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Science News Archive October 2021 - Page 21


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.

SourceAarhus University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 15, 2021

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.

SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalCell Reports·DateOct 15, 2021
Apple iPhone 17 Pro

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

Penn study suggests genetic disease CDKL5 deficiency disorder could be treatable after childhood

A new study from the University of Pennsylvania School of Medicine found that the gene CDKL5 plays an essential role in the brain throughout life, even after childhood. Researchers discovered that reinstating CDKL5 activity in young adult mice with a genetic deficiency led to significant improvements in neurological problems.

SourceUniversity of Pennsylvania School of Medicine·TypeExperimental study·DateOct 15, 2021

Buprenorphine misuse decreased among U.S. adults with opioid use disorder from 2015-2019

A study published in JAMA Network Open found that nearly three-fourths of U.S. adults with buprenorphine use did not misuse the medication in 2019, trending downward between 2015-2019 despite increased treatment. The research highlights the need to expand access to proven treatment approaches like buprenorphine therapy to reduce misuse.

SourceNIH/National Institute on Drug Abuse·JournalJAMA Network Open·DateOct 15, 2021
Meta Quest 3 512GB

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

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.

SourceImperial College London·JournalThorax·TypeObservational study·DateOct 15, 2021

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.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournaliScience·TypeExperimental study·DateOct 15, 2021

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...

SourceTexas A&M University·JournalTourism Management·TypeNews article·DateOct 15, 2021
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.

Study: Adolescents’ experiences with police have harmful repercussions for later life outcomes

A new study found that adolescents' experiences with police can negatively impact their future orientation, leading to reduced educational and career aspirations. The research, conducted by the American Society of Criminology, analyzed data from 1,354 serious offenders and found that even positive interactions with police can create co...

SourceAmerican Society of Criminology·JournalCriminology·DateOct 15, 2021

Ecological redlines: Possible model for maintaining biodiversity in mainland Southeast Asia

Researchers from China's Academy of Sciences propose a framework to determine ecological priorities across Mainland Southeast Asia by combining ecosystem services, ecological sensitivity, and biodiversity indicators. The proposed model identifies areas for protection based on overlapping hotspots of diversity, sensitivity, and service ...

SourceChinese Academy of Sciences Headquarters·JournalOne Earth·TypeSystematic review·DateOct 15, 2021

‘Superhuman, but never enough’: Essay details inequities experienced by Black women physicians in the United States

Black women physicians in the United States encounter barriers such as lower earnings and reduced promotion opportunities, despite having the same training and expertise as their colleagues. The essay highlights the need for sustained efforts to promote diversity, equity, and inclusion in academic medicine to address these disparities.

SourceMassachusetts General Hospital·JournalThe Lancet·TypeCommentary/editorial·DateOct 15, 2021

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.

SourceTokyo Medical and Dental University·JournalJournal of Cell Biology·DateOct 15, 2021
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.

One coronavirus vaccine may protect against other coronaviruses

A study by Northwestern University scientists has shown that coronavirus vaccines and prior infections can provide broad immunity against other, similar coronaviruses. The findings build a rationale for universal coronavirus vaccines.

SourceNorthwestern University·JournalJournal of Clinical Investigation·DateOct 15, 2021

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.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScience Advances·DateOct 15, 2021
Fluke 87V Industrial Digital Multimeter

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

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.

SourceUniversity of Helsinki·JournalNature Communications·DateOct 15, 2021

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.

SourceUniversity of California - Davis·JournalNature Communications·TypeExperimental study·DateOct 15, 2021

Researchers find few adverse health effects in wildlife exposed to low levels of radiation from the Fukushima nuclear accident

Wildlife exposed to low levels of radiation from the Fukushima nuclear accident showed no significant adverse health effects, according to a recent study. The research found that biomarkers of DNA damage and stress were not affected by chronic, low-dose environmental radiation exposure in wild boar and rat snakes.

SourceColorado State University·JournalEnvironment International·TypeObservational study·DateOct 15, 2021
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.

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.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalApplied Physics Letters·TypeExperimental study·DateOct 15, 2021

A decade after gene therapy, children born with deadly immune disorder remain healthy

Researchers report that 90% of patients who received gene therapy between 2009 and 2012 remain disease-free, with significant immune system differences observed among those treated. The therapy is most effective in younger children, but further work is needed to achieve high levels of gene correction in all patients.

SourceUniversity of California - Los Angeles Health Sciences·JournalBlood·TypeRandomized controlled/clinical trial·DateOct 15, 2021

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.

SourceSingapore University of Technology and Design·JournalPhysical Review Research·DateOct 15, 2021
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.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalScience·TypeExperimental study·DateOct 14, 2021

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.

SourceTechnical University of Denmark·JournaliScience·DateOct 14, 2021
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.

Data continues to show that American’s need at least 5 hours per week of physical activity to prevent some cancers

A new report from the American Cancer Society reveals that over 46,000 cancer cases annually in the US could be prevented with moderate-intensity physical activity. The study found that states in the South had the highest proportion of cancers attributable to physical inactivity, while northern states had lower proportions.

SourceAmerican Cancer Society·JournalMedicine & Science in Sports & Exercise·TypeObservational study·DateOct 14, 2021
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.

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.

SourceUniversity of California - San Diego·DateOct 14, 2021

Climate change will alter functioning of marine microbial communities, study shows

A study found that climate change will alter functioning of marine microbial communities, with plankton at the poles being particularly badly damaged by rising temperatures. In temperate zones, they'll suffer from reduced nutrient flows, while in the tropics, increased salinity will affect them.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalScience Advances·DateOct 14, 2021

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.

SourceUniversity of Georgia·JournalGCB Bioenergy·DateOct 14, 2021

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.

SourceUniversity of Arizona·JournalBehaviour·TypeObservational study·DateOct 14, 2021

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.

SourceUniversity of Virginia Health System·JournalNature Communications·DateOct 14, 2021
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.

New statistical study finds link between protein evolution and thermal variation

A recent statistical study has revealed a connection between protein evolution and thermal variation, with shared constraints regulating short-term flexibility and long-term structural evolution. The study's findings provide insights into the functional behavior of proteins and their evolutionary constraints.

SourceUniversity of Tokyo·JournalPhysical Review Letters·TypeData/statistical analysis·DateOct 14, 2021

New UMass Amherst study explores the decisions made by physicians in the delivery room, and why they may be making them

A new study by Manasvini Singh found that physicians are more likely to switch between vaginal and cesarean deliveries based on their previous patients' experiences, potentially leading to sub-optimal patient health. The study analyzed 86,000 electronic health records and found a significant increase in the probability of a cesarean de...

SourceUniversity of Massachusetts Amherst·JournalScience·DateOct 14, 2021

Molecular atlas of small cell lung cancer reveals unusual cell type that could explain why it’s so aggressive

Researchers at Memorial Sloan Kettering Cancer Center have developed a molecular atlas of small cell lung cancer, revealing a rare population of stem-like cells that correlate with patient outcomes. These cells have metastatic properties and are found across many SCLC tumors, suggesting they may be driving the disease's aggressiveness.

SourceMemorial Sloan Kettering Cancer Center·JournalCancer Cell·TypeExperimental study·DateOct 14, 2021

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.

SourceChalmers University of Technology·JournalNature Energy·TypeData/statistical analysis·DateOct 14, 2021
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.

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.

SourceSociety for Neuroscience·JournalJNeurosci·DateOct 14, 2021

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.

SourceMcMaster University·JournalApplied Ergonomics·TypeObservational study·DateOct 14, 2021
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.

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.

SourceAnglia Ruskin University·JournalPLOS ONE·TypeMeta-analysis·DateOct 14, 2021

Researchers demonstrate a more effective personal protective equipment strategy for COVID-19

Researchers developed a reusable respirator hood that is significantly preferred by frontline healthcare workers and support staff due to its safety and comfort. The new PPE strategy has also led to cost savings and reduced environmental impact, with over 80% of staff requesting their respirators for future use.

SourceUniversity of Southampton·JournalFrontiers in Medical Technology·TypeObservational study·DateOct 14, 2021

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.

SourceInstituto de Medicina Molecular·JournalScience·TypeExperimental study·DateOct 14, 2021

Serious injury risk higher for horse riding than for football, motor racing, or skiing

Research found that horse riding has a higher risk of serious injury compared to other high-risk activities. The study analyzed data from the US Centers for Disease Control and Prevention and Trauma Surgery & Acute Care Open journal, revealing that chest injuries were the most common site, but head and neck injuries were the most lethal.

SourceBMJ Group·JournalTrauma Surgery & Acute Care Open·TypeObservational study·DateOct 14, 2021

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.

SourceUniversity of Leeds·JournalClimate Risk Management·DateOct 14, 2021
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.

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.

SourcePenn State·JournalBiosensors and Bioelectronics·DateOct 14, 2021

Aided by stem cells, a lizard regenerates a perfect tail for first time in more than 250 million years

A USC-led study has improved lizard tail regeneration through stem cell-based therapy, leading to the creation of tails with skeletal and nerve tissue on both sides for the first time in history. This breakthrough informs efforts to improve wound healing in humans, particularly for injuries that don't naturally regenerate.

SourceUniversity of Southern California·JournalNature Communications·TypeExperimental study·DateOct 14, 2021

New journal article examines vaccination misinformation on social media

A new study examines vaccination misinformation on social media, revealing that fear-provoking messaging fuels its spread. The research team developed predictive models to identify true and false information on Twitter, categorizing messages as positive or negative cause-effect statements.

SourceUniversity of Illinois School of Information Sciences·JournalJournal of Medical Internet Research·TypeComputational simulation/modeling·DateOct 14, 2021

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.

SourceSociety for the Study of Addiction·JournalAddiction·TypeSystematic review·DateOct 14, 2021
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.