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Science News Archive October 2021


Page 23 of 40

Big differences found in male and female jojoba plant sex genes

Researchers identified a wide divergence of sex chromosomes in jojoba plants, which could lead to the development of a DNA test to identify male and female plants. The study reveals that male and female jojoba plants have diverged genetically due to environmental stress, with differing reproductive resource allocation requirements.

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.

A new twist on 2D materials may lead to improved electronic, optical devices

Researchers found that tuning the interface and twist angle of layered 2D materials enhances key properties, leading to stronger interlayer coupling and improved electronic and optical device performance. This discovery has great importance for various applications in optoelectronics, electronics, batteries, lighting, and appliances.

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.

The inside story of England COVID pandemic described in new study

The study analyzed SARS-CoV-2 genomic surveillance data from England, identifying key variants like Alpha and Delta that changed the course of the epidemic. These variants led to significant growth advantages, with Delta's growth rate being 59% higher than Alpha's, more than doubling the average growth rate of the virus.

Ultrafast control of quantum materials

Scientists harness light to alter solid properties and create new applications for high-speed information processing, lossless energy transfer, and quantum technologies. The team reviews the latest developments in ultrafast materials science and explores unifying themes for controlling materials with light.

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.

Unique underpinnings revealed for stomach’s acid pump

Scientists have improved understanding of a key protein that makes the stomach acidic, shedding light on potential applications in drug development. The study found an unusual feature in the protein, which needs to bind to only one potassium ion to trigger its pump mechanism.

Noninfectious versions of SARS-CoV-2 provide powerful research tools

Researchers created noninfectious SARS-CoV-2 replicons that mimic the viral life cycle and can be used to test drugs and neutralizing antibodies. The replicons can also identify human proteins necessary for viral replication and screen chemical libraries for antiviral compounds.

The planet does not fall far from the star

Scientists confirm a link between planetary and stellar compositions, with some planets exhibiting higher iron content than their host stars. This study provides insights into planetary formation and evolution, shedding light on potential habitability and constraining possible compositions.

Measles: activation of two different innate immune responses spotted

Infection with measles virus triggers the activation of both RNA and DNA virus immune responses. The virus affects mitochondrial growth and division, causing their fusion and release of mitochondrial DNA into the cytoplasm. This leads to the activation of the cGAS immune response, which is also triggered by DNA viruses.

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.

Predict phosphine reactivity with one simple metric

Researchers developed a predictive tool using %V bur (min) to categorize phosphine structures as active or inactive in many experimental datasets. This advancement will facilitate organometallic chemistry and catalysis, enabling easier computation and prediction of phosphine reactivity.

COVID's crushing impact on public health

A new study reveals the devastating impact of COVID-19 on public health, with the workforce experiencing extreme exhaustion and burnout. The pandemic response has swamped healthcare workers, leaving critical services such as chronic disease prevention, maternal-child health, and environmental health on hold.

Shedding light on mysterious jellyfish diets

Researchers used stable isotopes and fatty acids to unlock the secrets of jellyfish feeding. They found that jellyfish diets could look quite different than expected, with some species not incorporating certain prey into their bodies.

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.

New program can help COVID alert app improve vaccination campaigns

Researchers developed a program to target vaccinations using digital contact tracing technology, which can almost halve the number of vaccines required to bring the pandemic under control. The new program prioritizes individuals with the most contacts for vaccinations while keeping personal data private.

Synthetic biology moves into the realm of the unnatural

Researchers at UC Berkeley engineered bacteria to produce an unnatural molecule through a combination of synthetic chemistry and biology. This breakthrough enables the creation of previously impossible chemicals, paving the way for sustainable materials and innovative products.

New paper lays out agenda for the next generation of biodiversity research

A new paper from University of British Columbia expert Dr. Mary O'Connor emphasizes the need to consider feedbacks in biodiversity research and policy making to mitigate negative consequences for humans. The authors propose building national and global biodiversity observatories to monitor ecosystems and human activities, enabling data...

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.

Packard Foundation backs Rice bioengineer

Rice University's Neuroengineering Initiative is working on developing noninvasive systems to monitor and control the brain. Jerzy Szablowski aims to achieve single-cell precision in 15-20 years through innovative receptor development and gene therapy.

Research confirms findings of high viral loads of SARS-Co-V-2 in children

A study published in the Journal of Infectious Diseases found that children can carry high levels of live, replicating SARS-CoV-2 virus in their respiratory secretions, with no correlation between age and viral load. The researchers also noted that viral loads are highest early in the illness in both symptomatic and asymptomatic children.

Study could pave way for creating safer opioids

Researchers have identified a new pathway for opioid-induced reward in the brain, paving the way for creating safer opioids. By altering the opioid peptide receptor MOPR, pharmaceutical companies can potentially create drugs that bypass the brain's reward system.

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.

Photon-pair source with pump rejection filter fabricated on single CMOS chip

Researchers have demonstrated a new wavelength-tunable, silicon photon-pair source integrated with a pump rejection filter in a single CMOS chip. The device represents an important step toward an entangled photon source that incorporates active photonic devices and feedback control circuits on the same CMOS chip.

Nanoscale lattices flow from 3D printer

Rice materials scientists develop a method to print arbitrary 3D shapes, creating micro-scale electronic, mechanical and photonic devices. The process involves two-photon polymerization and doping with rare earth salts for photoluminescent properties.

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.

Concordia researchers develop a new model to assess for flood hazards

A new methodology creates a watershed-scale flood model based on LiDAR data, providing precise elevation readings and riverbed depth information. The system can predict flood conditions and provide warnings to area residents, making it applicable to large rivers and smaller streams.

German scientists develop multimodal fiber probe for in vivo tissue diagnostics

A team of scientists from Germany develops a novel all-fiber based endoscopic set-up for multimodal non-linear endoscopy, allowing for the reliable assessment of tissue and successful surgery. The probe enables label-free tissue diagnostics, including tumor margin detection, and has the potential to improve patient care and reduce costs.

Breastfeeding linked to lower risk of type 1 diabetes

Research by Karolinska Institutet suggests that longer breastfeeding and later introduction to gluten may reduce the risk of developing type 1 diabetes. The study analyzed 5,935 articles and found a significant protective effect against the disease.

Artificial intelligence helps to find new natural substances

A team of bioinformaticians at Friedrich Schiller University Jena developed a method to identify small active substance molecules using machine-learning methods. They successfully identified 11 new, previously unknown bile acids in mice using this approach.

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.

Snakes diversified explosively after the dinosaurs were wiped out

A study found that snakes rapidly diversified their diets following the K-Pg mass extinction event, incorporating birds, fish, and small mammals into their diet. This diversification was triggered by ecological opportunities presented by the extinction, with some lineages experiencing further bursts of adaptive evolution.

How your firm's Tweets affect its value—both temporarily and permanently

Researchers found that tweets with negative valence and consumer orientation generate permanent price impacts, while those with positive valence and competitor orientation increase temporary price impacts. Firms can design social media content to improve firm value by incorporating attributes such as valence and subject matter.

$2.6 million grant to help establish online clinical engineering program

The University of Missouri is developing an online certificate program for clinical engineers through a $2.6 million grant from the Missouri Department of Higher Education and Workforce Development. The program aims to increase the number of trained and qualified clinical engineers in the workforce, particularly in rural communities.

Study finds singing and imagining improvised music elicits flow-like brain states

Researchers at Georgia State University found that singing and imagining improvised music elicits the same flow-like brain states as when musicians are actually performing. The study used fMRI data to identify how a musician's brain reconfigures connectivity depending on the degree of creativity required during jazz performances.

Filling the gaps: connecting genes to diseases through proteins

A new study identified thousands of protein connections to various human diseases, suggesting a common origin in the genome. This approach linked genetic variations to specific proteins, providing insights into disease mechanisms and potential treatment strategies.

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.

Pesticide linked to chronic kidney disease

A University of Queensland study found that people exposed to higher amounts of the insecticide Malathion have a 25% higher risk of kidney dysfunction. Chronic kidney disease is a permanent condition characterized by loss of renal function and is often associated with age, hypertension, and diabetes.

Incidence estimation from SARS-CoV-2 genomes

Researchers developed a computational method to estimate new infection rates from genomic sequences, revealing decreased case detection in Europe during summer 2020 due to relaxed testing criteria. The study also highlights the effects of non-pharmaceutical interventions on COVID-19 spread.

Vitamin D supplement may enhance dairy cows’ immune health

Researchers found that vitamin D supplementation with calcidiol increased the expression of genes related to cell adhesion and migration, pathogen recognition, and pathogen killing in dairy cows. This suggests a possible link between vitamin D and enhanced immune function, particularly during early lactation.

Study discovers unique brain signature of intimate partner aggression

Researchers at VCU used fMRI to examine brain activity of couples experiencing intimate partner aggression, finding a unique brain signature in the medial prefrontal cortex. The study also found that blunted activity in this region predicted real-world acts of intimate partner violence.

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.

Gene regulation: Silencing factor for endogenous retroviruses identified

Researchers at LMU have identified a new silencing factor for ERV genes, enabling the formation of condensed chromatin structures that inhibit activation. This discovery sheds light on the role of histone variants in regulating gene expression and may have implications for treating autoimmune diseases and cancers.

Freezing fruit flies for future function

Scientists from the University of Tsukuba have developed a new technique to preserve Drosophila primordial germ cells, which can be used to produce new offspring. The cryopreserved PGCs were found to be effective after up to 400 days of long-term storage.

Welcoming composite inks into the fold

A new composite ink composed of ceramic particles in polymer acrylonitrile-butadiene-styrene (ABS) has been developed to make foldable electronics easier and cheaper to manufacture. The ink enables the creation of flexible, large-area dielectric substrates suitable for millimeter-wave devices, including 5G antennas.

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.

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.