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Science News Archive July 2021


Page 20 of 41

Nitrogen-producing process of anammox bacterium finally uncovered

The anammox bacterium uses the nitrite oxidoreductase enzyme (NXR) to convert toxic nitrite into nitrate, a crucial process in nature's nitrogen cycle. Researchers have now mapped the molecular structure of NXR, gaining insight into its complex structure and organization within the cell.

Body mass index as a risk factor for diabetes varies throughout the world

A new study found that body mass index (BMI) is a risk factor for diabetes, but the optimal BMI threshold for screening varies significantly across low- and middle-income countries. The researchers analyzed data from over 680,000 people in 57 countries and found that individuals with a BMI of 23 kg/m2 or greater had an increased risk o...

Thinking without a brain

Research on brainless slime molds reveals that Physarum polycephalum uses its body to sense mechanical cues in its environment, performing computations similar to thinking. The organism grows toward the greater mass without physically exploring the area, and makes decisions based on relative patterns of strain it detects.

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.

Glaucoma test 'best yet'

A new genetic test for glaucoma has been found to identify high-risk patients 15 times more effectively than an existing test. The test, which can be performed on a blood or saliva sample, has the potential to detect irreversible vision loss before it occurs.

Diversity of US health care workers

The study found that racial and ethnic minority groups have increased their representation among US healthcare workers, from 1999 to 2018. The authors suggest this shift may be due to efforts to increase diversity in the medical workforce.

Celestron NexStar 8SE Computerized Telescope

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

Animals are better sprinters

A new model calculates maximum running speeds for animals of any size, revealing that medium-sized animals achieve top speed due to their body shape and leg structure. Larger or heavier animals are limited by the weight and stiffness of their bones, resulting in lower top speeds.

University of Minnesota develops new tool to help farmers make crop input decisions

The University of Minnesota has developed a new tool to help farmers make informed crop input decisions, balancing economic and environmental costs. The tool uses machine-learning-based metamodels to predict nitrogen reduction scenarios and identify hotspots for mitigation, while also considering regenerative practices like cover cropp...

Apple iPhone 17 Pro

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

Tiny, Injectable Sensors Could Monitor Brain Activity without Surgery or Implants

Researchers developed nanoscale sensors that can convert brain electrical activity into optical signals detectable outside the body. These sensors, called NeuroSWARM3, offer a non-invasive way to track brain activity and could one day enable people with physical disabilities to interact with the world and control wearable technology.

Emotion, cooperation and locomotion crucial from an early age

Researchers found that emotion knowledge, cooperative social behavior, and locomotor activity are interrelated and associated with numerical skills in preschool children. These fundamental skills can promote numerical learning and suggest that locomotor activity should be added to early education.

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.

The effect of acute exercise in humans on cancer cell growth

New research reveals that acute exercise can slow down the growth of bowel cancer cells by releasing proteins into the bloodstream. This finding suggests that regular physical activity may lower the risk of developing bowel cancer, even in individuals who do not experience weight loss.

Geneticists outline plan to boost diversity, inclusion in their field

A group of geneticists have outlined a plan to increase diversity and inclusion in their community, including boosting representation at academic conferences and addressing obstacles for underrepresented groups in research labs. The action plan aims to improve equity and fairness in the field of genetics and beyond.

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.

Staying on schedule

Researchers developed an optimized schedule for automated biology lab robots, maximizing experiments within time and resource constraints. The S-LAB framework accounts for time constraints and resource conflicts, improving efficiencies in life science experiments.

Measuring nitrogen to improve its management

A new paper synthesizes results from nearly thirty researchers on nitrogen management in agriculture, identifying areas for improvement and providing a foundation for sustainable nitrogen management. The study's findings have significant implications for addressing food security and environmental pollution challenges.

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.

Red blood cell 'traffic' contributes to changes in brain oxygenation

Researchers at Penn State identified a link between red blood cell flow and fluctuations in brain oxygenation. The study found that random flow rates through tiny blood vessels contribute to these changes, which may have implications for understanding neurodegenerative diseases.

Meta Quest 3 512GB

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

Data privacy -- are you sure you want a cookie?

A study from Copenhagen Business School reveals that website owners can influence users' data privacy decisions by manipulating the choice architecture and outcome. The researchers argue that this approach is problematic as it exploits psychological mechanisms to benefit the website owner, rather than benefiting the user. The findings ...

Taking the brain out for a walk

A recent study by the Max Planck Institute for Human Development found that spending time outdoors positively affects brain structure and gray matter in the right dorsolateral-prefrontal cortex. This area is involved in planning, regulation of actions, and cognitive control. The results persist even when other factors are kept constant.

New, neural network offers accurate prediction of protein folding

Researchers introduce RoseTTAFold, a neural network approach that accurately predicts protein structures, outperforming traditional methods and rivalling DeepMind's AlphaFold2. The tool's code and public server are now accessible to the scientific community, enabling rapid solution of challenging structure determination problems.

PPPL selected for new public-private fusion partnerships

The US Department of Energy has awarded $2.1 million to PPPL for three public-private fusion energy partnerships. These collaborations will bring together PPPL researchers with Microsoft, Commonwealth Fusion Systems, and TAE Technologies to develop innovative solutions using AI, computer codes, and novel superconductors.

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.

Life-saving snake venom

A novel body tissue adhesive incorporating snake venom has been developed to stop life-threatening bleeding in seconds. The 'super glue' works with visible light and offers 10 times the strength of existing fibrin glue, cutting blood clotting time in half.

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.

National survey IDs gaps and opportunities for regenerative medicine workforce

A national survey reveals a pronounced lack of needed skills in the regenerative medicine biomanufacturing workforce, highlighting key findings and recommendations to address this gap. The study suggests five strategies for developing the workforce ecosystem, including faculty development opportunities, work-based learning, and policy ...

Screening often misses endometrial cancer in Black women

A study found that transvaginal ultrasound (TVUS) screening missed over four times more cases of endometrial cancer among Black women compared to White women. The screening tool was not sufficiently accurate or racially equitable for Black women, putting them at a higher risk of false-negative results.

Removing the lead hazard from perovskite solar cells

Researchers have developed a new method to capture and recycle lead from perovskite solar cells, addressing the environmental and health hazards associated with their use. The transparent phosphate salt solution prevents lead ions from leaching into the soil, rendering perovskite devices safer for large-scale commercialization.

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.

Self-inflicted firearm injuries three times more common in rural youth

A national study found that ED visits for self-harm were nearly 40% higher in rural areas compared to urban settings. Youth from rural areas presenting to the ED for suicidal ideation or self-harm were also more likely to need to be transferred to another hospital due to insufficient mental health resources.

Financial hardship and voter turnout

Financial hardship significantly affects voter turnout among the poor in Germany, resulting in a 5 percentage point drop in voting intentions and actual turnout. The study analyzed over 1,000 elections and found that short-term financial difficulties lead to increased stress and alienation from politics.

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.

A new avenue for fighting drug-resistant bacteria

Targeting an RNA sequence in pathogenic bacteria could make them more sensitive to antibiotics, offering a new avenue for treating drug-resistant bacteria. The study found that eliminating this regulatory RNA sequence had an impact on urinary tract infections related to E. coli.

Benzodiazepines, 'z-drugs' increase death risk when taken with opioids

A Vanderbilt University Medical Center study found that benzodiazepines and non-benzodiazepine hypnotics (z-drugs) significantly increase the risk of death when used in combination with opioid pain medications. The risk is particularly high for those taking benzodiazepines, which had a 221% increased risk of death.

Wolf pups born on Isle Royale, moose poised for decline

Research on Isle Royale reveals wolf pups have been spotted, indicating a likely increase in the wolf population. Moose, however, are struggling with food scarcity and nutritional stress due to warmer winters and deep snow, leading to a decline in their numbers.

Fluke 87V Industrial Digital Multimeter

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

Modified yeast inhibits fungal growth in plants

Researchers at UC Riverside have engineered yeast to produce proteins that block fungal cell walls, reducing crop losses and reliance on fungicides. This approach could lead to a new method for controlling plant disease with minimal environmental impact.

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.

Can turmeric reduce joint pain during breast cancer treatment?

Researchers at UC Davis Comprehensive Cancer Center are investigating whether turmeric can successfully reduce joint pain in breast cancer patients and improve their quality of life. The study aims to provide important data on the safety and effectiveness of using turmeric with oral anti-estrogen therapy.