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Science News Archive 2021


Page 126 of 510

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.

Deaths with drugs as contributing factor rising dramatically

A recent study found that deaths where drugs were a contributing cause rose dramatically in the US, outpacing decline in other causes. The death rate from accidents and suicides increased fivefold, while diseases and medical conditions saw a 2.5-fold rise.

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 insights into how KLF4 influences gene expression

Researchers at Baylor College of Medicine discovered that KLF4 forms droplets in the cell nucleus that recruit other transcription factors to mediate gene expression. This process involves biomolecular condensation, where KLF4 interacts with chromatin regions to form a separate liquid phase.

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.

Strength training can burn fat too, myth-busting study finds

A new UNSW Sydney-led study suggests that strength training can lead to significant weight loss, with participants losing an average of 1.4% of their total body fat after a five-month program. The study analyzed existing evidence and found that this level of fat loss is comparable to cardio-based exercise.

Desert teamwork explains global pattern of co-operation in birds

A new study from the Kalahari Desert finds that teamwork allows birds to cope with brutally unpredictable environments. The research team at the University of Exeter shows that families with more helpers successfully raise more chicks in dry conditions, reducing weather-driven variation in breeding success.

Reinstating waiting time after allograft failure will yield more transplants

Researchers propose reinstating waiting time for recipients experiencing early post-transplant allograft failure within an expanded timeframe to boost transplant numbers. This policy change could potentially reduce the perceived patient-level risk of transplanting marginal organs and improve organ utilization.

Continental growth is not a continuous process

Researchers found that continents have always been rich in silica, contradicting previous models. Continental growth occurred in six major periods every 500-700 million years over the past 3.7 billion years.

Can a sexual assault jeopardize a woman's brain health?

A new study suggests that traumatic experiences like sexual assault are associated with indicators of cerebrovascular risk, potentially leading to dementia and stroke. Women who experienced trauma had greater white matter hyperintensities, a marker for brain small vessel disease.

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.

DNA sensor quickly determines whether viruses are infectious

A new DNA sensor can detect both the presence and infectivity of viruses in minutes, providing a significant improvement over current methods that only detect genetic material. This breakthrough could aid in tracking and containing viral outbreaks, as well as understanding mechanisms of infection.

New therapies offer hope for minimizing hair loss in midlife women

Common hair loss patterns in women include progressive ponytail thinning, increased scalp visibility, and easy sunburn. New therapies such as platelet-rich plasma injections offer promise for stimulating hair growth and minimizing thinning, while treatments like minoxidil and finasteride may also be effective.

Intermittent fasting can help manage metabolic disease

Researchers explore science behind time-restricted eating, finding it improves sleep quality and reduces obesity, diabetes, and heart disease risk. By aligning daily habits with internal rhythms, intermittent fasting can optimize health and reduce chronic disease burden.

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.

Setting global targets could cut impact of diabetes in developing countries

A new global study found that setting targets for treating diabetes patients with cholesterol or blood pressure medication can significantly improve cardiovascular outcomes. Achieving these targets could save up to 6% of healthy lifetime lost to diabetes over 10 years, mainly due to reduced cardiovascular conditions.

Apple iPhone 17 Pro

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

Telehealth may help smokers in rural prisons quit tobacco smoking

A Rutgers University study suggests that video conferencing with tobacco treatment specialists can aid smokers in rural prisons in quitting tobacco smoking. The study also found that providing nicotine replacement therapy patches was effective in aiding the cessation process.

River research reveals scale of macroplastic pollution

New research from the University of Leicester shows that macroplastics travel much slower through river systems than previously believed, remaining in place for significant periods. The study suggests existing estimates of riverine plastic flux to the ocean may have been overestimated, highlighting the need for further research.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Maya rulers put their personal stamp on monumental complexes

Researchers found that Maya rulers altered their cities' structures and alignments to reflect their own desires and authority. Many temples were built on top of existing ones or abandoned altogether, shifting the focus from community ritual to ruler-centric politics.

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.

Living donor liver transplants: Better outcomes for children

Children who receive living donor liver tissue for transplants have nearly twice the survival rate and reduced risk of organ rejection compared to those receiving deceased donor livers. Living donation also shortens wait times for pediatric patients.

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.

Racial/Ethnic Disparities Persist in Lung Cancer Screening Eligibility

A new study finds that racial/ethnic minorities remain less likely to be eligible for lung cancer screening under the revised guidelines, highlighting the need for more nuanced risk models. Incorporating social determinants of health and family history could help address disparities in lung cancer screening eligibility.

Discovery of a universal system for transporting nucleic acids into cells

A team of researchers from IOCB Prague has discovered a new type of nanoparticles capable of safely transporting various types of nucleic acids used for therapeutic purposes into cells. The universal nature of their system sets it apart from existing solutions, allowing for efficient transport of mRNA and other RNA molecules into cells.

Eating less fat may save your hair

A recent study published in Nature found that a high-fat diet or genetic obesity can deplete hair follicle stem cells, leading to hair thinning and loss. The researchers discovered that inflammation signals block hair follicle regeneration, ultimately resulting in loss of hair follicles.

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.

Developmental biology: Factors of cell division

Researchers at LMU Biocenter have discovered that PCMD-1 is an essential functional bridge between centrioles and the surrounding matrix, ensuring proper spindle pole integrity. This finding highlights the critical role of protein interactions in maintaining cell division accuracy and preventing diseases such as cancer.

In a COVID crisis, triage standards may worsen racial disparities in treatment

Two Yale-led studies found that Black patients admitted with COVID-19 tend to have higher Sequential Organ Failure Assessment scores than white patients, which can lead to unequal access to treatment resources. This disparity could result in disproportionate steering of scarce healthcare supplies towards other groups.

Researchers study recurrent neural network structure in the brain

Scientists discovered that recurrent neural networks (RNNs) play a crucial role in the frontal cortex, responsible for decision-making, expressive language, and voluntary movement. The research also found that RNNs are more complex than previously thought, with a unidirectional structure.

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.

Canada’s nitrogen footprint shows great regional variation

A study by McGill University reveals significant regional variation in Canada's nitrogen footprint, with Ontario and Quebec contributing the most. The research highlights the importance of understanding local drivers of nitrogen pollution to develop targeted solutions.

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.

CU researchers awarded NIH grant for new center to study autoimmune diseases

A new center will be established at CU Anschutz Medical Campus to investigate rheumatoid arthritis and spondyloarthritis, with the goal of identifying new treatments and preventing disease. The center will combine resources from over 40 researchers and provide funding for graduate students and postdoctoral fellows.

40 simple steps to reduce deaths from critical illness

A new study by Karolinska Institutet outlines a baseline bundle of care interventions that could save millions of lives globally. The Essential Emergency and Critical Care (EECC) concept describes life-saving practices with low complexity and cost, benefiting critically ill patients.

Transforming science communication through the power of film

The Science Communication Lab has received a 3-year NSF grant to create new films and virtual workshops about novel breakthroughs and techniques in science. The lab aims to expand its work across filmmaking and education to reach broad and diverse audiences, emphasizing diversity, equity, and inclusion.

Antibiotic levels measurable in breath for first time

A team of engineers and biotechnologists has developed a biosensor that measures antibiotic levels in breath, mirroring blood concentrations. This breakthrough enables on-site, personalized dosing to minimize resistant bacteria strains.

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.

Japanese Knotweed extract could cut cancer risk of processed meat

Researchers have developed a new type of red meat that replaces nitrite with natural alternatives from plants and fruits, including Japanese Knotweed. The results showed significantly lower levels of nitrite content in participants' faeces compared to conventionally processed red meat.

Treating polycystic ovary syndrome costs $8 billion a year in US alone

A new study estimates that treating polycystic ovary syndrome (PCOS) costs the US $8 billion a year, primarily due to long-term metabolic health conditions like diabetes and cardiovascular disease. The analysis also found pregnancy-related costs contribute significantly to the total burden.

Simulated microgravity system created to experiment with materials

Researchers at the University of Barcelona have developed a simulated microgravity system that simulates conditions found in space, allowing for the study of 2D crystalline molecular structures. The system enables the growth of unique materials with unprecedented effects on orientation, compactness and generation.

Elephants benefit from having older siblings, especially sisters

A study of semi-captive Asian elephants found that calves raised with older sisters had higher long-term survival rates and reproduced earlier than those without a sibling. In contrast, male elephants raised with older sisters experienced lower survival but increased body weight.