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Science News Archive 2023


Page 42 of 444

Deep-sea mining and warming trigger stress in a midwater jellyfish

A new study found that sediment plumes from deep-sea mining can cause significant stress in midwater jellyfish, leading to excess mucus production and energetic costly responses. The researchers also discovered that the stress response is more severe than expected even for a four-degree rise in sea temperature.

Apple iPhone 17 Pro

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

Could eating turkey ease colitis?

Researchers found that supplementing tryptophan in mice diet increased inflammation-suppressing T-reg cells and reduced colitis symptoms. The findings suggest a potential non-invasive method for improving long-term colitis management.

High temperatures may have caused over 70,000 excess deaths in Europe in 2022

A new study developed a theoretical framework to re-evaluate the impact of record summer temperatures on European mortality. Using daily temperature and mortality records from 147 regions, researchers found that weekly, 2-weekly, and monthly models underestimated heat-related mortality, with errors increasing with aggregation period.

Meta Quest 3 512GB

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

New design for rechargeable hydrogen−chlorine battery in wide temperature range

A team of researchers from the University of Science and Technology of China has designed a rechargeable hydrogen-chlorine battery that operates in a wide temperature range, from -70°C to 40°C. The battery boasts high Coulombic efficiency and stability, with improved reversibility thanks to a hierarchically porous carbon cathode.

Looking for ‘LUCA’ and the timing of cellular evolution

Researchers use molecular dating approach to estimate moment of LUCA's split into bacteria and archaea, as well as eukaryotes' emergence. The study reveals archaea are younger than previously thought, with some potentially living hidden on Earth.

Written in blood

Forensic scientists have discovered that the protrusions from bloodstains, known as 'tails', contain valuable information about a blood drop's origin. By analyzing these tails, analysts can reconstruct the impact angle and speed of the drop, helping to determine whether a victim was standing or sitting at the time of injury.

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.

MRI reveals brain activity behind fanaticism

Researchers used fMRI to study brain activity in soccer fans, finding that brain activity changes when a fan's team succeeds or fails. The study suggests that zealousness found among some sports fans can serve as an example of intense emotional investment and impaired rationality.

The bilingual brain may be better at ignoring irrelevant information

Researchers found that bilingual individuals were more efficient at ignoring irrelevant information compared to monolinguals. This ability is thought to arise from the constant language switching required in bilinguals. The study's findings suggest that bilingualism may have cognitive benefits, particularly in attentional control.

Germany: Sugar tax could save as much as 16 billion euros

A simulation study suggests that a soft drink tax in Germany would reduce sugar consumption and illness rates, including type 2 diabetes, resulting in significant financial savings. The estimated economic benefits of introducing such a tax range from 9.5 billion to 16 billion euros over the next two decades.

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.

Digital payment platforms can easily be misused for drug dealing

Researchers from UC Davis analyzed 23 million Venmo transactions to find at least 83,068 unique users using drug-related emojis or slang. The study highlights the need for vigilance and adaptive regulatory measures to prevent digital footprints from being misused.

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.

Irish researchers create molecule to tackle antimicrobial resistance

Researchers at Maynooth University have created a new molecule that can effectively kill resistant bacteria without harming human cells. The breakthrough uses supramolecular chemistry principles and has the potential to tackle the growing issue of antimicrobial resistance, which affects millions worldwide.

Coffee grounds may hold key to preventing neurodegenerative diseases

UTEP researchers develop a therapy based on caffeic-acid derived from spent coffee grounds to protect brain cells from damage. The treatment has potential to prevent neurodegenerative disorders such as Alzheimer's and Parkinson's by removing free radicals and inhibiting amyloid protein aggregation.

Babies as young as four months show signs of self-awareness - study

Researchers found that babies as young as four months old display enhanced somatosensory brain activity when a touch is preceded by an object moving towards them. This suggests that even in the first few months of life, babies can sense their surroundings and understand how their bodies interact with space.

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.

Forest modeling shows which harvest rotations lead to maximum carbon sequestration

Oregon State University scientists used forest modeling to determine that a site's productivity is the main factor in maximizing above-ground carbon sequestration. The study found that 60-year rotations with low-intensity thinning are optimal for highly productive stands, while longer rotations of 80-120 years are better for less produ...

Long COVID happens in nursing homes, too

A new study reveals that COVID-19 can leave a lasting impact on older adults living in nursing homes, causing them to need more help with daily activities and experience a decline in brain function. The study found that those who tested positive for COVID had effects that lasted up to nine months.

How gut microbes help alleviate constipation

Scientists have identified a key genetic factor, abfA cluster, responsible for improving gut motility and alleviating constipation. The study found that Bifidobacteria longum strains with the abfA cluster can enhance arabinan utilization, leading to improved gastrointestinal transit time.

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.

Crowdsourced fact-checking fights misinformation in Taiwan

A new study from Cornell University reveals that crowdsourced fact-checking platforms like Cofacts can effectively combat misinformation online. The research found that Cofacts users responded faster than journalists to queries, with their responses often being just as accurate, and clearer in presentation.

Novel AI system could diagnose autism much earlier

A novel AI system analyzing brain MRI scans can diagnose autism in children between 24 and 48 months with a 98.5% accuracy rate. This technology enables early detection of autism, potentially leading to improved independence, IQs, and therapeutic outcomes.

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.

Gender stereotypes embedded in natural language

Research by Clotilde Napp found that gender biases in language are stronger in more economically developed and individualistic countries. The study used natural language processing to analyze text corpora from over 70 countries, revealing a phenomenon known as the gender equality paradox.

New target identified for pulmonary hypertension treatment

Researchers have identified a new therapeutic target for pulmonary hypertension treatment by discovering an epigenetic pathway mediated via the protein SPHK2 that can reduce and potentially reverse vascular remodeling. This discovery offers new hope for treating pulmonary hypertension, which is a complex and often fatal condition.

Clinical trial results give new hope for children with rare gliomas

A Phase II clinical trial has shown a clear clinical benefit of combining Dabrafenib and Trametinib in treating BRAF mutated low-grade paediatric gliomas. The combination therapy improved overall response rate by over four-fold and increased median progression-free survival.

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.

CSHL rolls out STEM ‘Bicycle Principles’

The Cold Spring Harbor Laboratory has developed the "Bicycle Principles" to tackle the shortcomings of short STEM training programs. The principles aim to make training effective, inclusive, and scalable, with a focus on setting clear objectives and making training adaptable for different institutions.

Researchers shed light on how one deadly pathogen makes its chemicals

Scientists at the University of Kansas have identified a previously unknown gene cluster responsible for producing sartorypyrones, a chemical made by the fungal pathogen Aspergillus fumigatus. This discovery could lead to new therapies for fungal infections and eco-friendly industrial uses.

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.

Artificial intelligence: Stemming the tide of fake facts

Artificial intelligence tools can generate convincing texts, images, voices, and videos, making it difficult to distinguish misinformation from genuine content. To combat this, experts suggest being more alert when consuming online content and relying on trusted sources.

Bacteria store memories and pass them on for generations

Researchers found that E. coli bacteria use iron levels to store information about behaviors like swarming and forming biofilms. These iron-based memories persist for at least four generations before disappearing, helping bacteria make informed decisions about their environment.

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.

CRF launches Scientific Excellence Top 10 (SET-10)

Thirty-two institutions earned the SET-10 distinction, with top ten recognized globally for their dedication to advancing scientific knowledge in interventional cardiovascular medicine. The rankings span six categories and acknowledge excellence within and outside the United States.

New method for determining the water content of water-soluble compounds

Researchers at University of Eastern Finland developed a new method for accurate determination of water content in water-soluble compounds, utilizing solution-state nuclear magnetic resonance spectroscopy. The method is simple, accurate and quick, with results comparable to traditional methods like TGA and X-ray crystallography.

Getting to the root of visceral gut pain

Researchers at Michigan State University found that glial cells in the gut can sensitize nearby neurons, causing them to send pain signals more easily during inflammation. This discovery could help develop new therapies to alleviate visceral pain by counteracting the glia's sensitizing efforts.

Hearing loss is associated with subtle changes in the brain

Researchers linked hearing loss to microstructural differences in auditory areas of the temporal lobe and frontal cortex. The study suggests that compensatory brain changes may lead to increased dementia risk, and interventions like subtitles or speech-to-text apps could protect against this.

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.

Celestron NexStar 8SE Computerized Telescope

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

CRONT: Empowering optical tweezers with "biometric eyes"

Researchers developed CRISPR-powered optothermal nanotweezers (CRONT) that can trap and enrich bio-nanoparticles, including gold nanoparticles and DNA molecules. The technique achieves single molecule level SNP detection with ultra-low detection volume, making it suitable for point-of-care diagnosis and biophotonics.

Researchers help unravel brain processes involved in vision

A team of researchers, including York University, used a mouse model to test how the brain learns new sensory input patterns. They found that the brain's response to image patterns that violate expectations evolves differently over time, suggesting a distinct role in sensory learning.