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Science News Archive August 2017


Page 22 of 41

Why the definition of polycystic ovary syndrome harms women

Australian scientists argue that the current PCOS definition brings no clear benefit to women, despite higher levels of depression, anxiety, and negative body image. The authors recommend reevaluating diagnosis and treatment based on individual characteristics and symptom severity.

Navigation and spatial memory: New brain region identified to be involved

Researchers have discovered a new brain area, the retrosplenial cortex, that plays a crucial role in spatial memory and navigation. This finding could lead to a better understanding of how our brains process spatial information and may shed light on neurological conditions such as Alzheimer's disease.

Meta Quest 3 512GB

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

Genetic variants found to play key role in human immune system

A new study published in Nature Communications reveals genetic variants that affect the immune response to infections, linking genetics and environment to disease risk. The research identified hundreds of genes where gene expression changes depend on individual genetic variants, shedding light on the genomic elements underlying immune ...

Superconductivity research reveals potential new state of matter

Researchers report finding similarities among classes of materials with phenomena like electronic symmetry breaking, which helps establish essential ingredients for novel functionalities. A new nematic-like state is observed in heavy-fermion superconductor CeRhIn5, correlating with unconventional superconductivity.

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.

Popular immunotherapy target turns out to have a surprising buddy

Researchers at the Netherlands Cancer Institute discovered that PD-L1 is stabilized by protein CMTM6, making it a potential new therapeutic target for cancer treatment. This finding may also improve the prediction of treatment success in patients with current PD-L1 blockers.

The environmental injustice of beauty

Research highlights the disproportionate impact of beauty product-related chemicals on women of color, who face higher levels of exposure and health risks. The study suggests that marketing practices and societal pressure contribute to this issue, emphasizing the need for improved testing and disclosure to advance environmental justice.

Increased support could reduce attrition rates among general surgery residents

A recent study published in JAMA Surgery found that the attrition rate among general surgery residents was lower than previously thought, with only 8.8% leaving their training programs compared to 20%. The study also identified a significant difference in program directors' attitudes and support for struggling residents between high- a...

Apple iPhone 17 Pro

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

Smart electrical grids more vulnerable to cyber attacks

A recent paper analyzes security issues in smart electrical grids, highlighting potential consequences of cyber attacks on advanced metering infrastructures. The report provides crucial keys to ensuring the security of our power supply.

Researchers clarify mystery about proposed battery material

A team at MIT has carried out detailed tests that resolve the questions surrounding a compound called lithium iodide, a possible solution to some of the lithium-air battery's problems. The study finds that LiI can enhance water's reactivity and interfere with charging, but suggests ways to suppress these reactions to make it work better.

Supermassive black holes feed on cosmic jellyfish

A team of astronomers used the MUSE instrument on the VLT to study how gas can be stripped from galaxies, focusing on extreme jellyfish galaxies. Six out of seven jellyfish galaxies were found to host a supermassive black hole feeding on surrounding gas.

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.

Harnessing rich satellite data to estimate crop yield

Researchers at the University of Illinois are using satellite data to estimate crop yield in the US Corn Belt. By integrating various spectral bands and analyzing them together, they've uncovered valuable information on crop biomass and environmental stresses related to drought and heat.

Specialists make breakthrough in the treatment of anal cancer

A recent study has made a groundbreaking discovery in the treatment of anal cancer, suggesting that current methods of checking for lymph node spread may be overestimating survival rates. This finding has significant implications for patient care, potentially leading to more targeted and effective treatments.

Mosses used to evaluate atmospheric conditions in urban areas

Researchers have developed a method using mosses (bryophytes) to evaluate atmospheric conditions in urban areas, including nitrogen pollution severity and drought stress. The study found that bryophytes can indicate the degree of nitrogen pollution and drought levels, making them a valuable tool for assessing environmental changes.

Study solves mystery of how first animals appeared on Earth

Researchers from Australian National University discovered ancient sedimentary rocks revealing molecular fossils that indicate the emergence of algae, a pivotal moment in ecosystems. This event led to the evolution of complex life, including humans.

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.

Computer scientists use music to covertly track body movements, activity

Computer scientists at the University of Washington have developed CovertBand, a software that can transform smart devices into active sonar systems, tracking personal activity and movements through walls. The technology uses repeating pulses in the audible range to gather detailed data on body position and movements.

Fluke 87V Industrial Digital Multimeter

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

Modeling human psychology

A mathematical model of embodied consciousness predicts states of consciousness and behavior, analyzing free energy and projective geometry. The model, developed by an international team of experts, has potential industrial applications in robotics, AI, and healthcare.

Multicolor MRIs could aid disease detection

Researchers at Case Western Reserve University have developed a new multicolor MRI method that enables simultaneous detection of two different contrast agents, allowing for immediate comparisons of diseased and healthy tissue. This breakthrough has the potential to transform molecular imaging and aid disease diagnosis.

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.

NASA's LRO team wants you to wave at the moon

The Lunar Reconnaissance Orbiter (LRO) will capture an image of the Moon's shadow on Earth during a solar eclipse on Aug. 21. The public can participate by waving at the Moon, with the camera resolution able to see continents and large surface features.

Magnetic resonance is used to evaluate food quality

A Brazilian company's device uses low-field NMR to analyze food products in a few seconds, measuring sugar content, fat content, moisture, tenderness, flavor, and succulence. The technology has been used to analyze beef and palm oil without dehydrating samples.

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.

Heavily used pesticide linked to breathing problems in farmworkers' children

Research links elemental sulfur use to poorer respiratory health in children living near farms that apply the pesticide, with significant associations found between sulfur use and asthma-related symptoms. The study suggests urgent need for more research and possible changes to regulations and application methods.

Popular sungazer lizards under threat from poaching

The Sungazer lizard is critically endangered due to poaching and habitat loss, with its population declining by over a third in the last decade. A conservation assessment found that only half of the species' habitat has been irreversibly transformed by humans.

Turning pollen into a low-cost fertilizer

Researchers have created a biocompatible fertilizer from carbon dots derived from rapeseed pollen, increasing plant biomass by 50% in treated plants. The process was found to be relatively inexpensive, costing just 3 cents per gram.

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.

University of Stirling team discovers new plant in Shetland

A new type of plant, 'Shetland's monkeyflower', has been discovered in the Shetland Isles, resulting from the doubling of its chromosomes. The plant, a descendant of a non-native species, produces larger flowers and changes in leaf size and flowering time.

How future volcanic eruptions will impact Earth's ozone layer

Researchers found that volcanic eruptions can cause ozone depletion until 2070, despite declining levels of human-made CFCs. Natural sources of halogen gases from marine plankton and microalgae become important in the lower stratosphere after CFC concentrations decline.

Cardiac ICU patient composition is changing over time

A study found that more than half of heart patients are admitted to the cardiac intensive care unit (CICU) for noncardiac conditions such as sepsis or renal failure. This shift in patient composition requires providers to reassess training and staffing models, with implications for care and outcomes.

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.

Mars 2020 mission to use smart methods to seek signs of past life

The Mars 2020 mission utilizes advanced techniques developed from studying early life on Earth to detect biosignatures in ancient Martian rocks. By mapping elemental and organic composition at high spatial resolution, scientists aim to determine if these features were formed by life.

Smoking raises risk of aneurysm recurrence after endovascular treatment

A new study published in the Journal of Neurosurgery found that smoking significantly increases the chance of brain aneurysm recurrence. Former and current smokers had a higher rate of recurrence compared to never smokers, emphasizing the importance of quitting smoking after endovascular treatment.

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.

Eating habits affect skin's protection against sun

Research in mice suggests that eating at abnormal times can weaken the daytime potency of an enzyme protecting against UV radiation, leading to increased risk of sunburn and long-term effects like skin cancer. A normal eating schedule may provide better protection from UV rays during the day.

Russian scientists deny climate model of IPCC

A new study reveals that subsea permafrost in the East Siberian Arctic Shelf (ESAS) degrades at a rate of 18 cm/year, exceeding previous estimates. This suggests that massive methane emissions into the atmosphere may occur due to the destruction of hydrates, contradicting IPCC climate model predictions.

Deep-UV probing method detects electron transfer in photovoltaics

Researchers at EPFL have developed a substrate-specific method to detect electron transfer in photovoltaic devices. The new approach uses deep-ultraviolet continuum pulses to probe the excitonic transitions of transition-metal oxide substrates, providing a route to studying solid-state-sensitized solar cells.

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.

New thruster design increases efficiency for future spaceflight

Researchers developed a new inlet design for Hall thrusters that significantly increases thrust by creating a vortex in the discharge channel. The design improvement resulted in higher gas density and uniformity, leading to improved performance and increased specific impulse of up to 53.5%.

Nanotechnology gives green energy a green color

Researchers in the Netherlands have created efficient green solar panels using soft imprint lithography, which scatter green light and maintain a 10% power reduction. The technology has potential to widen solar panel use as an architectural design element.

Meta-analysis evaluates the effect of post-primary PCI Bivalirudin I

A meta-analysis of randomized-clinical trials found that full-dose bivalirudin infusion post-PCI for four hours is associated with improved net adverse clinical events and all-cause mortality. Bivalirudin exhibits a lower risk of bleeding compared to unfractionated heparin, but also increases the risk of acute stent thrombosis.

What does it take to thrive in elite sports?

A new study reveals that thriving in elite sports requires a combination of internal and external factors, including optimism, focus, and high motivation. The research found that athletes who are highly motivated, develop holistically, and have a sense of belonging tend to thrive at the highest level.

Adult brains produce new cells in previously undiscovered area

Researchers at the University of Queensland have discovered that adult brains can produce new cells in the amygdala, a region important for processing emotional memories. This finding has significant implications for understanding the brain's ability to adapt and regenerate.

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.

NASA spots Typhoon Banyan's large eye

Typhoon Banyan's eye became visible again in satellite imagery from NASA-NOAA's Suomi NPP satellite, showing a tight concentration of strong thunderstorms around its center. The storm is expected to become a strong extra-tropical storm in the open waters of the Northwestern Pacific Ocean by August 17.

Biophysical Society Announces 2018 Society Fellows

The Biophysical Society has announced its 2018 Society Fellows, recognizing distinguished members who have made significant contributions to the field of biophysics. The 2018 Fellows include Patricia Bassereau, James Bowie, Astrid Graslund, Roderick MacKinnon, and others.

Sensory makeup of mosquitoes used to fight spread of disease

University of Nevada, Reno researchers are developing mosquitoes that can detect and avoid human odors, potentially breaking the transmission cycle of mosquito-borne diseases. The goal is to create genetically modified mosquitoes that feed on other animals, reducing resistance development.

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.