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Science News Archive April 2021 - Page 28


Page 28 of 46

Scientists program microalgae's 'oil factory' to produce various oils

Researchers have programmed microalgae to produce fatty acids of different lengths, creating a more flexible cell factory for producing industrially relevant oils. This breakthrough could lead to the development of designer oils with various fatty acid chain lengths.

SourceChinese Academy of Sciences Headquarters·JournalMetabolic Engineering·DateApr 14, 2021

Research news tip sheet: Story ideas from Johns Hopkins Medicine

Researchers developed a new diagnostic tool that uses positron emission tomography and radioactive sugar to detect Enterobacterales infections. The technique was shown to be effective in detecting and localizing infections in patients, with no adverse effects.

SourceJohns Hopkins Medicine·JournalScience Translational Medicine·DateApr 14, 2021

Superbug killer: New nanotech destroys bacteria and fungal cells

Researchers have developed a new superbug-destroying coating that could be used on wound dressings and implants to prevent and treat potentially deadly bacterial and fungal infections. The material is effective against a broad range of drug-resistant bacteria and fungal cells, while leaving human cells unharmed.

SourceRMIT University·JournalACS Applied Materials & Interfaces·DateApr 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.

Tiny wireless implant detects oxygen deep within the body

Researchers at UC Berkeley created a tiny wireless implant that can measure tissue oxygen levels in real-time, allowing doctors to monitor the health of transplanted organs and tissues. The device could also track other biochemical markers, such as pH or carbon dioxide, providing early warnings of potential issues.

SourceUniversity of California - Berkeley·JournalNature Biotechnology·DateApr 14, 2021

Massive fragment screen points way to new SARS-CoV-2 inhibitors

Scientists identify 234 fragment compounds directly binding to SARS-CoV-2's Nsp3 Mac1 protein, mapping chemical motifs for potential antiviral drug development. The study lays out the next steps in designing and synthesizing more elaborate molecules with promising biological effects.

SourceDiamond Light Source·JournalScience Advances·DateApr 14, 2021

Auxin makes the spirals in gerbera inflorescences follow the Fibonacci sequence

Researchers have found that the spirals in gerbera inflorescences follow the Fibonacci sequence, with the number of left- and right-winding spirals determined by consecutive Fibonacci numbers. The study used X-ray tomography and confocal microscopy to examine how auxin levels influence the patterning of floral primordia.

SourceUniversity of Helsinki·JournalProceedings of the National Academy of Sciences·DateApr 14, 2021

Worm infections leave African women more vulnerable to STIs

A new study reveals that intestinal worm infections can change vaginal immunity and increase the likelihood of Herpes simplex virus type 2 (HSV-2) infection. The research found that targeting eosinophils can prevent this pathology, suggesting a potential solution to reduce STI severity.

SourceUniversity of Birmingham·JournalCell Host & Microbe·DateApr 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.

Of apples and oil pumpkins: News from microbiome research

Two independent studies on apples and oil pumpkins reveal that beneficial microorganisms are passed down to future generations, influencing plant traits. The global 'core' microbiome is shared among apples worldwide, with regional variations indicating adaptation to local environments.

SourceGraz University of Technology·JournalFrontiers in Plant Science·DateApr 14, 2021

Study sheds more light on use of oxytocin during labour

A recent study published in The BMJ found that discontinuing oxytocin stimulation during induced labour may lead to a reduced risk of uterine hyperstimulation and abnormal fetal heart rate. This finding suggests that routine discontinuation of oxytocin stimulation could be beneficial in settings with limited monitoring resources.

SourceBMJ Group·JournalThe BMJ·DateApr 14, 2021

Interlayer exciton formation, relaxation, and transport in TMDs van der Waals Heterostructures

Research on interlayer excitons in TMDs vdW heterostructures reveals ultrafast formation, long population recombination lifetimes, and intriguing spin-valley dynamics. The properties ensure good transport characteristics and pave the way for potential applications in efficient excitonic devices.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateApr 14, 2021
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.

Transforming circles into squares

Scientists transform circles into squares by temporarily softening a stiff material using capillary force, allowing for durable and reversible topological changes. The new approach enables applications in information encryption, selective particle trapping, and tunable mechanical properties.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalNature·DateApr 14, 2021

Why do some alloys become stronger at room temperature?

Researchers from NTNU and SINTEF have made a breakthrough in understanding the phenomenon of natural ageing, where certain alloy strengths increase over time. The team studied clusters formed by alloying elements using advanced microscopy techniques, discovering that these clusters affect metal strength.

SourceNorwegian University of Science and Technology·JournalActa Materialia·DateApr 14, 2021

How transcription factors work together in cancer formation

Researchers discovered that up to 60% of observed enhancers have coordinated binding events, indicating transcription factors work together to regulate gene expression. This cooperation may enable cancer cells to exploit existing enhancer systems, leading to changes in cellular identity.

SourceUniversity of Colorado Anschutz Medical Campus·JournalMolecular Cell·DateApr 14, 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.

Suicide among female nurses is double that of the general female population

A University of Michigan study found that female nurses are twice as likely to commit suicide as the general female population and 70% more likely than female physicians. The study highlights the need for high-quality wellness programs for nurses, who face extraordinary demands from COVID-19 and often struggle with work-life balance.

SourceUniversity of Michigan·JournalJAMA Psychiatry·DateApr 14, 2021

Are chemical pollutants altering the behaviour of wildlife and humans?

International scientists agree that chemical pollutants can impact wildlife and human behavior, calling for improved methods to study contaminated-induced behavioral changes. The recommendations include developing standardized toxicity tests and integrating behavioral toxicology into environmental risk assessments.

SourceUniversity of Portsmouth·JournalEnvironmental Science & Technology·DateApr 14, 2021

Seasonal water cycle fluctuations may trigger earthquakes in Taiwan

A new study reveals a strong correlation between changes in Taiwan's seismicity rate and its seasonal water cycle fluctuations. Shallow earthquakes in eastern Taiwan show an opposite correlation, with peak seismicity rates occurring in either winter or summer.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateApr 14, 2021
Celestron NexStar 8SE Computerized Telescope

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

Lab study solves textbook problem: How cells know their size

A recent study from Dartmouth College has uncovered the mechanism behind how cells determine their size, a crucial process that regulates cell division in growing organisms. The research found that histone H3 plays a key role in this process, releasing an enzyme called Chk1 to bind with another protein and stop cell multiplication.

SourceDartmouth College·JournalCurrent Biology·DateApr 14, 2021

Channel migration plays leading role in river network evolution, study finds

A new study finds that river systems exhibit lateral migration of channels, reorganizing drainage patterns into a dendritic structure. This phenomenon is not captured by existing numerical models and has significant implications for understanding river evolution and land use planning.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateApr 14, 2021

How to build a city that prioritizes public health

Researchers highlight the need for urban planning to promote physical activity, reduce air pollution, and improve chronic disease outcomes. Designing cities with inclusivity in mind can lead to better health outcomes, even during pandemics.

SourceColorado State University·JournalCurrent Environmental Health Reports·DateApr 14, 2021
Apple iPhone 17 Pro

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

Making waves in oceanography

A new theory explains how suspended sediment particles mysteriously move upward on submarine canyon slopes, defying gravity. This discovery helps understand biogeochemical cycles at continental margins and feeding behavior of suspension feeders like baleen whales and krill.

SourceFlinders University·JournalJournal of Marine Systems·DateApr 14, 2021

$1.9 million award could keep Zika virus at bay

A UC Riverside virologist has received a $1.9 million award to investigate how the Zika virus beats human defenses, with the goal of developing a vaccine and antiviral drug. The research aims to understand how the virus triggers the degradation of STAT2, a key host factor in activating interferons.

SourceUniversity of California - Riverside·DateApr 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.

Innovative technique developed to destroy cancerous kidney cells

Researchers developed a two-pronged approach targeting cancer progression and cell destruction, leveraging cathepsin S and p21 BAX proteins to treat kidney cancer. The novel peptide CS-PEP1 inhibits these proteins, encouraging cancer cell death and overcoming molecular resistance found in conventional chemotherapy treatment.

SourceUniversity of Surrey·JournalPharmaceutics·DateApr 14, 2021

Lower COVID-19 rates seen in US states with higher adherence to mask wearing

A state-by-state analysis of mask-wearing policies and COVID-19 rates reveals a strong association between high adherence to mask wearing and reduced spread of the virus. States with high mask-wearing rates had significantly lower COVID-19 rates, highlighting the importance of this public health measure in mitigating the pandemic.

SourcePLOS·JournalPLOS ONE·DateApr 14, 2021
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.

Cellular "hotspots" in the brain may signify the earliest signs of cancer

Researchers at King's College London have found small clusters of cells in the brain that identify locations where tumours could become malignant. The study suggests that these 'hotspots' could be the seedbeds for malignant progression, a process by which a tumour becomes a fast-growing and uncontrolled cancer.

SourceKing's College London·JournalNeuro-Oncology Advances·DateApr 14, 2021

UOC to provide teachers in Europe with training to improve online teaching

The UOC is involved in the ECOLHE project, which aims to create conditions for sharing best practices in online teaching across Europe. The project will provide recommendations for policymakers and academic bodies on how to build a European higher education area based on independent quality guarantees.

SourceUniversitat Oberta de Catalunya (UOC)·DateApr 14, 2021

Study: Black people may respond differently to common MS therapy than white people

A preliminary study suggests that Black people with autoimmune neurologic diseases like multiple sclerosis and neuromyelitis optica spectrum disorder may respond differently to a common therapy meant to modulate the immune system. After treatment, 76% of Black patients had detectable B-cell levels, compared to 33.3% of white patients.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 14, 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.

Birds take tRNA efficiency to new heights

Recent genomic analyses reveal that bird genomes contain fewer tRNA genes compared to other vertebrates, yet exhibit similar usage patterns. The authors found that the contraction in tRNA genes is balanced by preferences for certain isoacceptor families, ensuring optimal translational efficiencies.

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalGenome Biology and Evolution·DateApr 14, 2021

New study reveals charge transfer at interface of spinel oxide and ceria during CO oxidation

A recent study has unveiled a new principle that active charge transfer at the interface between non-noble metals can enhance the catalytic performance of complex oxide catalysts. The researchers found that CeO2-deposited spinel oxide nanocubes exhibited a 12-times higher CO oxidation rate than pristine Co3O4 NCs.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalACS Catalysis·DateApr 14, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Short duration of the Yixian Formation and 'Chinese Dinosaurs Pompeii'

The study provides precise geochronological constraints on the duration of the Yixian Formation and its units, revealing a shorter duration than previously estimated. The results suggest a rapid bio-diversification event during this period, supported by the exceptionally preserved volcanic-influenced ecosystem.

SourceScience China Press·JournalNational Science Review·DateApr 14, 2021

Tracking the evolution of the novel P.1 SARS-CoV-2 lineage in Manaus, Brazil

The novel P.1 SARS-CoV-2 lineage emerged in November 2020, exhibiting 17 mutations, including those in the spike protein, making it more transmissible and lethal than its predecessor. Enhanced global genomic surveillance is critical to address increased transmission and immune evasion

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 14, 2021

Grave goods show gendered roles for Neolithic farmers

Researchers found differences in tool size, weight, and raw material dependent on sex, with women's tools linked to animal skin work and men's to hunting. This suggests that gendered roles played a crucial part in the transition to farming.

SourceUniversity of York·JournalPLOS ONE·DateApr 14, 2021

Cultivating Matsutake, valuable edible fungi

Researchers at Shinshu University successfully cultivated matsutake mushrooms by germinating spores and inducing mycelia in the soil of Japanese red pine roots. This breakthrough could lead to an artificial cultivation technique for these valuable edible fungi, addressing declining natural habitats.

SourceShinshu University·JournalMycorrhiza·DateApr 14, 2021
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 sound waves to make patterns that never repeat

Mathematicians and engineers at the University of Utah have developed a method to create quasiperiodic structures using ultrasound waves, which could lead to customizable materials. The researchers created a pattern similar to a Penrose tiling by arranging carbon nanoparticles in an octagonal setup.

SourceUniversity of Utah·JournalPhysical Review Letters·DateApr 14, 2021

New study reveals brain basis of psychopathy

A Finnish study found that psychopathic criminal offenders and well-functioning individuals with similar traits have altered brain structure and function in emotional regulation areas. The more psychopathic characteristics a person has, the more their brain resembles that of psychopathic criminals.

SourceUniversity of Turku·JournalCerebral Cortex·DateApr 14, 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.

Set of genetic markers in lung cancer identified

Researchers at Wake Forest School of Medicine have identified a set of new genetic markers that could lead to targeted treatments for non-small cell lung cancer. The study found that tumors with mutated KMT2 genes exhibit genetic instability, making them more sensitive to PARP inhibitors.

SourceAtrium Health Wake Forest Baptist·JournalCancer Research·DateApr 14, 2021

To improve climate models, an international team turns to archaeological data

Researchers develop a new land-use classification system to improve climate models by incorporating archaeological data, revealing the diversity and intensity of human activities that affected past land cover. The project aims to fill gaps in climate modeling predictions and provide insights into global climate patterns.

SourceUniversity of Pennsylvania·JournalPLOS ONE·DateApr 14, 2021

New method measures super-fast, free electron laser pulses

Researchers at Los Alamos National Laboratory have created a new technique to measure ultrafast extreme ultraviolet laser pulses. By utilizing photoionization as an optical shutter, they can encode the electric field of the pulse in a visible light signal, allowing for its measurement with a standard camera.

SourceDOE/Los Alamos National Laboratory·JournalOptica·DateApr 14, 2021

Australian researchers find new way to target deadly childhood cancer

Australian researchers have discovered a new therapeutic approach for treating Diffuse Intrinsic Pontine Glioma (DIPG), a currently incurable brain cancer in children. Using the anti-cancer compound CBL0137, which targets the key genetic driver of DIPG, has shown promising results in both laboratory tests and animal models.

SourceChildren's Cancer Institute Australia·JournalCell Reports·DateApr 14, 2021
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.

Math professor awarded NSF grant for research

Nilabja Guha, a UMass Lowell professor, received a three-year NSF grant to develop statistical tools for analyzing changes in data. The project aims to fill a gap in the analysis of changes in data and will focus on Bayesian change-point analysis.

SourceUniversity of Massachusetts Lowell·DateApr 14, 2021

Most differences in DNA binding compounds found at birth in children conceived by IVF not seen in early childhood, NIH study finds

A NIH study found that newborns conceived through IVF had certain chemical modifications to their DNA, but these changes were not seen in early childhood. The study also found no differences in growth and development for this group.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalFertility and Sterility·DateApr 14, 2021

HSE University researchers track language abilities of russian children with ASD

A study published in Journal of Autism and Developmental Disorders describes the language abilities of Russian children with Autism Spectrum Disorder (ASD) at various linguistic levels. The researchers found significant differences between groups in all subtests, except for the simplest word repetition. Children with ASD had lower accu...

SourceNational Research University Higher School of Economics·JournalJournal of Autism and Developmental Disorders·DateApr 14, 2021