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Science News Archive 2021 - Page 116


Page 116 of 510

Robust gene networks from the depths of our evolutionary history

Researchers have identified a series of genetic switches, called enhancers, that ensure the correct amount and distribution of Gremlin1 protein during embryonic development. This discovery sheds light on the evolutionary history of human limb development and highlights the importance of robust gene networks in shaping our body's form.

SourceUniversity of Basel·JournalNature Communications·TypeExperimental study·DateSep 29, 2021

Melbourne-made COVID-19 treatment could future-proof Australia

Scientists have discovered antibodies that block the SARS-CoV-2 virus from entering cells in preclinical models. The discovery paves the way for clinical trials of monoclonal antibody treatments to prevent severe COVID-19 infection, and could provide immediate protection against the virus.

SourceWalter and Eliza Hall Institute·JournalCell Reports·TypeExperimental study·DateSep 29, 2021

Researchers identify and clear efficiency hurdle for organic solar cells

A team of researchers from the University of Cambridge has identified a key loss pathway in organic solar cells that reduces their efficiency. By manipulating molecules inside the solar cell, they found a way to suppress this pathway and potentially overcome the hurdle for organic solar cells to compete with silicon-based cells.

SourceUniversity of Cambridge·JournalNature·TypeImaging analysis·DateSep 29, 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.

Quantum dots enable infrared lasing at room temperature for silicon photonics

Colloidal quantum dot technology enables infrared lasing at room temperature, paving the way for low-cost solution-processed and CMOS integrated lasing sources. The breakthrough discovery may facilitate fully integrated silicon photonics, enabling lower power consumption, higher data rates, and multi-spectral 3D imaging capabilities.

SourceICFO-The Institute of Photonic Sciences·JournalNature Photonics·TypeMeta-analysis·DateSep 29, 2021

Scientists first to achieve Wannier-Stark localization in polycrystals

Researchers from Paderborn University and Max Planck Institute for Polymer Research have successfully demonstrated Wannier-Stark localization in polycrystalline substances. This achievement marks a significant step towards developing affordable optical modulators with broad applications in telecommunications and other fields.

SourceUniversität Paderborn·JournalNature Communications·DateSep 29, 2021

Staying on long-term antidepressants reduces risk of relapse

A new study by UCL researchers has found that staying on long-term antidepressants reduces the risk of relapse by 39% compared to those who stop taking them. The study involved 478 primary care patients and found that 56% experienced a relapse within a year if they discontinued their medication, while only 26% did so after a full year.

SourceUniversity College London·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateSep 29, 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.

Mars’ surface shaped by fast and furious floods from overflowing craters

Researchers found that lake breach floods played a crucial role in shaping the Martian surface, creating river valleys with nearly a quarter of the Red Planet's total volume. The study's findings suggest that these floods had a lasting impact on the surrounding landscape, influencing the formation of other nearby river valleys.

SourceUniversity of Texas at Austin·JournalNature·TypeImaging analysis·DateSep 29, 2021

Extending LIGO's reach into the cosmos

A new study by LIGO reveals a new type of mirror coating made of titanium oxide and germanium oxide reduces background noise in mirrors by a factor of two. This allows for an eight-fold increase in the volume of space that can be probed, enabling more frequent detection of gravitational waves.

SourceCalifornia Institute of Technology·JournalPhysical Review Letters·TypeExperimental study·DateSep 29, 2021
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.

New tool predicts changes that may make COVID variants more infectious

Researchers at Penn State have created a novel framework to predict amino-acid changes in the virus' spike protein that may improve its binding to human cells and confer increased infectivity. The tool can aid in early implementation of public health measures to prevent the virus's spread.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateSep 29, 2021

ECMO life support offers sickest COVID-19 patients a chance to survive, but a slimmer one than once thought

A new study found that the survival rate of COVID-19 patients on ECMO has decreased over time, with those treated later in the pandemic having lower chances of survival. Careful patient selection and resource management are essential for hospitals offering ECMO to maximize survival rates.

SourceMichigan Medicine - University of Michigan·JournalThe Lancet·TypeData/statistical analysis·DateSep 29, 2021

Notifying pharmacies of discontinued prescriptions helps reduce safety events

A study by Intermountain Healthcare found that notifying pharmacies of discontinued prescriptions can prevent almost 200 safety events over two months. By using a CancelRX functionality in their electronic medical record system, the team was able to avoid these events and ensure patients only receive correct medications.

SourceAmerican College of Cardiology·DateSep 29, 2021

Researchers overcome translational gap by developing novel in vivo model for the labeling of insulin secretory granule pools

A transgenic pig model has been developed allowing for the first time the in vivo fluorescent labeling of age-distinct insulin secretory granule pools. This model enables researchers to study insulin turnover in normoglycemic conditions, closing the translational gap between humans and rodents.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 29, 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.

AI-driven dynamic face mask adapts to exercise, pollution levels

Researchers developed a dynamic respirator that modulates pore size in response to changing conditions like exercise and air pollution. The device features an AI-powered system that adjusts filtration characteristics wirelessly, providing improved breathability and comfort.

SourceAmerican Chemical Society·JournalACS Nano·DateSep 29, 2021
Apple iPhone 17 Pro

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

Study raises questions about access to urban parks during the pandemic

A new study found that urban park use declined in North Carolina during the pandemic, disproportionately affecting minorities and lower-income backgrounds. The study used survey responses and cell phone tracking data to analyze outdoor park use across the state.

SourceNorth Carolina State University·JournalFrontiers in Sustainable Cities·TypeObservational study·DateSep 29, 2021

The best way to evaluate ESL texts for reading effort

Researchers found that newer formulas considering lexical sophistication, syntactic complexity, and cohesion predict ESL reading effort more accurately than traditional formulas. Eye-tracking data revealed that longer fixations, shorter movements, skipped words, and regressions indicate higher reading difficulty.

SourceUniversity of Tsukuba·JournalLanguage Learning·DateSep 29, 2021

"Is that a bacon sandwich?" - Fruit flies react to smells while asleep

Researchers tracked fruit flies' ability to interpret information while asleep, discovering a specific brain region involved in processing salient smells. The study used defined fly brains to analyze neural connections, finding that aversive odors woke the flies up more often than attractive ones.

SourceImperial College London·JournalNature·TypeExperimental study·DateSep 29, 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.

Team rewires a behavioral circuit in the worm using hydra parts

A team of researchers at the Marine Biological Laboratory has developed a system called HySyn, which uses neuropeptides from Hydra to synthetically reconnect neural circuits in the C. elegans brain. This allows for the creation of an artificial synapse that rewires a behavioral circuit, enabling the worm to communicate more effectively.

SourceMarine Biological Laboratory·JournalNature Communications·DateSep 29, 2021

Differential effects of UK COVID-19 lockdowns tracked across social groups

A new study of 51,000 UK adults found that COVID-19 lockdowns had differential impacts on people's income, time use, and subjective well-being based on their gender, ethnicity, and educational level. The study suggests that these inequalities may persist even after lockdown restrictions eased.

SourcePLOS·JournalPLOS ONE·TypeSystematic review·DateSep 29, 2021

Designing ‘smart’ security for smart devices

Researchers aim to create a flexible security feature that learns from past cyberattacks and requires minimal human intervention. They'll collaborate with device developers to share solutions and improve future responses to attacks.

SourceUniversity of Missouri-Columbia·DateSep 29, 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.

EMS ketamine use on agitated patients on cocaine increases intubation 5.75-fold

A new study published in Prehospital and Disaster Medicine found that prehospital ketamine administration for excited delirium with concomitant cocaine intoxication significantly increases the risk of subsequent emergency department intubation. The study's findings suggest that cocaine may deplete excitatory neurotransmitters, leading ...

SourceFlorida Atlantic University·JournalPrehospital and Disaster Medicine·TypeObservational study·DateSep 29, 2021

Molecular burdocks: peptides guide self-assembly on the micrometre scale

Scientists use specific self-assembling peptides to organize silica nanoparticles into larger structures, demonstrating a new approach to self-assembly. The researchers' method enables the creation of novel materials with various applications, including drug delivery systems and nanocatalysts.

SourceUniversity of Vienna·JournalAngewandte Chemie·DateSep 29, 2021

Study shows trust is still at heart of NHS Covid app reluctance

A new study found that trust and understanding hindered adoption of the NHS App, with BAME participants having particularly negative views. Despite high compliance rates, older adults were less likely to download the app, while those who deleted it cited concerns over tracking and effectiveness.

SourceUniversity of Nottingham·JournalJournal of Medical Internet Research·TypeSurvey·DateSep 29, 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.

Hydropower and wind may replace oil and gas in Russia

Researchers believe that wind and hydropower are the most promising renewable energy sources in Russia, with suitable areas for installation identified. However, the transition to these energy sources has been slow due to reliance on fossil fuels and nuclear energy.

SourceUral Federal University·JournalEnergy Reports·DateSep 29, 2021

Making waves: A contactless way to detect damage in transparent materials

Researchers create a novel framework for generating and detecting Lamb waves in transparent materials without damaging the sample. They use laser-induced plasma shock waves and high-speed polarization cameras to spot microscopic scratches, demonstrating potential for non-contact damage detection.

SourceShibaura Institute of Technology·JournalOptics and Lasers in Engineering·TypeExperimental study·DateSep 29, 2021

Exoskeleton research demonstrates the importance of training

Researchers at Stanford University found that exoskeletons work best when users are given time to learn how to use the device, with customized control improving performance by around half. Participants who received optimized training saw significant reductions in energy expenditure, with benefits persisting even after they became experts.

SourceStanford University·JournalScience Robotics·DateSep 29, 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.

Researchers use classical music to make protein songs more pleasant to listen to

By analyzing pitch, length, octaves, chords, dynamics, and main theme of four pieces from the mid-1800s Romantic era of classical music, researchers created protein songs with improved musicality. The study found that using a specific music style guided the structure of proteins to produce more pleasant melodies and harmonies.

SourceCell Press·JournalHeliyon·TypeExperimental study·DateSep 29, 2021

Visible passion wins investors over more than pitch content

A study published in Academy of Management Discoveries found that visual information, including body language and facial expressions, plays a crucial role in investor decision-making. Researchers played silent videos of entrepreneurial pitches to expert investors and novices, who correctly identified the original winners. The study sug...

SourceUniversity College London·JournalAcademy of Management Discoveries·TypeObservational study·DateSep 29, 2021

Expanding the genetic code with quadruplet codons

Researchers have developed a quadruplet codon system that could encode 256 distinct amino acids, allowing for the creation of proteins with tailored characteristics. The system uses tRNAs to translate information from DNA and RNA into amino acid building blocks, with promising results in translating segments of a protein.

SourceScripps Research Institute·JournalNature Communications·TypeExperimental study·DateSep 29, 2021

Licking a Tootsie Roll® sensor to monitor health

A team of researchers has developed a low-cost and low-waste device that uses Tootsie Roll candy as an electrode to monitor ovulation status or kidney health. The sensor works by detecting changes in salt levels in saliva, with preliminary tests showing promising results.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateSep 29, 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.

European fishing communities face their own specific climate risks

Millions of Europeans depend on fishing for food and livelihood, with ocean warming affecting fish distribution and abundance. Regional differences in climate risk highlight the need for locally adapted approaches, including social safety nets and income support.

SourceRoyal Netherlands Institute for Sea Research·JournalProceedings of the National Academy of Sciences·TypeNews article·DateSep 29, 2021

Diabetes divide widens between rich and poor in Scotland

A new study reveals marked socio-economic inequalities in Scotland's type 2 diabetes prevalence, with the gap widening over time. Women in the most deprived areas are almost 2.5 times more likely to have type 2 diabetes than those in the least deprived areas.

SourceDiabetologia·JournalDiabetologia·DateSep 29, 2021

Pancreatic cancer ‘priming’ may make chemotherapy more effective

Researchers have discovered a new approach to prime the tumor environment to make chemotherapy more effective for pancreatic ductal adenocarcinoma. By reducing stiffness and density of connective tissue, cancer spread was reduced by up to 50%. The study paves the way for a clinical trial to assess the therapy approach's effectiveness.

SourceGarvan Institute of Medical Research·JournalScience Advances·DateSep 29, 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.

Roster of care team photos, roles improved patient recognition, experience

Researchers found that providing patients with a clinician team roster increased recognition of each clinician's name and face, with an average increase of 4.57 out of 5 on a five-point Likert scale. This improvement was particularly notable during the COVID-19 pandemic when universal masking made facial recognition more challenging.

SourceAmerican College of Cardiology·DateSep 29, 2021

Two new species of large predatory dinosaur discovered on Isle of Wight

Scientists have discovered two new species of spinosaurid dinosaurs on the Isle of Wight, providing significant insights into the UK's spinosaurid population. The newly found fossils, including Ceratosuchops and Riparovenator, measure around nine meters in length and suggest a diverse ecosystem with multiple predators.

SourceUniversity of Southampton·JournalScientific Reports·TypeCase study·DateSep 29, 2021

AI improves precision in breast cancer diagnosis

Researchers at Karolinska Institutet developed an AI-based tool to improve breast cancer diagnosis and predict recurrence risk. The method divides patients with grade 2 tumours into high-risk and low-risk sub-groups, enabling personalized treatment.

SourceKarolinska Institutet·JournalAnnals of Oncology·DateSep 29, 2021

Clover growth in Mars-like soils boosted by bacterial symbiosis

Researchers found that clover grown with symbiotic nitrogen-fixing bacteria in Martian regolith experienced significant 75% more root and shoot growth compared to uninoculated plants. However, the regolith showed no excess production of nitrogen compounds, suggesting a potential role for these microbes in terraforming Mars soils.

SourcePLOS·JournalPLOS ONE·TypeExperimental study·DateSep 29, 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.

Dramatic liana increases in old-growth tropical forests associated to natural disturbance and climate change

A 10-year study in Panama's Barro Colorado Island found that liana density increased dramatically due to natural canopy disturbance, with most of the growth attributed to gaps in the canopy. The study suggests that environmental factors like climate change may also be contributing to this phenomenon, but to a lesser extent.

SourceSmithsonian Tropical Research Institute·JournalEcology Letters·DateSep 29, 2021

Groundwater markets could promote solutions to the West’s water woes

A groundwater market in California's Mojave desert stabilizes resources and increases property values by 200%, generating a net benefit of at least $400 million. The cap-and-trade system enables water to be used more productively while compensating original owners.

SourceUniversity of California - Santa Barbara·JournalJournal of Political Economy·TypeCase study·DateSep 29, 2021

Photonic chip is key to nurturing quantum computers

A team of researchers at Bristol's Quantum Engineering and Technology Labs has developed a silicon photonic chip that can protect quantum bits from errors using photons. This breakthrough could lead to the creation of more powerful quantum computers by reducing the fragility of qubits.

SourceUniversity of Bristol·JournalNature Physics·TypeComputational simulation/modeling·DateSep 29, 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.

50 years of failure in UK drug policy must end

Lord Simon Woolley argues that UK drug laws are designed to be a tool of systemic racism and fail black communities. He calls for a root-and-branch review of the law to consider alternative approaches, including decriminalization and legal regulation of non-medical drug supplies.

SourceBMJ Group·JournalThe BMJ·TypeCommentary/editorial·DateSep 29, 2021

Sibling bullying associated with poor mental health outcomes years later, new study finds

A new study of over 17,000 participants found that sibling bullying in early adolescence is associated with poorer mental health outcomes in late adolescence. The research suggests that prevention and clinical interventions aimed at reducing sibling bullying can benefit from improving positive mental health during late adolescence.

SourceUniversity of York·JournalJournal of Youth and Adolescence·TypeData/statistical analysis·DateSep 29, 2021

PCORI approves $94 million to fund Phase 3 of PCORnet and new colorectal cancer study in older adults

The Patient-Centered Outcomes Research Institute (PCORI) has approved funding for a large-scale comparative clinical effectiveness research study to compare colonoscopy versus stool-based testing for monitoring patients ages 70 and older at low risk of developing colorectal cancer. The study will also implement an online weight managem...

SourcePatient-Centered Outcomes Research Institute·DateSep 29, 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.

Glioma subtype may hold the secret to the success of immunotherapies

Researchers have identified a common mutation in gliomas that sensitizes them to immunotherapy, which can lead to improved survival rates and tumor-free periods. The discovery may have broader therapeutic implications for all glioma patients, offering new hope for treatment.

SourceMichigan Medicine - University of Michigan·JournalScience Advances·TypeExperimental study·DateSep 29, 2021