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Science News Archive March 2021


Page 34 of 53

Electricity could help speed wound healing, new study shows

A new study published in Lab on a Chip suggests that electrical stimulation can increase blood vessel permeability, potentially speeding up the wound healing process. This increased permeability allows white blood cells and oxygen to reach injuries more efficiently.

Paleontology: Microscope helps with dinosaur puzzle

Researchers from the University of Bonn have developed a new method to identify and separate individual dinosaur fossils by analyzing bone tissue. By examining the growth patterns, vascularization, and annual rings in fossilized bones, scientists can now determine whether a particular bone belongs to a specific animal or skeleton.

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.

Does your child have MIS-C, COVID-19 or Kawasaki disease?

MIS-C is a rare but life-threatening condition that can cause severe inflammation in organs like the heart, brain, lungs, kidneys, and gastrointestinal system. Diagnosing and treating MIS-C requires accurate differentiation from severe COVID-19 and Kawasaki disease.

Preterm birth, prolonged labor influenced by progesterone balance

A new study found that unbalanced progesterone signals may cause preterm labor or prolonged labor in pregnant women. The researchers used genetically engineered mouse models to alter the ratio of PGR-A and PGR-B signaling in the uterus, identifying key biological pathways influenced by both forms.

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.

NIH awards grants to support bacteriophage therapy research

The NIH has awarded grants to support research on bacteriophage therapy, an emerging field that could yield new ways to fight antimicrobial-resistant bacteria. Researchers will study the interaction between phages and bacteria to create lasting, re-usable therapeutics.

Air pollution: The silent killer called PM2.5

The study found that many regions with high air pollution don't measure PM2.5 levels and have weak standards, while places like Canada and Australia have strict enforcement. High population density is not a barrier to fighting air pollution successfully, as seen in countries like Japan and Singapore.

Extinction cascading through ecosystems could spell trouble for humans

A study published in Nature Communications reveals that even if ecosystem services themselves aren't directly threatened, they can become vulnerable to secondary extinctions when surrounding species go extinct. This highlights the need to protect key species that support these services to mitigate indirect threats.

Apple iPhone 17 Pro

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

Computing clean water

Computational models predict solute-surface affinity, allowing for more effective membrane design and improved energy efficiency. Researchers discovered that surface water molecular structures play a crucial role in determining affinity.

Laser-driven experiments provide insights into the formation of the universe

Researchers have captured the time history of magnetic field growth in a lab setting using laser-driven experiments. The findings suggest that turbulent dynamo mechanism amplifies magnetic fields rapidly, exceeding theoretical expectations and potentially explaining the origin of large-scale fields in galaxy clusters.

AI analysis of how bacteria attack could help predict infection outcomes

A team of scientists has developed an AI model that can predict the success of bacterial infections by analyzing the interactions between different effectors. The study found that even if some effectors are removed, the infection can still take hold due to the inherent strength and flexibility of the effector network.

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.

New tool to dissect the "undruggable"

Researchers at Harvard University have designed a new highly-selective tool to study proteins that are difficult to target with drugs, known as 'undruggable' proteins. The tool uses a nanobody to add or remove specific sugars from proteins, providing a detailed understanding of their function.

Loss induced nonreciprocity

Researchers propose using energy loss to induce nonreciprocity, breaking Lorentz reciprocity theorem and time-reversal symmetry. This approach enables unidirectional energy transmission between main resonance modes without requiring gain, nonlinearity or magnetic fields.

Robots learn faster with quantum technology

Researchers have successfully demonstrated a significant speed-up in robot learning time using quantum physics, enabling machines to learn faster and make better decisions. This breakthrough has promising implications for the development of autonomous systems.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

The secrets of the best rainbows on Earth

Researchers found that Hawaii's location in the subtropical Pacific, combined with its mountains and clean air, create an ideal environment for frequent rainbow sightings. The new RainbowChase app, developed by Dr. Steven Businger, uses Doppler radar data and satellite images to alert users of favorable conditions.

How the habitability of exoplanets is influenced by their rocks

Researchers found that weathering rates and atmospheric composition are crucial for a planet's habitability. Geochemistry plays a key role in determining the balance between radiation and liquid water, with extreme temperatures potentially altering this balance.

Climate change influences river flow

A recent study by ETH Zurich reveals that climate change has a globally visible influence on rivers, with complex patterns emerging worldwide. The research analyzed data from 7,250 measuring stations and found that river flow changed systematically between 1971 and 2010.

Head injuries may worsen cognitive decline decades later

A recent study published in Annals of Clinical and Translational Neurology found that head injuries in people under 50 can lead to lower cognitive scores at age 70. The researchers discovered a small but significant impact on brain health and thinking skills, potentially accelerating the normal aging process.

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.

Distant planet may be on its second atmosphere, NASA's Hubble finds

Scientists using NASA's Hubble Space Telescope have discovered a distant planet, GJ 1132 b, that may have lost its atmosphere but regained a second one. The team believes the current atmospheric hydrogen is being slowly released through volcanic processes to form a new atmosphere.

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.

New analysis of 2D perovskites could shape the future of solar cells and LEDs

Researchers at the University of Surrey have developed a new analysis of 2D perovskites, which could improve the stability of next-generation solar cells and LEDs. By combining lead with tin, they were able to reduce toxic lead quantities and tune key properties, leading to enhanced performance in photovoltaics and light-emitting diodes.

Starting small to answer the big questions about photosynthesis

Scientists are opening up photosynthesis to nanoscale investigation using a novel approach that combines hybrid membranes with advanced microscopy techniques. This research aims to reveal the behavior of individual protein molecules and gain a deeper understanding of how proteins interact to convert sunlight into chemical energy.

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.

A monumental particle accelerator in the Cygnus Cocoon

The Cygnus Cocoon is found to be the most powerful of our galaxy's known natural particle accelerators, with photons recorded from energies up to one hundred teraelectronvolts. The HAWC observatory detected this phenomenon, suggesting that protons accelerated in stellar winds could be responsible for high-energy gamma photon emission.

A new model predicts snakebites to save human lives

Researchers at Tel Aviv University developed a simulation model predicting snakebites based on interactions between farmers and snakes. The model was found accurate in Sri Lanka and plans to be implemented in other regions to reduce snakebite deaths by 50% by 2030.

Meta Quest 3 512GB

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

Tracking cosmic ghosts

The IceCube Neutrino Observatory uses a one cubic kilometer block of ice in Antarctica to track high-energy particles called neutrinos. The observatory enables the detection of new cosmic events, such as a recent Glashow resonance event detected by IceCube, which validated the Standard Model of particle physics.

New study finds shared origins for individual chronic diseases in multimorbidity

A new study published in Nature Medicine has identified key risk factors that increase the likelihood of individuals developing multiple non-communicable diseases. The analysis found that underlying biological links exist in individuals with multimorbidity, which is a growing public health challenge. The researchers also identified pot...

Changing defaults can have a significant and lasting effect

Research at ETH Zurich found that defaulting to green electricity increased demand by over 80% in private households, with a significant impact on business customers as well. Despite higher costs, the majority of customers stuck with green options, demonstrating the lasting effect of default settings.

Celestron NexStar 8SE Computerized Telescope

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

New approach found for energy-efficient AI applications

Scientists have found a way to reduce energy consumption in deep neural networks, paving the way for more efficient AI hardware. The approach uses simple electrical impulses instead of complex numerical values, maintaining high accuracy.

Optimal design for acoustic unobservability in water

Researchers at Shinshu University have developed an acoustic cloaking structure that can operate in both air and water. The design uses finite element analysis to optimize the material selection and acoustics properties, enabling functionality in a wide frequency band.

Pure promethium: ORNL extracts in-demand isotope from plutonium leftovers

Researchers at Oak Ridge National Laboratory have successfully extracted the rare and valuable isotope promethium-147 from plutonium waste. This process not only reduces disposal costs but also provides a new source of the isotope, which has applications in nuclear batteries, medical imaging, and space exploration.

How India's rice production can adapt to climate change challenges

A University of Illinois study suggests that India's rice farmers can increase production while reducing water usage by adopting conservation practices like direct-seeding and soil conservation technology. The researchers also recommend reducing post-harvest losses to further increase crop availability.

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.

CHOP researchers reveal how critical part of lung forms at cellular level

Researchers from Children's Hospital of Philadelphia have determined the process of lung alveolus formation and identified signaling hubs that coordinate cell development. The study provides crucial insights into developing therapies to regenerate critical lung tissue and repair damaged tissue at a cellular level.

The important role of music in neurorehabilitation: Filling in critical gaps

Researchers highlight the effectiveness of music-based interventions in neurorehabilitation, including improvements in sensorimotor, speech/language, and cognitive functions. Studies show that music therapy can enhance executive functioning, affective responding, and motor skills in patients with post-stroke cognition and autism.

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.

Sonic Dirac points and the transition towards Weyl points

Scientists create and experimentally realize a pair of class I acoustic 3D Dirac points, demonstrating surface state dispersion evolution toward Weyl points. The team also designs pseudospin-polarized interface states with chirality inversion, inspiring topological device design.

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.

The mystery of the missing energy - solved

Scientists at Linköping University discover where unexplained energy losses occur during singlet fission, a phenomenon that can increase solar cell efficiency. The breakthrough could lead to higher efficiency rates, from 33% to over 40%, making solar cells more sustainable.

Learning to help the adaptive immune system

Researchers at The University of Tokyo used artificial intelligence to show that T helpers in the adaptive immune system act like a neural network, optimizing responses to pathogens. The study may lead to improved vaccine development and stronger immune responses.

Hip fracture outcomes worse during busy periods

A recent study published by the Norwegian University of Science and Technology found that elderly patients are at greater risk of dying from hip surgery if surgeons are in a hurry. During busy periods, patients have to wait an average of 20% longer before being operated on, which can lead to serious consequences.