multiple subtypes of depression, finding distinct deviation patterns in functional connectivity among brain regions. This study provides leads for developing better treatments and personalized therapeutic interventions.

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.

How secure are voice authentication systems really?

Researchers at the University of Waterloo discovered a method to bypass voice authentication security systems with high accuracy. They found that malicious actors can generate convincing copies of a victim's voice using deepfake software, evading existing spoofing countermeasures.

Rogel Cancer Center awarded $37M from NCI

The Rogel Cancer Center has received a $37 million National Cancer Institute grant to support its comprehensive cancer research and treatment programs. The center, one of the top-ranked in Michigan, will continue to improve outcomes for cancer patients and survivors with innovative research and treatments.

What math can teach us about standing up to bullies

A game theory study from Dartmouth College reveals that being uncooperative can lead to a more equal outcome, even for the weaker party. By refusing to fully cooperate, players can resist extortion and ultimately achieve a better payoff.

Apple iPhone 17 Pro

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

MD Anderson Research Highlights for June 27, 2023

Researchers at MD Anderson Cancer Center have identified disparities in end-of-life immunotherapy treatment, highlighting the need for further examination to ensure quality care. A new study also reveals a novel target to improve immunotherapy responses in KRAS-mutant lung cancer and strategies to manage immune-related toxicities.

Researchers’ warning on childhood vaccination target

A third of under-fives attending Paediatric Emergency Departments have unmet vaccination need, with tetanus and MMR vaccination coverage levels below target. Researchers call for catch-up campaigns to reach this vulnerable group.

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.

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.

Blue supergiants observed in detail

A team of researchers has analyzed 750 blue supergiant stars, offering insights into their evolutionary nature and physical properties. The study provides a comprehensive understanding of this critical phase in the lives of massive stars.

SciOpen signs new food science journal

Food Science of Animal Products, a new journal published by Tsinghua University Press on SciOpen, offers authoritative platform for animal-origin foods research. The journal features innovative technological breakthroughs and provides an outlet for scholars to publish scientific theories.

DPDT anticancer activity in human colon cancer HCT116 cells

The study investigates the effects of DPDT on human colon cancer HCT116 cells and non-tumorigenic MRC5 fibroblasts. The results show that DPDT preferentially targets HCT116 cells, inducing apoptosis and G2/M cell cycle arrest, likely through DNA topoisomerase I poisoning.

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.

DNA discovery may assist in fight against aggressive cancer

Researchers have discovered abnormalities in the DNA instruction code that lead to the aggressive spread of colorectal cancer. By studying DNA methylation levels, they identified unique gene regions associated with liver metastasis and found a link between these changes and cancer cell aggression.

American Dental Association releases new tooth decay treatment guideline

The American Dental Association's new clinical practice guideline recommends conservative carious tissue removal (CTR) as an effective treatment option for moderate and advanced tooth decay. CTR involves removing most, but not all, of the decayed tissue before sealing the tooth with a filling or cap, which stops tooth decay.

Lean body mass, age linked with alcohol elimination rates in women

A new study found that women's lean body mass and age significantly impact their ability to eliminate alcohol from the bloodstream. Women with obesity and those who are older have a faster rate of alcohol elimination compared to healthy-weight women and younger individuals.

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.

Tuning T cell traits and functions with biomechanical materials

A research team at the Wyss Institute engineered a 3D model of extracellular matrix to study the impact of tissue mechanics on T cells. They found that viscoelasticity played a crucial role in shaping T cell traits and functions, enabling the creation of functionally distinct T cell populations for adoptive therapies.

Webb makes first detection of crucial carbon molecule

A team of international scientists has detected methyl cation, a crucial carbon compound, in a young star system using the James Webb Space Telescope. The discovery confirms the importance of CH3+ in interstellar chemistry and suggests that UV radiation may play a critical role in the early chemical stages of life.

Study finds human impact on wildlife even in protected areas

A large-scale camera-trap survey reveals that tropical mammals living inside protected areas are not spared the effects of human activity, with specialist species thriving near low-density habitats and generalist species benefiting from diverse environments. The study informs biodiversity policy and highlights the importance of conside...

Fluke 87V Industrial Digital Multimeter

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

New geochemistry research confirms megalodon shark was warm-blooded

A new study published in the Proceedings of the National Academy of Sciences confirms that the Megalodon shark was warm-blooded, with a body temperature estimated at around 27°C. This discovery provides empirical evidence for the extinct species' internal heat production, shedding light on its biology and ecological role.

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.

Don’t wait, desalinate: a new approach to water purification

Researchers at the Beckman Institute developed a new purification system that uses an electrified version of dialysis to separate salt and other unnecessary particles from wastewater. The method saves money and saps 90% less energy than its counterparts, making it a promising solution for global water scarcity.

Novel single crystals show promising electric field control of magnetism

Researchers grew single crystals of multiferroic material BiFeO3-based solid solutions near the morphotropic phase boundary and found substantial control of magnetism with low electric fields. High magnetic fields weakened the converse magnetoelectric effect due to suppression of phase transformation.

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.

Society of Nuclear Medicine and Molecular Imaging announces 2023 fellows

The Society of Nuclear Medicine and Molecular Imaging has recognized ten new SNMMI Fellows, including Virginia Pappas as an honorary Fellow, for their excellence in volunteer service and scientific discovery. The SNMMI Fellowship is among the most prestigious formal recognitions available to long-time members.

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.

Breakthrough boosts quantum AI

A new theoretical proof shows that overparametrization enhances performance in quantum machine learning, allowing for enhanced learning and classification tasks. The Los Alamos team developed a framework to predict the critical number of parameters at which a quantum machine learning model becomes overparametrized.

Research Brief: Investing in nature improves equity, boosts economy

A new study finds that investing in nature can turn economic losses into gains, especially for the world's poorest countries. The research combines a global economic model with ecosystem service models to capture interactions between humans and the environment, highlighting the importance of public goods and services provided by nature.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Exposure to environmental chemicals linked to thyroid complications

A study by Brigham and Women's Hospital found associations between phenol biomarkers and altered thyroid hormone levels in women attending a fertility clinic. The presence of certain environmental chemicals, such as bisphenol A and triclosan, was linked to changes in thyroid function, potentially affecting female fertility.

Study: Potential new treatment identified for liver disease

Researchers have identified a potential new drug that improves both liver fibrosis and inflammation in patients with nonalcoholic steatohepatitis (NASH). The drug, Pegozafermin, mimics the body's natural hormone FGF21, controlling energy use and lipid metabolism in the liver.

Novel study deepens knowledge of treatment-resistant hypertension

A recent study published in the peer-reviewed journal Hypertension found that apparent resistant hypertension (aRH) is more common than previously reported, affecting nearly 1 in 10 hypertensive patients. Investigators also discovered that patients with well-managed aRH are more likely to be treated with mineralocorticoid receptor anta...

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.

New research clarifies connection between autism and the microbiome

A recent study published in Nature Neuroscience clarifies the connection between autism and the microbiome, identifying autism-specific metabolic pathways associated with particular human gut microbes. The analysis, which harmonized dozens of previously published datasets, reveals a common microbial signature distinguishing autistic fr...