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Science News Archive 2023


Page 337 of 444

AI shows the need for healthier diets in long-term care homes

A new AI tool analyzed food consumption data from over 600 residents in long-term care homes, revealing a need for improved dietary habits. The study suggests that a diet rich in whole grains, plant-based proteins, and plain fruits and vegetables can help reduce inflammation and improve clinical outcomes.

Most of biological life appears to be either small (10-15g) or large (around 107g), though there is substantial uncertainty around body size and biomass across terrestrial, marine and subterranean species

According to a recent study, most biological life falls within these two extreme sizes, with substantial uncertainty surrounding body size and biomass across different environments. The research suggests that this pattern may be due to various factors such as energy efficiency and adaptability.

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.

Energy-efficient and customisable inorganic membranes for a cleaner future

Researchers at NUS developed a new synthesis strategy for highly efficient inorganic membranes, offering maximum energy efficiency and customization. These freestanding membranes have the potential to transform industries beyond filtration and separation, including energy conversion, catalysis, and sensing.

Hold your horseshoes: Paper shows shoeing improves gait quality

A study by UConn researchers found a significant improvement in shod horses, with better movement and reduced lameness scores. Shoeing with plain stamp shoes improved maximum hock angles and gait quality, indicating potential benefits for athletic performance.

How whale shark rhodopsin evolved to see, in the deep blue sea!

Researchers at Osaka Metropolitan University discovered that whale shark rhodopsin can detect blue light, a common wavelength in the deep-sea environment. The unique adaptation allows the whale shark to thrive in low-temperature and low-light conditions, but also makes it less thermally stable.

Celestron NexStar 8SE Computerized Telescope

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

Groundbreaking lymphoma tumor model paves way for new therapies

Researchers at Georgia Institute of Technology developed a synthetic tumor model to understand the impact of microenvironment on targeted therapies for Activated B Cell-like Diffuse Large B cell lymphoma. The model showed promise in demonstrating how combining therapeutics can overcome tumor resistance to inhibitors.

Apple iPhone 17 Pro

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

Ancient African empires’ impact on migration revealed by genetics

A new study led by UCL researchers found evidence of ancient empires' impact on migration in Africa, revealing genetic traces from across the continent. The study used DNA data from over 1,300 individuals from 150 ethnic groups, identifying migrations linked to empires like Kanem-Bornu and Aksum.

Chiral magnetic domain walls control the quantum anomalous hall effect

Recent studies using first-principles calculations and micromagnetic simulations have shown that chiral magnetic domain walls can coexist with the quantum anomalous Hall effect in specific materials, such as VSe2 and Fe2XI. This control enables precise manipulation of dissipationless chiral edge states.

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.

Study: “Safer” PFAS in food packaging still hazardous

A recent study found that polymeric PFAS used in food packaging break down into toxic smaller molecules, contaminating food and the environment. The research contradicts claims that polymeric PFAS are harmless and poses a risk to human health.

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.

Probe where the protons go to develop better fuel cells

A team led by Professor Yoshihiro Yamazaki from Kyushu University discovered the chemical innerworkings of a perovskite-based electrolyte developed for solid oxide fuel cells. By combining synchrotron radiation analysis, large-scale simulations, machine learning, and thermogravimetric analysis, they found that protons are introduced at...

Drugs against drought

Scientists from CSIC and UPV create modified ABA receptor activated by iSB09 molecule, increasing drought tolerance in plants. The combination efficiently activates the ABA pathway, triggering adaptive mechanisms and reducing water loss.

New Geology articles published online ahead of print

Researchers investigated life and death of a West Antarctica subglacial lake and found evidence for Caribbean plate subduction in southern Costa Rica. Additionally, studies examined oxygenation in Earth's oceans and explored the control of Cambrian paleotopography by Precambrian crustal-scale features.

Extinction of steam locomotives derails assumptions about biological evolution

A team of paleontologists used the history of steam engines to test competitive exclusion theory, finding limited evidence supporting its role in extinction. The researchers analyzed data on tractive effort, revealing that newer engines generated more power, making steam locomotives less efficient and eventually obsolete.

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.

Spotting the brightest gamma-ray burst ever recorded

The Swift Observatory team, led by Maia Williams, detected the brightest gamma-ray burst ever recorded, GRB 221009A. The burst was incredibly bright and had an afterglow that was more than 10 times brighter than any previous observation.

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.

Even Sonoran Desert plants aren’t immune to climate change

A new study reveals that even drought-tolerant species in the Sonoran Desert are declining and shifting downwards due to warmer temperatures. Plants with shallower root systems and faster growth rates, such as brittlebush and ocotillo, are better adapted to the changing climate.

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.

Psychedelics and Cognition: A New Look

A recent renaissance in psychedelic research investigates the cognitive effects of these drugs, shifting from mathematical modeling to behavioral and clinical studies. Studies have found that psychedelics can increase spontaneous creative insights while decreasing task-specific creativity, as well as affect memories in a malleable way.

Researchers discover two subtypes of insulin-producing cells

Two new subtypes of insulin-producing beta cells, ß <sub> HI </sub> and ß <sub> LO </sub>, have been identified with distinct characteristics. The study suggests epigenetic dosage as a driving force behind the decision of ß cells to become these subtypes, offering a new target for potential diabetes treatments.

New articles for Geosphere posted early online

Two new studies examine the Late Triassic tectonic stress field of the southwestern Ordos Basin and its implications for regional geology. The research also explores a new Cambrian stratigraphic unit in the Grand Canyon, USA, and the progressive unroofing of the Big Maria and Riverside Mountains in southeastern California.

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.

Story tip: Plant, microbe matchmaking for better bioenergy crops

Researchers at Oak Ridge National Laboratory identified specific proteins that regulate plant-microbe signaling, enabling plants to distinguish beneficial microbes from disease-causing ones. This breakthrough could accelerate gene function identification and improve crop performance in sustainable bioenergy crops.

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.

Separated at last

A team of physicists and physical chemists from the University of Würzburg and the University of Ottawa has developed a new method to separate single and multiple excitations in laser spectroscopy. This breakthrough resolves a decades-old problem, enabling accurate analysis of materials and fundamental physical phenomena.

Candidate found to inhibit malignant melanoma growth

Researchers at Osaka Metropolitan University have discovered that CD9-positive exosomes derived from cancer-associated fibroblasts can inhibit the growth of malignant melanoma cells. This finding holds promise for developing new treatments for skin cancer.

Climate change threatens lemurs on Madagascar

A study published in PNAS found that climate change is destabilizing mouse lemur populations on Madagascar, increasing their risk of extinction despite high reproductive output. The data analysis revealed opposing trends of rising mortality and reproductive rates, which have prevented population collapse but accelerated the life cycle.

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.

Association of daily step patterns with mortality in adults

A study of 3,101 adults found that taking 8,000 steps or more per day, even just a couple days a week, can have meaningful health benefits and lower mortality risk. The findings suggest that regular physical activity can have a positive impact on overall health.

How to prepare for ocean acidification, a framework

An international research team has developed a framework to evaluate government preparedness for ocean acidification, a pressing threat to marine ecosystems. The framework identifies six aspects of effective policy and specific indicators, enabling policymakers to assess their own preparedness and identify areas for improvement.

The powerhouse of the future: Artificial cells

Researchers at Sogang University and Harbin Institute of Technology developed artificial mitochondria and chloroplasts to create sustainable cells. These organelles can produce energy through sunlight or glucose breakdown.

Meta Quest 3 512GB

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

Generating power with blood sugar

A team of researchers at ETH Zurich has created an implantable fuel cell that uses excess blood sugar to generate electrical energy. The device powers artificial beta cells that produce insulin, effectively regulating blood glucose levels.

Highly charged ions melt nano gold nuggets

Scientists at TU Wien have developed a technique to control the shape and size of nano gold structures using highly charged ions. The experiment shows that the impact force is not the decisive factor, but rather the electrical charge of the ions, which deposits energy at the point of impact and disrupts the crystal structure of the gold.

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.