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Science News Archive May 2021 - Page 25


Page 25 of 47

New immunotherapy 'highly effective' against hepatitis B

Scientists at UCL have identified a new immunotherapy that targets acyl-CoA:cholesterol acyltransferase (ACAT), an enzyme helping to manage cholesterol levels in cells. Boosting ACAT inhibition boosts specific immune cells fighting both the virus and cancerous tumours, demonstrating its effectiveness as an immunotherapy.

SourceUniversity College London·JournalNature Communications·DateMay 14, 2021

Maternal stress during pregnancy may shorten lifespans of male lizard offspring

A Penn State-led study found that maternal stress during pregnancy can shorten the telomeres of male lizard offspring, leading to decreased lifespan. The researchers discovered a sex-specific effect, where stressed mothers give birth to sons with significantly shorter telomeres, highlighting potential implications for human longevity.

SourcePenn State·JournalComparative Biochemistry and Physiology·DateMay 14, 2021

New technology enables rapid sequencing of entire genomes of plant pathogens

A new technology has made it possible to quickly sequence the entire genome of plant pathogens, enabling faster diagnosis and identification of emerging pathogens. This breakthrough has great implications for the plant pathology field, allowing for more accurate identification of difficult-to-diagnose pathogens.

SourceAmerican Phytopathological Society·JournalPlant Health Progress·DateMay 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.

Yoga and breathing exercises aid children with ADHD to focus

Researchers at Ural Federal University found that yoga and breathing exercises can improve attention and reduce hyperactivity in children with ADHD. The studies involved 16 children aged six to seven years who received special classes, including diaphragmatic rhythmic deep breathing exercises.

SourceUral Federal University·JournalBiological Psychiatry·DateMay 14, 2021

Genes associated with COVID-19 risk identified

Research identified specific genetic variants associated with COVID-19 risk, including the ABO gene and others like SLC6A20 and ERMP1. These variants can increase the chances of developing COVID-19, highlighting the importance of genetic factors in disease susceptibility.

SourceAmerican Thoracic Society·DateMay 14, 2021

Researchers pinpoint possible way to prevent permanent hearing loss caused by cancer drug

University of Alberta scientists have identified Toll-like receptor 4 as a potential target for preventing permanent hearing loss caused by the chemotherapy drug cisplatin. By inhibiting this receptor, they may be able to eliminate toxic side effects from the drug that cause hearing loss in childhood cancer survivors.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalEMBO Reports·DateMay 14, 2021

New pre-clinical model could hold the key to better HIV treatments

Researchers developed a unique pre-clinical model of long-term HIV infection using subset of human CD4 cells, excluding those prone to attacking mouse tissue. The model showed that memory CD4 cells can be infected and killed by HIV or protected by anti-HIV drugs, paving the way for T-cell based therapies

SourceWeill Cornell Medicine·JournalJournal of Experimental Medicine·DateMay 14, 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.

Few realistic scenarios left to limit global warming to 1.5°C

Only a few hundred climate scenarios avoid significantly overshooting the 1.5°C limit, according to a new study. All realistic scenarios require significant emission reductions and rely on multiple mitigation levers, including carbon removal and land use changes. The window for meeting the target is rapidly closing.

SourcePotsdam Institute for Climate Impact Research (PIK)·JournalEnvironmental Research Letters·DateMay 14, 2021

Cataloging breast cells to find cancer origins

The study created a comprehensive catalog of healthy breast tissue cells, enabling scientists to pinpoint the origin of abnormal changes. By tracking gene activity in over 15,000 cells, the team redefined healthy breast tissue and identified subpopulations with different responses to therapies.

SourceCold Spring Harbor Laboratory·JournalJournal of Mammary Gland Biology and Neoplasia·DateMay 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.

Solar wind from the center of the Earth

Researchers from Heidelberg University found solar noble gases in an iron meteorite, indicating that solar wind particles encased in the Earth's core over 4.5 billion years ago. The discovery suggests a new perspective on the Earth's mantle and its geochemical development.

SourceHeidelberg University·JournalCommunications Earth & Environment·DateMay 14, 2021

Pandemic boosts demand for postal delivery of abortion pill

Two studies published in Contraception found that telehealth abortion improves access to reproductive health services, particularly for low-income persons and those living in rural areas. The studies also showed that most patients prefer receiving abortion pills through the mail and interacting with healthcare providers via telehealth.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalContraception·DateMay 14, 2021

U-M researchers trace path of light in photosynthesis

Researchers at the University of Michigan have determined the first steps in converting light into energy for a type of bacteria that uses photosynthesis. By studying heliobacteria's reaction centers, they identified which pigments initially donate and accept electrons during charge separation.

SourceUniversity of Michigan·JournalNature Communications·DateMay 14, 2021

Emergence of a new heteronanostructure library

A research team at USTC reports a new class of axial superlattice nanowires (ASLNWs) that enable large lattice-mismatch tolerance and vast material combinations. They achieve this by designing an axial encoding methodology for predictable, high-precision synthesis.

SourceUniversity of Science and Technology of China·JournalJournal of the American Chemical Society·DateMay 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.

Researchers develop first-in-class inhibitors against key leukemia protein

A team of researchers has developed first-in-class small molecules to inhibit the SET domain of the ASH1L protein, preventing critical molecular interactions in leukemia development. The lead compound, AS-99, successfully reduced leukemia progression in mouse models.

SourceMichigan Medicine - University of Michigan·JournalNature Communications·DateMay 14, 2021

New research optimizes body's own immune system to fight cancer

A groundbreaking study by University of Minnesota researchers shows how engineered immune cells can move faster and more effectively through tumors, improving cancer therapies for millions worldwide. The research uses advanced gene editing technologies to modify T cells, enabling them to recognize and destroy cancer cells.

SourceUniversity of Minnesota·JournalNature Communications·DateMay 14, 2021

Fairness 'important - but not enough'

Researchers discovered that fair treatment alone is insufficient to foster a sense of value in groups; instead, recognizing individual talents and qualities provides a sense of inclusion while promoting mental health. This approach complements the idea of 'fitting in' by allowing individuals to stand out and feel valuable.

SourceUniversity of Exeter·JournalPLOS ONE·DateMay 14, 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.

Fibre-optics used to take the temperature of Greenland Ice Sheet

Researchers used fibre-optic sensing to obtain highly detailed temperature measurements from the surface of the ice sheet to its base, revealing a heterogeneous temperature distribution. This finding contradicts previous theories and highlights limitations in current models, including those predicting global sea-level rise.

SourceUniversity of Cambridge·JournalScience Advances·DateMay 14, 2021

The chemistry of magnesium turned on its head

Researchers at FAU have discovered a new class of magnesium complexes in which the metal has a zero-oxidation state, forming elemental Mg in complex compounds. This discovery represents a landmark in the chemistry of magnesium and opens up new avenues for research into its unusual reactivity.

SourceFriedrich-Alexander-Universität Erlangen-Nürnberg·JournalNature·DateMay 14, 2021

Above the noise

Scientists from Osaka University used machine learning methods to enhance signal-to-noise ratio in nanopore data, enabling higher precision measurements. The 'Noise2Noise' technique improved resolution of noisy runs, revealing faint features hidden by random fluctuations.

SourceOsaka University·JournalSmall Methods·DateMay 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.

Nagoya University scientists reveal unprecedentedly versatile new DNA staining probe

Kakshine is a new DNA fluorescent dye with unprecedented versatility, enabling super-resolution imaging of mitochondrial DNA in living cells and deep tissue imaging. Its applications include electrophoresis, quantitative PCR, and flow cytometry, making it a promising tool for DNA analysis.

SourceInstitute of Transformative Bio-Molecules (ITbM), Nagoya University·JournalNature Communications·DateMay 14, 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.

Most pediatric spinal fractures related to not wearing seatbelts

A study published in Spine Journal reveals that most pediatric spinal fractures occur in motor vehicle accidents where seatbelts are not used. The majority of these injuries (63%) occur in teenagers aged 15-17, who are at highest risk for MVA-related spinal fractures. Wearing a seatbelt significantly reduces the risk of death and spina...

SourceWolters Kluwer Health·JournalSpine·DateMay 14, 2021

You're so vein: Scientists discover faster way to manufacture vascular materials

Researchers at Beckman Institute develop new manufacturing process that shortens production time from two days to just minutes, enabling the creation of self-healing structural materials. The technology has potential applications in various fields, including aerospace and construction.

SourceBeckman Institute for Advanced Science and Technology·JournalNature Communications·DateMay 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.

New cyanobacteria species spotlights early life

Researchers have discovered a new species of cyanobacteria, Anthocerotibacter panamensis, which can help study the dawn of oxygenic photosynthesis. The species lacks thylakoids and has unique carotenoid biosynthesis pathways, providing insights into the evolution of photosynthesis.

SourceBoyce Thompson Institute·JournalCurrent Biology·DateMay 14, 2021
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

E-cigarettes associated with wheezing, shortness of breath

A web-based survey found that e-cigarette users had a higher risk of asthma, wheezing, and shortness of breath compared to non-users. The study also showed that past 30-day e-cigarette use was associated with increased respiratory symptoms even after controlling for cigarette and cannabis use.

SourceAmerican Thoracic Society·DateMay 14, 2021

New weapon in the fight against gastrointestinal disease in informal settlements

A new laboratory method called TaqMan Array Card (TAC) has been validated for detecting a diverse range of bacteria that cause diarrheal disease. The TAC is faster and cheaper than traditional methods while delivering comparable results, enabling comprehensive monitoring of enteropathogens in informal settlements.

SourceMonash University·JournalThe Lancet Planetary Health·DateMay 14, 2021

New research shows: Antoni van Leeuwenhoek led rivals astray

Researchers from Rijksmuseum Boerhaave Leiden and TU Delft used neutron tomography to examine a highly magnifying specimen without damaging it. The findings reveal that Van Leeuwenhoek's lenses were made using a common production method, contradicting long-held assumptions about his 'secret' technique.

SourceDelft University of Technology·JournalScience Advances·DateMay 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.

Lockdown led to positive lifestyle changes in older people

A University of Stirling study found that COVID-19 lockdowns triggered feelings of loneliness in older adults but also encouraged them to engage with technology, reconnect with friends, and build new relationships with neighbors. The research highlights the importance of addressing loneliness and social support in older adults, particu...

SourceUniversity of Stirling·JournalInternational Journal of Environmental Research and Public Health·DateMay 14, 2021

The mechanism of action of genes with high mutation frequency in cancer

A University of Seville group discovered the mechanism by which BRG1 inactivation leads to genetic instability and tumour formation. The study reveals that the SWI/SNF complex plays a crucial role in resolving chromosomal conflicts, and its mutation can cause DNA replication defects and chromosomal breaks.

SourceUniversity of Seville·JournalNature Genetics·DateMay 14, 2021

Availability of US hospital price data

Researchers evaluated hospital compliance with CMS ruling requiring public listing of charges in a machine-readable file, revealing inconsistent results. The study found that many US hospitals failed to comply with the rule, hindering transparency in healthcare pricing.

SourceJAMA Network·JournalJAMA Network Open·DateMay 14, 2021

How moths find their flame - genetics of mate attraction discovered

Researchers have identified the gene responsible for a male European corn borer moth's preference for its female counterpart's pheromone. The discovery provides insights into the evolution of mating signals and could help predict the spread of resistance to genetically modified insecticides, offering potential benefits for pest control.

SourceTufts University·JournalNature Communications·DateMay 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.

Ventilating the rectum to support respiration

Scientists successfully deliver oxygen through the lining of the intestine, a process called enteral ventilation or EVA, to alleviate respiratory failure. The method shows promise for reducing negative effects of oxygen deprivation and has potential as a less invasive alternative to traditional ventilators.

SourceTokyo Medical and Dental University·JournalMed·DateMay 14, 2021

Compound may prevent risk of a form of arrhythmia from common medications

A multi-institutional team has identified a compound that prevents the lengthening of the heart's electrical event, preventing cardiac arrhythmia. The compound, C28, enhances the IKs potassium ion channel function without affecting normal action potentials.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateMay 14, 2021

Harvesting light like nature does

Scientists at PNNL develop a novel material capable of capturing light energy, displaying high efficiency and programmability, with potential applications in photovoltaics, bioimaging, and beyond. The researchers' bio-inspired approach leverages natural hierarchical structures for exceptional properties.

SourceDOE/Pacific Northwest National Laboratory·JournalScience Advances·DateMay 14, 2021
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.

Where on Earth is all the water?

Researchers discovered that water can bond strongly with iron under extreme conditions, explaining the presence of significant amounts of hydrogen in the Earth's core. This finding suggests that much of the water that arrived on Earth during its formation might be stored in the core as hydrogen.

SourceUniversity of Tokyo·JournalNature Communications·DateMay 14, 2021