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Science News Archive 2023


Page 284 of 444

A CRISPR-edited calf shows virus resistance

A gene-edited calf demonstrates reduced susceptibility to bovine viral diarrhea virus (BVDV) after intentionally altering the CD46 receptor with CRISPR/Cas9. The healthy calf showed no measurable infectious virus in its blood, despite both calves developing antibodies to the virus.

Apple iPhone 17 Pro

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

Improving wheat regeneration with novel DOF family transcription factors

Researchers have identified two novel DOF family transcription factors that enhance wheat regeneration and genetic transformation. These findings provide new insights into the transcriptional regulatory network involved in boosting wheat regeneration, offering opportunities for improving crop improvement.

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.

Basic ‘toolkit’ for organ development is illuminated by sea star

Scientists have defined a basic toolkit for forming tubular organs in animals, which is thought to be the foundation of organ development in vertebrates. The study uses the sea star as a model organism and reveals that cells can proliferate and migrate simultaneously during tube formation.

New research sheds light on how human vision perceives scale

Researchers from Aston University and the University of York discovered new insights into how the human brain makes perceptual judgments of the external world. They found that humans can exploit 'defocus blur' to infer perceptual scale, but this process is crude and more heuristic than metrical analysis.

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.

Beetles and their biodiversity in dead wood

Researchers found that beetles in dead wood diversity is influenced by energy types depending on their position in the food chain, with bottom-dwelling species benefiting from stored energy and top-dwellers responding to solar radiation.

Researchers track endangered Nassau grouper eggs with underwater microscope

Scientists tracked fertilized Nassau grouper eggs using an underwater microscope, finding that they stayed local in some years but drifted to nearby islands in others. The study reveals the importance of local reproduction and ocean currents in boosting populations and providing spillover benefits for neighboring islands.

Air pollution worsens movement disorder after stroke

A study found that air pollution, especially polycyclic aromatic hydrocarbons, increases neuroinflammation and worsens movement disorders in mice with ischemic strokes. This suggests that air pollution may be a contributing factor to decreased prognosis in stroke patients.

AI helps understand learning processes

Researchers used AI to study how the hippocampus produces varied replay types efficiently and their purpose. The model showed that sequences are prioritized stochastically according to familiarity and reward positions.

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.

Antibiotic-resistant bacteria contaminates whole ICU - study

A study published in The Lancet Regional Health - Western Pacific found that carbapenem-resistant Acinetobacter baumannii (CRAB) contaminated the entire ICU, with samples detected on bed units, ventilators, and equipment. The researchers highlight the urgent need for targeted infection prevention and control measures to stem the global...

Water warming study shows unexpected impact on fish size

A 24-year study of freshwater fish exposed to warm water pollution found changes in growth rates, death rates, and size. Despite expectations, the study revealed that warmer waters led to larger fish, contradicting general predictions of global warming's effects on natural ecosystems.

Synthetic sRNAs to knockdown genes in medical and industrial bacteria​

Researchers at KAIST have developed a new sRNA tool that can effectively inhibit target genes in various bacteria, including both Gram-negative and Gram-positive bacteria. The BHR-sRNA system was shown to suppress pathogenicity in antibiotic-resistant pathogens and improve industrial strains for high-value-added chemical production.

A key protein for repairing broken nerves

A study explores the role of dynamin protein DYN-1 in axonal fusion, revealing its ability to guide injury-induced reparative responses. Researchers found that DYN-1 regulates levels of fusogen, a transmembrane glycoprotein essential for physical repair of damaged axons.

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.

Extracting the best flavor from coffee

A study published in Physics of Fluids reveals that uneven extraction in coffee brewing can result in weaker espresso and affect its taste. The researchers found that a positive feedback loop between flow and extraction leads to more bitter flavors, making it essential to understand the origin of uneven extraction.

New Winship Cancer Institute at Emory Midtown opens for patients on May 9

The new Winship Cancer Institute at Emory Midtown offers a unique patient-centered, multidisciplinary cancer care model integrated with innovative research. The $200 million gift from the Robert W. Woodruff Foundation enabled the construction of a state-of-the-art facility featuring five 'care communities' and 80 inpatient beds.

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.

City, University of London technologists develop FatNet algorithm

Researchers at City, University of London have developed the FatNet algorithm, which enables efficient integration of deep learning models into optical accelerators. This breakthrough has significant implications for medical diagnoses, autonomous vehicle technology, and future computing.

Boosting the capacity and voltage of zinc-air batteries

Researchers at Tohoku University have developed a zinc-air battery with an open circuit voltage of over 2V, overcoming the major bottleneck for metal-air batteries. By arranging acidic/alkaline electrolytes in tandem, they were able to generate a higher voltage and improve output power density.

Data compression scheme facilitates measurement of blood flow to the brain

Researchers develop innovative data compression scheme to facilitate multispeckle diffuse correlation spectroscopy with high pixel resolutions, enabling non-invasive measurement of brain blood flow. The scheme uses field-programmable gate array compression to alleviate computational burdens and expand the use of SPAD cameras in biomedi...

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.

Change in breast density over time linked to cancer risk

Researchers found that women with denser breasts who developed cancer had slower declining density over time. The study suggests using past history of density in addition to current estimates to better understand risk levels and potentially identify which breast is at risk.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

A new theory of what drives partisan conflict and hostility

Researchers propose that societies flourish by both amassing and distributing resources, with conservatives focusing on accumulation and liberals prioritizing redistribution. The divide between these perspectives has led to growing hostility and disrespect between political opponents.

Routine screening for three genetic conditions is cost-effective, study shows

A new study finds that one-time genomic screening of adults aged 20-60 for hereditary breast and ovarian cancer syndrome, Lynch syndrome, and familial hypercholesterolemia is cost-effective based on quality-adjusted life-year measures. The study suggests that this approach could improve disease management and reduce healthcare costs.

Customizing T cell-based immunotherapies in a ‘SNAP’

University of Pittsburgh researchers created a universal receptor system allowing T cells to recognize any cell surface target. This enables highly customizable CAR T cell and other immunotherapies for treating cancer and diseases, with potential applications in solid tumors.

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.

Fighting racial bias in next-gen breast cancer screening #ASA184

Researchers developed a virtual framework to investigate the effectiveness of optoacoustic tomography for breast cancer screening in people with darker skin. The results confirmed that tumors can be harder to locate in individuals with darker skin, highlighting the need to optimize imaging systems to mitigate racial bias.

McMaster researchers find best treatment for excessive daytime sleepiness

A systematic review of 14 clinical trials found solriamfetol to be the most effective treatment for excessive daytime sleepiness (EDS) in people with obstructive sleep apnea (OSA). Anti-fatigue medications like solriamfetol, armodafinil–modafinil, and pitolisant also showed promise in combating fatigue.

Program Announced for NUTRITION 2023 to be held July 22–25 in Boston

NUTRITION 2023 will cover the latest developments in nutrition science, with over 1,800 original research studies submitted for presentation. The event brings together nutritional professionals from around the globe to discuss key topics such as sustainable diets and their impact on health.

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.

No need for a leaky mode at the picometer level for microtapers

Researchers from Zhejiang University have developed a compact spectrometer that integrates multiple taper tips for hyperspectral imaging. The spectrometer utilizes complex leaky modes speckles projected from a curved microfiber taper tip to uniquely determine the wavelength of the input signal.

Strong link between bone biomarkers and prostate cancer survival

A new study found a strong link between bone biomarkers and survival rates in men with hormone-sensitive prostate cancer treated with hormone therapy. The research, published in European Urology, analyzed results from a large clinical trial and found that elevated bone biomarkers were associated with an increased risk of death.

Fluke 87V Industrial Digital Multimeter

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

McMaster researchers find best treatment for excessive daytime sleepiness

Researchers at McMaster University have found that solriamfetol is the most effective treatment for excessive daytime sleepiness (EDS) in individuals with obstructive sleep apnea (OSA). A systematic review of 14 clinical trials and analysis of data from various databases revealed solriamfetol to be the best option.

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.

Not all statins are created equal

Researchers used computational tools and medical record analysis to investigate the effects of statin drugs on COVID-19 patients. They found that only certain statins, including simvastatin and atorvastatin, reduced mortality risk in COVID-19 patients, while others had no effect.

Tracking whales as they cruise the Arctic

Scientists have successfully tracked fin whales using fibre-optic cables in the Norwegian Arctic archipelago of Svalbard. The system, called Distributed Acoustic Sensing (DAS), allows for simultaneous location and tracking of whales over an 1800 km² area with relatively low infrastructure investment.

Researchers publish findings from ‘super-resolution’ imaging technology

A team of researchers from the University of Oklahoma and Yale University has developed a super-resolution imaging platform technology to visualize nanoparticles within cells. The technique, called expansion microscopy, enables 3-D imaging with resolutions as low as 10 nanometers, allowing for safer and more efficient nanomedicines.

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.