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Science News Archive April 2021 - Page 45


Page 45 of 46

Disrupted biochemical pathway in the brain linked to bipolar disorder

Researchers at University of Wisconsin-Madison discovered a disrupted Akt protein pathway in men with bipolar disorder, leading to memory problems and weakened brain connections. The findings offer a new target for treating bipolar disorder's often-overlooked cognitive impairments.

SourceUniversity of Wisconsin-Madison·JournalNeuron·DateApr 1, 2021

Researchers devise more efficient, enduring CAR gene therapy to combat HIV

The study shows that using a truncated form of the CD4 molecule as part of a gene therapy yields superior and longer-lasting results in mouse models than previous similar therapies. The new approach to CAR T gene therapy has the potential to create lifelong protection from HIV infection by producing memory cells.

SourceUniversity of California - Los Angeles Health Sciences·JournalPLOS Pathogens·DateApr 1, 2021

Gut microbiota in cesarean-born babies catches up

A study found that cesarean-born infants have less diverse gut microbiota at birth but catch up with their peers by age 3-5. The intestinal microbiota forms an ecosystem that takes years to mature, and its development can vary significantly among children.

SourceUniversity of Gothenburg·JournalCell Host & Microbe·DateApr 1, 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.

Diet + exercise + chemo = increased survival in youth with leukemia

A new study found that patients who followed a diet with reduced calories and increased exercise had 70% fewer detectable cancer cells after one month of chemotherapy. This intervention showed promise in increasing survival rates for youth with acute lymphoblastic leukemia, the most common childhood cancer.

SourceChildren's Hospital Los Angeles·JournalBlood Advances·DateApr 1, 2021

Poor judgment of autistic adults

A new study found that autistic adults are often misjudged due to stereotypical behaviors, leading to disadvantage in the legal system. The researchers argue that these behaviors can be misinterpreted by judges and juries, resulting in harsher sentences for autistic individuals.

SourceFlinders University·JournalJournal of Autism and Developmental Disorders·DateApr 1, 2021

Flowers!

Asteroid impact led to 45% plant extinction and paved the way for modern tropical rainforests. Plant diversity took over 10 million years to recover after the impact, with flowering plants dominating ecosystems.

SourceSmithsonian Tropical Research Institute·JournalScience·DateApr 1, 2021

2D materials for conducting hole currents from grain boundaries in perovskite solar cells

Researchers have developed a novel method to improve photovoltaic performance in perovskite solar cells by modifying grain boundaries with 2D materials. The modifications lead to enhanced carrier mobility and stability, even under certain conditions where grain boundaries are favorable for device performance.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateApr 1, 2021
Apple iPhone 17 Pro

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

Cohesive circuit protection for wearable electronics

A new cellulose nanofiber coating offers enhanced water resistance for flexible electronic devices, allowing them to withstand hundreds of bending cycles and underwater exposure. The coating's unique properties make it an ideal solution for medical devices used in emergency disaster response situations.

SourceOsaka University·JournalACS Applied Nano Materials·DateApr 1, 2021

Mt. Sinai Health Care Foundation awards $1 million grant to CWRU School o

The Mt. Sinai Health Care Foundation has awarded a $1 million challenge grant to the Case Western Reserve University School of Medicine's Department of Pharmacology. The grant will support recruitment and retention of exceptional faculty, as well as bridge funding for promising early-stage research.

SourceCase Western Reserve University·DateApr 1, 2021

Increasing applied pesticide toxicity threatens plants and insects

A study published in Science reveals that applied pesticide toxicity has increased substantially between 2004 and 2016, threatening plant and insect biodiversity. The findings apply to genetically modified (GM) crops, challenging the claim of decreasing environmental impact.

SourceUniversity of Koblenz-Landau·JournalScience·DateApr 1, 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.

Two plant immune branches more intimately connected than previously believed

Recent discoveries have revealed a complex picture of plant defense, with responses to PRR receptor signaling and NLR signaling extensively overlapping. The two immune branches are now considered to be more intimately connected than previously thought, leading to a re-thought model of separate ETI and PTI pathways.

SourceAmerican Phytopathological Society·JournalMolecular Plant-Microbe Interactions·DateApr 1, 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.

Stem cell transplants prevent relapses of most common childhood cancer

A new study finds that stem cell transplants after CAR T-cell therapy reduce relapse rates in childhood cancer patients by less than 10% two years later. The research suggests long-term benefits for young patients who receive the treatment, with most experiencing complete remission.

SourceUniversity of Virginia Health System·JournalJournal of Clinical Oncology·DateApr 1, 2021

African elephants only occupy a fraction of their potential range

African elephants could occupy a fraction of their potential range if protected from human pressure, with 62% of Africa suitable for their survival. The study found that elephants have great potential for recovery into areas where the human footprint is light.

SourceColorado State University·JournalCurrent Biology·DateApr 1, 2021

Large study identified new genetic link to male infertility

A large-scale study has identified a new genetic link to male infertility, revealing that unstable Y chromosomes are associated with a significantly increased risk of fertility issues. The study analyzed over 2,300 Estonian men and found that the genetic variation was more common in European descent populations.

SourceEstonian Research Council·DateApr 1, 2021

Pollen season in Switzerland earlier and more intense due to climate change

A study analyzing pollen data from 1990 to 2020 found that the pollen season has shifted substantially over the past 30 years, with some species starting as early as January. This increase in duration and intensity can lead to more severe health issues, including inflammation in the lungs and negative impacts on the cardiovascular system.

SourceSwiss Tropical and Public Health Institute·JournalThe Science of The Total Environment·DateApr 1, 2021

Undetected coronavirus variant was in at least 15 countries before its discovery

A highly contagious SARS-CoV-2 variant was unknowingly spreading in the US by October 2020, with evidence suggesting it had arrived in at least 15 countries by mid-November. Researchers estimate that travelers from the UK introduced the variant to these countries between Sept. 22 and Dec. 7, 2020.

SourceUniversity of Texas at Austin·JournalEmerging Infectious Diseases·DateApr 1, 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.

Plasma jets stabilize water to splash less

Researchers at KAIST discovered that plasma jets produce more stable interactions with water surfaces compared to neutral gas jets, reducing bubbling and splashing. The study's findings will help improve our understanding of plasma-liquid interactions and their applications in various industrial fields.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNature·DateApr 1, 2021

African elephants' range is just 17% of what it could be, study finds

A recent study found that African elephants' actual range has shrunk to just 17% of its potential due to human pressures, including ivory killing. Despite this, the researchers suggest that elephants can still recover into areas with light human footprint for peaceful coexistence.

SourceCell Press·JournalCurrent Biology·DateApr 1, 2021

A robot that senses hidden objects

Researchers have developed a robot that combines radio wave sensing with computer vision to locate and grasp occluded objects. RF-Grasp uses radio waves to sense objects even when they're fully blocked from view, enabling efficient fulfillment in warehouses or retrieving lost items.

SourceMassachusetts Institute of Technology·DateApr 1, 2021

Whisker simulation gives insight into mammals' sense of touch

Researchers at Northwestern University developed a mechanical simulation of the whisker inside the follicle, discovering that bending creates an 'S'-shaped bend within the follicle. This deformation triggers sensor cells, sending touch signals to the brain, and can predict how whiskers activate different sensory cells.

SourceNorthwestern University·JournalPLOS Computational Biology·DateApr 1, 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.

A PTV-based polymer enabled organic solar cells with over 16% efficiency

Researchers developed PTVT-T, a low-cost polymer with high photovoltaic performance, revitalizing classical conjugated polymers for efficient OSCs. The study achieved a remarkable 16.2% efficiency and demonstrated the potential of PTVT-T to match with new emerging acceptor materials.

SourceScience China Press·JournalNational Science Review·DateApr 1, 2021

Low risk of researchers passing coronavirus to North American bats

A new study by the USGS found that the risk of COVID-19 transmission to North American bats is low, with a risk of 1 in 1,000 if no protective measures are taken. The risk falls lower with proper use of personal protective equipment or if scientists test negative for COVID-19 before beginning research.

SourceU.S. Geological Survey·JournalConservation Science and Practice·DateApr 1, 2021

Origin of modern rainforests traced to end-Cretaceous asteroid impact

A recent study reveals that the end-Cretaceous asteroid impact drastically restructured tropical forests, leading to a decline in plant diversity and the emergence of angiosperms. The findings suggest that the impact's long-term effects on tropical ecosystems were variable, depending on proximity to the crater and local conditions.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 1, 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.

Polarized photovoltaic properties emerge

Scientists have found a way to create polarity and photovoltaic behavior in non-photovoltaic 2D materials by arranging them in a special way. The resulting effect is different from traditional solar cells and shows promise for future solar panel improvements.

SourceUniversity of Tokyo·JournalScience·DateApr 1, 2021

BrainGate: First human use of high-bandwidth wireless brain-computer interface

Researchers at Brown University have successfully demonstrated the use of an intracortical wireless BCI system in clinical trial participants with tetraplegia. The system enables users to point, click and type on a tablet computer with high accuracy and fidelity, opening up new possibilities for people with paralysis.

SourceBrown University·JournalIEEE Transactions on Biomedical Engineering·DateApr 1, 2021

Study predicts which kids hospitalized with RSV likely to worsen

A new study by researchers at WashU Medicine found that children hospitalized with RSV are likely to get sicker if they have high levels of defective viral genomes. These defective genomes can trigger a strong antiviral immune response, but timing matters in determining the course of illness.

SourceWashU Medicine·JournalNature Microbiology·DateApr 1, 2021
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.

Diet and exercise may increase efficacy of chemotherapy for children with cancer

A new pilot study suggests that restricting calories, reducing fat and sugar intake, and increasing physical activity can improve the effectiveness of chemotherapy for older children and adolescents with leukemia. The intervention showed promise in reducing minimal residual disease, a strong predictor of relapse.

SourceAmerican Society of Hematology·JournalBlood Advances·DateApr 1, 2021

Improving equity in the physics of medical devices

Achuta Kadambi's article in Science explores how medical device physics can perpetuate bias across racial and gender lines. He suggests quantifying sample fairness and recalibrating performance metrics to address these issues.

SourceUniversity of California - Los Angeles·JournalScience·DateApr 1, 2021

COVID-19 survivors might need just one dose of two-part vaccine

A study by Cedars-Sinai researchers found that individuals with prior COVID-19 infections who received a single dose of the Pfizer-BioNTech vaccine developed an antibody response similar to those without prior infection. The findings suggest that a single booster dose may be sufficient for previously infected individuals.

SourceCedars-Sinai Medical Center·JournalNature Medicine·DateApr 1, 2021

Spin-to-charge conversion achieves 95% overall qubit readout fidelity

Researchers develop innovative spin-to-charge conversion method to achieve high-fidelity readout of qubits, surpassing traditional resonance fluorescence method with an error rate of 4.6%. This breakthrough enables the realization of fault-tolerant quantum computing and improves detection efficiency for quantum sensors.

SourceUniversity of Science and Technology of China·JournalNature Communications·DateApr 1, 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.

Mice with hallucination-like behaviors reveal insight into psychotic illness

A new study in mice and people offers a promising entry point to developing new therapies for schizophrenia. Researchers found that hallucination-like events were more common among individuals who experienced spontaneous hallucinations, suggesting a link between brain circuits underlying both human and mouse minds.

SourceWashU Medicine·JournalScience·DateApr 1, 2021

Low-calorie diet and mild exercise improve survival for young people with leukemia

A low-calorie diet and moderate exercise program have been shown to dramatically improve survival outcomes for young people with acute lymphoblastic leukemia. After just one month of treatment, participants on the intervention had a 70% decrease in detectable cancer cells compared to those not on the regimen.

SourceUniversity of California - Los Angeles Health Sciences·JournalBlood Advances·DateApr 1, 2021

New GSA Bulletin articles published ahead of print in March

Researchers reconstruct the Mesozoic paleogeography of the NE Asian continental margin, revealing a transition from passive to active continental margin settings. Additionally, studies investigate low-δ18O A-type granites in SW China, suggesting interaction between the subducted Paleotethyan slab and the Emeishan mantle plume.

SourceGeological Society of America·JournalACM SIGSAM Bulletin·DateApr 1, 2021

Multilingual people have an advantage over those fluent in only two languages

A UTokyo-MIT study reveals multilingual adults can learn new languages faster and more efficiently than bilinguals, thanks to increased brain activity. Multilingual participants demonstrated superior language acquisition skills and faster processing times in a simulated Kazakh language learning environment.

SourceUniversity of Tokyo·JournalScientific Reports·DateApr 1, 2021
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Middle schoolers with elevated levels of mental health problems pre-pandemic showed reduction in symptoms during the early stages of the pandemic

A study found that middle schoolers from a predominantly Latinx community with elevated mental health problems showed significant reductions in symptoms during the early stages of the pandemic. Family functioning and socio-emotional learning programs may have offered protective effects.

SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateApr 1, 2021

Mask mandates, on-premises dining and COVID-19

A new CDC study reveals that state-issued mask mandates significantly reduced COVID-19 cases and deaths. On-premises restaurant dining restrictions also showed a notable decrease in virus transmission, highlighting the importance of public health measures during the pandemic.

SourceJAMA Network·JournalJAMA·DateApr 1, 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.

Trends in blood pressure among US children, teens

A nationally representative US study found increasing blood pressure levels among children and teens over the past 20 years, with significant rises in systolic and diastolic pressures. The study's findings highlight growing concerns about childhood hypertension, emphasizing the need for preventive measures.

SourceJAMA Network·JournalJAMA Network Open·DateApr 1, 2021

Capturing the complex

Researchers map human impacts on threatened and near-threatened marine species over time, revealing widespread and intensifying pressures. Corals are found to be severely impacted across their entire ranges, with climate-related impacts increasing in severity.

SourceUniversity of California - Santa Barbara·JournalScience·DateApr 1, 2021

Away with the bad cliché: Bacterial complexity is often underestimated

A new German research project aims to challenge the perception of bacteria as simple organisms by studying their complex behavior and multicellularity. The study seeks to gain a deeper understanding of bacterial life forms, with potential applications in combating antibiotic resistance and developing innovative biocatalysis.

SourceTechnische Universität Dresden·DateApr 1, 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.

Exposure to harmful chemicals in plastic may contribute to postpartum depression

A small study found that exposure to phthalates and bisphenols, commonly found in plastics, may contribute to lower progesterone levels during pregnancy and an increased likelihood of developing postpartum depression. Reducing exposure to these chemicals could be a potential avenue for preventing postpartum depression.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateApr 1, 2021

Smart glass has a bright future

Research demonstrates that smart glazing windows can decrease energy consumption for lighting and temperature control by up to 35 percent, while reducing CO2 emissions by up to 30 percent. The technology also optimizes natural daylight in a room, reducing reliance on artificial lighting.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Optical Microsystems·DateApr 1, 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.

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.

How dopamine drives hallucination-like perception in mice

A new study found that increased dopamine in the brain's striatum triggers auditory hallucination-like experiences in mice, shedding light on a possible causal role for dopamine-dependent neurological circuits in psychosis. This breakthrough could inform novel targeted treatments for schizophrenia and other psychotic disorders.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 1, 2021