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Science News Archive April 2021


Page 45 of 46

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.

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.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

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.

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.