Bluesky Facebook Reddit Email

Science News Archive 2023


Page 276 of 444

Apple iPhone 17 Pro

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

Dementia study reveals how toxic proteins spread through brain

Researchers have discovered that toxic proteins, known as tau oligomers, are transported through synapses and contribute to the decline in brain function. The study found small clumps of tau oligomers inside synapses, which can spread through the brain and lead to neuron death.

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.

A passage of light leading to a path for a solution

A team of researchers successfully controlled 'trions,' a breakthrough toward developing revolutionary optical communication technology. They used a nanoscale plasmonic waveguide to create high-purity trions, which offer advantages over excitons in practical device applications.

Out of this world control on Ice Age cycles

A research team used an improved climate computer model to reproduce the glacial cycle of 40,000-year in the early Pleistocene Epoch. The study found that astronomical forces based on modern state-of-the-art theory drove changes in climate, with small differences in Earth's spin axis orientation and orbit amplitude determining the glac...

Monkeypox viruses relatively stable on surfaces

Researchers found that monkeypox viruses remain infectious for a long time on surfaces, with some concentrations dropping significantly after five days. Disinfectants like alcohol-based and aldehyde-based cleaners reliably reduced the risk of infection.

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.

When to withdraw care in severe traumatic brain injury

A survey of over 40 experts found that many panelists infrequently use prognostic calculators and feel that improving consensus on acceptable neurological outcomes would be beneficial. Most panelists believed that a vegetative state or lower severe disability could justify withdrawing care.

The number of the world's farms to halve by 2100, study shows

A study published in Nature Sustainability predicts the number of farms worldwide will drop from 616 million in 2020 to 272 million in 2100. This decline is linked to a doubling in farm size as people migrate to urban areas, threatening biodiversity and food supply.

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.

Trace analysis of blood samples

A novel fluorescence probe successfully quantifies trace components like hydrogen sulfide in whole blood, overcoming autofluorescence interference. The probe uses a borodipyrromethene-based dye that quenches the interfering light, allowing for accurate measurements.

IU researchers find link between obesity and blood cancer

Researchers at Indiana University School of Medicine discovered a strong association between obesity and clonal hematopoiesis of indeterminate potential (CHIP), a blood condition that increases the risk of blood cancer. The study found that obesity causes inflammation, which can lead to rapid growth of mutated blood cells.

Astronomers discover first extrasolar radiation belt

Scientists have discovered the first-ever extrasolar radiation belt, orbiting the brown dwarf LSR J1835+3259. The discovery reveals that this magnetic structure is filled with extremely high-energy electrons and charged particles, sparking new questions about the universality of such phenomena.

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.

Chipps appointed to federal Nuclear Science Advisory Committee

Kelly Chipps, a nuclear astrophysicist at Oak Ridge National Laboratory, has been appointed to the Nuclear Science Advisory Committee. The committee provides official advice to DOE and NSF on issues relating to basic nuclear science research. Chipps brings extensive expertise in nuclear physics and leadership experience to this role.

Can’t find your phone? There’s a robot for that

Researchers at the University of Waterloo have developed a robot system that uses artificial intelligence to track objects, including medication and glasses. This technology has shown high accuracy in locating everyday items, potentially improving the quality of life for individuals with dementia.

Chemists unravel reaction mechanism for clean energy catalyst

Researchers at Brookhaven Lab used pulse radiolysis to study a key class of water-splitting catalysts, revealing the direct involvement of ligands in the reaction mechanism. The team discovered that a hydride group jumped onto the Cp* ligand, proving its active role in the process.

Simulation provides images from the carbon nucleus

Researchers simulated all known energy states of the carbon nucleus, providing insights into the puzzling Hoyle state and its configuration. The study reveals that protons and neutrons are clustered into groups, creating spatial formations with distinct shapes and energies.

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.

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.

A new workflow to standardize fossil pollen datasets for ecological research

A new guide has been created to standardize fossil pollen datasets, enabling researchers to compile and analyze large-scale syntheses of palaeoecological data. The FOSSILPOL workflow and R-package provide a step-by-step process for handling data preparation, ensuring good data quality and minimizing erroneous interpretations.

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.

Apochromatic X-ray focusing

Researchers developed apochromatic X-ray lenses with sub-micrometer accuracy, achieving focus over an X-ray energy range from 7 to 12 keV. The technology holds promise for laboratory and accelerator-based applications in materials science, energy sciences, and biology.

‘A smarter kinder approach to treatment’ for anal cancer

A recent clinical trial, PLATO, demonstrated that lowering the dose and duration of radiotherapy treatments for anal cancer reduces side effects without compromising cancer cure rates. The treatment involves intensity modulated radiotherapy (IMRT), which allows for personalized doses to be applied to visible tumors.

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.

Paper-based packaging has a good eco-image

A study by the University of Bonn found that paper-based packaging received significantly better environmental scores than bioplastics, but respondents were skeptical about its practicality. Meanwhile, conventional plastic packaging scored worst on eco-friendliness.

Tetris reveals how people respond to unfair AI

A Cornell University-led study using the Tetris game found that players who receive fewer turns perceive their partner as less likable, regardless of whether a human or AI allocates the turns. The researchers also discovered that machine allocation behavior can lead to worse performance and gameplay when fairness is not guaranteed.

Superconductivity with Tc as high as 32 K was found in borides

Researchers at ShanghaiTech University and Renmin University of China discovered superconductivity up to 32 K in MoB2 under pressure, exceeding previous records. The findings highlight the role of transitional metals in borides' superconductivity and pave the way for exploring high-Tc superconductors.

Crushed clams, roaming rays: acoustic tags reveal predator interactions

A longitudinal study using acoustic telemetry monitored rays in clam leases, finding that rays spent more time near sites than reported, but not necessarily preferring them. The study highlights the need to understand if clam leases are part of rays' natural foraging habitats and if they interact with the clams.

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.

New algorithm can predict diabetic kidney disease

Researchers developed a computational approach to predict diabetic kidney disease using DNA methylation markers from a blood sample. The model can use this information to assess current and future kidney function, enabling early detection and prevention of kidney disease in people with type 2 diabetes.

From theory to experiment, multi-site turbulence observation is no longer limited by the assumptions of steady-state turbulence, horizontal uniform turbulence flux and constant flux layer

Researchers have developed a method to analyze regional turbulence structure and estimate turbulence spectra using long time series data from four-site observations. This approach overcomes previous assumptions of steady-state turbulence, horizontal uniform turbulence flux, and constant flux layer, providing more representative results.

Smartphone use goes up in city parks, but down in forests

A study of 700 participants found that time outdoors doesn't always reduce smartphone screentime. However, visits to nature reserves or forests saw significant declines in screentime compared to urban locations. Participants who visited wilder areas spent more time disconnected from their smartphones and regained attention.

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.

Coastal lights trick coral reefs into spawning earlier than they should

A new study found that coastal light pollution causes corals to spawn one to three days closer to the full moon, reducing the likelihood of fertilized eggs surviving and producing new adult corals. This disrupts the natural spawning cycle, which is critical for reef recovery after mass bleaching events.

Great inequality in international athletics

Athletes from less affluent countries face significant barriers in preventing injuries due to lack of health education and medical expertise. A new study reveals stark inequalities in support resources between international competitors.

NIH renews training grant for $3.9 million

The T32 program has trained 110 fellows in research on aging over the past 25 years, leading to faculty positions, biotech jobs, and scientific publications in top journals. The grant renewal highlights the program's success in increasing human healthspan and its impact on the Bay Area aging community.

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.

Managing menopause: Hormone therapy is back

Menopausal hormone therapy is recommended as a first-line treatment for women without risk factors, offering relief from hot flashes and other symptoms. Non-hormonal therapies can also help alleviate symptoms in those with risk factors or preferring alternative options.

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.

Understanding crop pest evolution may boost biocontrol

Scientists have discovered an ancestral olfactory receptor in the Egyptian cotton leafworm that recognizes the female sex pheromone blend. This finding may lead to the development of new biocontrol methods by targeting specific receptors and blocking pheromone activation.