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Science News Archive October 2021


Page 21 of 40

New technique identifies pathogenic particles in the blood

Researchers from Aarhus University have developed a revolutionary technique to identify pathogenic particles in the blood, which determine the development of autoimmune diseases like Systemic Lupus Erythematosus. The technique allows for early diagnosis and potentially life-threatening consequences such as blood clots and organ damage.

Delta and Delta Plus evade the antibody response

Researchers found that Delta and Delta Plus infect lung cells with higher efficiency than the original virus, evading antibodies induced by infection and vaccination. The new variants were also resistant to some therapeutic antibodies, leading to reduced inhibition.

Apple iPhone 17 Pro

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

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.

Social disadvantage in the UK has a lasting impact on childhood asthma

A UK study found that social disadvantage in early childhood increases the risk of developing persistent asthma by 70%, with nearly two-thirds of the risk attributed to early life exposures. This highlights the need for public health measures and policies to support families and improve housing conditions.

Key protein linked to appetite and obesity in mice

A recent study from the Okinawa Institute of Science and Technology Graduate University identified a crucial protein linked to increased appetite and obesity in mice. The researchers found that mice lacking this protein, XRN1, exhibited leptin resistance, leading to insatiable hunger and weight gain.

Attitudes toward vaccine travel requirements

A recent study published in Tourism Management explores travelers' attitudes toward pre-travel vaccination requirements. The researchers found that willingness to vaccinate and beliefs that others should vaccinate are key predictors of support for vaccine mandates. Travelers who had previously tested positive for COVID-19 or traveled m...

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.

Skin stem cells get moving for enhanced skin regeneration

A study published in the Journal of Cell Biology found that skin stem cell motility is crucial for wound healing and skin regeneration. The researchers discovered that a specific molecule, EGFR, drives skin stem cell movement and coordinates the production of collagen COL17A1.

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.

Our brains have a “fingerprint” too

Researchers have discovered that each person has a unique brain fingerprint that can be identified in just over a minute using functional connectomics. The study's findings have significant implications for the diagnosis and treatment of neurological disorders such as Alzheimer's disease, autism, and stroke.

Plant-eating lizards on the cusp of tooth evolution

Several lizard groups evolved teeth with multiple tips, allowing them to transition to plant-based diets and increasing speciation rates. The study also found that tooth evolution was more flexible in lizards and snakes than mammals.

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 map of mouse brain metabolism in aging

Researchers created the largest metabolome analysis of the mouse brain, revealing distinct chemical conversions between brain regions. Aging mice showed significant metabolic differences in brain sections, with lipids playing a crucial role in changes to brain function.

Ultrafast magnetism: heating magnets, freezing time

The study reveals that the interaction between phonons and electrons is crucial for ultrafast demagnetization. The data show a temperature threshold below which this mechanism does not occur, indicating another microscopic mechanism at lower temperatures.

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.

Using quantum Parrondo’s random walks for encryption

Assistant Professor Kang Hao Cheong and his team discovered that chaotic switching for quantum coin Parrondo's games has similar underlying ideas to encryption. They found that using pre-generated chaotic sequences enhances the work, making it easier to invert the encrypted message to obtain the original state.

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 rapid mechanism for muscle self-repair independent of stem cells

Researchers discovered a rapid muscle self-repair mechanism that relies on the rearrangement of muscle fibre nuclei, independently of muscle stem cells. This process occurs rapidly after physiological damage or exercise-induced injury and represents a time- and energy-efficient protective mechanism for minor lesions.

Obese pigs help us understand human obesity

The study provides a unique genomic blueprint for understanding the complex mechanisms linking obesity with comorbidities like type 2 diabetes and cardiovascular diseases. The Ossabaw pig's genome is highly relevant to humans, making it an ideal model for studying human obesity.

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.

NIH award advances the study of young and developing brains

Researchers at UC San Diego will document brain development from birth through early childhood, focusing on environmental factors and mental disorders. The HBCD study aims to optimize brain imaging technologies and predict future behavioral problems.

Meta Quest 3 512GB

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

Plant-based jet fuel could reduce emissions by 68%

Researchers estimate that carinata-based SAF can reduce life cycle carbon emissions by up to 68%, making it a promising sustainable alternative for the aviation industry. The production cost of SAF from carinata ranges from $0.12 to $1.28 per liter, lower than petroleum-based fuel.

Who's been kissing who? Prairie dog 'greet kisses' reveal complex social networks

A study by University of Arizona behavioral ecologist Jennifer Verdolin mapped the intricacies of prairie dog social dynamics, including degree centrality and between-ness centrality. This research has big implications for conservation efforts, highlighting the importance of considering all factors that support a species' survival.

Bone-loss discovery points to new treatment for osteoporosis

Researchers at University of Virginia Health System have discovered a new treatment target for osteoporosis and bone loss from rheumatoid arthritis. A cellular protein called ELMO1 promotes the activity of osteoclasts, which break down bone, leading to excessive bone degradation.

Fluke 87V Industrial Digital Multimeter

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

Expansion of wind and solar power too slow to stop climate change

Researchers find that most countries are not growing wind and solar power fast enough to meet global warming targets of 1.5°C or 2°C. The study analyzes data from 60 countries and finds that only a few countries, like Portugal and Ireland, have seen rapid growth in onshore wind and solar power.

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.

Why motion makes you sleepy: Insight from fruit flies

Research finds that fruit flies fall asleep when moved in slow circles, and this effect continues in flies missing key circadian clock genes. The study also reveals the role of nanchung receptors, which are sensitive to vibrations and motion, in inducing daytime sleep.

New study finds easy way to improve hospital soundscapes

Researchers at McMaster University have found a simple tweak in medical device tones can significantly lower annoyance caused by alarms. The study suggests changing the amplitude envelope of existing sounds to make them sound more musical, without harming efficacy or affecting patient recovery.

Genes play key role in exercise outcomes - study

A new study identifies 13 genes as key factors in shaping physical fitness through various forms of exercise. Genetic differences account for up to 72% of the variation in muscle strength improvements.

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.

Nuclei on the move for muscle self-repair

A recent study reveals that muscle regeneration after physiological damage relies on the rearrangement of nuclei, accelerating repair of contractile units. Nuclei are attracted to injury sites and deliver mRNA molecules to initiate protein synthesis for muscle repair, offering a new insight into muscle biology.

Climate predictions build resilience in African tea plantations

Researchers have assessed climate factors affecting tea growth and quality at nine locations in Kenya and Malawi, predicting substantial increases in heatwave days but declines in cold nights. The study suggests tailored interventions and plant breeding programs can help producers adapt to future climates.

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.

Monitoring glucose levels, no needles required

A team of Penn State researchers has created a noninvasive, low-cost sensor that can detect glucose in sweat, enabling less intrusive glucose monitoring for people with diabetes. The device uses a nickel-gold alloy and is flexible enough to be worn on the body.

Brief counselling by a doctor can reduce drinking

A systematic review found that brief alcohol-targeted interventions delivered in doctors' offices reduce drinking by small but useful amounts. The study analyzed data from 116 trials involving 64,439 participants and found a reduction of approximately one drinking day per month.

Celestron NexStar 8SE Computerized Telescope

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