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Science News Archive 2024


Page 197 of 484

Plants show surprising diversity in arid landscape

A KAUST-led study reveals that plant trait diversity increases above an aridity threshold of 0.7, challenging the view that harsh environments reduce biodiversity. The research found that chemical and morphological traits respond similarly to changes in aridity and grazing pressure.

Dealing with runaway metastatic disease

Researchers discuss how PROM2 is a predictive biomarker of distant metastases and shorter survival among patients with stage III melanomas. They also demonstrate that runaway metastasis is closely linked to PROM2 overexpression, through increased epithelial-to-mesenchymal transition marker expression and ferroptosis resistance.

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.

Viral defense protein speeds up female stem cell production

Researchers at the Centre for Genomic Regulation have discovered a treatment that speeds up the production of high-quality pluripotent stem cells in mice. The finding uses interferon gamma to accelerate cellular reprogramming, paving the way for improved disease modeling and personalized treatments.

New guidelines to address racism in bioethics

A new article from Columbia University's Division of Ethics presents a set of recommendations to advance racial equity, diversity, and inclusion in bioethics. The guidelines emphasize the need for anti-racist practices within academic programs and provide concrete steps for implementing these principles.

Apple iPhone 17 Pro

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

Higher glucose levels worsen prognosis in ischemic stroke patients

A study published in Cardiovascular Diabetology found that higher blood glucose levels at admission significantly increase the risk of a poor functional prognosis or death within three months of an ischemic stroke. The study revealed that even a 10% increase in glucose levels raises the risk by 7%, and mortality risk by 88%.

When is too much knowledge a bad thing?

A new study suggests that increased knowledge can backfire when individuals prioritize their own interests over the greater good. The 'knowledge curse' concept, coined by Cornell University economists, highlights the potential for enhanced understanding to hinder cooperation and lead to worse outcomes.

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.

A step toward more effective vaccines

Researchers at Stanford University developed a nanoparticle platform to make vaccines more effective against various pathogens. The platform allows for the elicitation of different immune responses, enabling the identification of the most effective type of protection.

Using historical radar data to map changes in urban environments

Researchers developed a method to reconstruct long-term backscatter coefficient data using Sentinel-1 and Landsat images. The technique accurately mapped changing building heights in Beijing and its surroundings over three decades, providing valuable insights into urban expansion and environmental issues.

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.

Studying how serotonin alters locust’s sense of smell

Researchers at Washington University in St. Louis have found that serotonin increases the amplitude of neural responses to food-related odors in locusts, while ignoring non-food smells. This discovery sheds light on how sensory signals are processed and could inspire solutions for odor detection in toxic environments.

Cucumber's genetic core: new insights into centromere structures

Researchers have characterized cucumber centromeres, identifying key sequences and retrotransposons. The study highlights differences in centromeric DNA between wild and cultivated cucumbers, providing valuable information for improving genetic maps and breeding programs.

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.

Metalenses phase characterization by multi-distance phase retrieval

Researchers developed a new phase characterization method for metalenses based on multi-distance phase retrieval through optical field scanning. This innovative approach overcomes traditional interferometric techniques' limitations, enabling the measurement of phase distributions and wavefront errors with higher accuracy.

Molecule restores cognition, memory in Alzheimer’s disease model mice

A UCLA researcher identified a compound that effectively jumpstarts the brain's memory circuitry, restoring cognitive functions in mice with Alzheimer's disease symptoms. The molecule, DDL-920, works by targeting specific neurons to enhance gamma oscillations, which are critical for memory and cognition.

Scientists lay out revolutionary method to warm Mars

Researchers from University of Chicago and Northwestern University suggest new approach to terraforming Mars using engineered dust particles. The proposed method is over 5,000 times more efficient than previous schemes, using resources readily available on Mars, making it a significant leap forward in modifying the Martian environment.

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.

Scientists get to the bottom of COVID's worst pediatric complication

Researchers found that children's immune systems attacked their own tissues after latching onto a coronavirus protein resembling one found in multiple organs. Early intervention was crucial to prevent death in these cases, and the study has implications for understanding other autoimmune diseases.

Water delivered to the mantle by aluminum enriched hydrated slabs?

Researchers at Ehime University found that aluminum-enriched Superhydrous phase B (SuB) promotes unusual variations in velocities with increased water content. This discovery suggests that Al-bearing SuB may account for seismically visible anomalies at the bottom of the mantle transition region and beneath subduction zones.

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.

Do smells prime our gut to fight off infection?

A study from the University of California, Berkeley, shows that nematodes react to pathogenic bacteria by destroying mitochondria to protect against iron-stealing bacteria. This protective response suggests that humans may also respond to the smell of pathogens to prepare their gut for infection.

Do dieticians have weight biases towards themselves and others?

A survey of UK registered dietitians revealed explicit and implicit weight bias attitudes, with nearly a quarter feeling their weight affects their professional performance. The study emphasizes the importance of addressing weight stigma in the dietetic profession to promote inclusivity and effective care.

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.

Study quantifies air pollution for NYC subway commuters

A new study quantifies air pollution for NYC subway commuters, revealing disparities in exposure across racial and income groups. The research found that people from lower-income working communities have higher exposures and Black and Hispanic workers experience on average 35% and 23% higher PM2.5 exposure, respectively.

Cutting-edge 3D-printed microneedle technology revolutionizes remote healthcare

This innovative system combines remote health monitoring and drug delivery using 3D-printed hollow microneedles, advancing personalized medicine. The integrated theranostic microneedle array measures key health indicators like pH, glucose, and lactate levels, while enabling rapid, pumpless, and point-of-care drug administration.

Individuals vary in how air pollution impacts their mood

Researchers found that air pollution affects people differently, causing some to feel less aroused and more negative. The study suggests that this effect can contribute to increased anxiety risk and inform climate adaptation planning.

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.

New perspectives for using corals in climate research

A research team from the University of Göttingen has developed a new method to analyze the oxygen isotope composition of coral skeletons, allowing for more accurate temperature reconstructions and insights into biomineralization processes. This breakthrough enables scientists to correct for 'vital effects' that can distort climate data.

Blood test can help predict chronic lung disease in preterm babies

A new study from Murdoch Children's Research Institute has identified changes in certain blood proteins that can predict bronchopulmonary dysplasia (BPD) in preterm babies. By combining these protein changes with gestational age, birth weight, and sex, clinicians can make more accurate predictions of BPD risk within 72 hours of life.

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.

Pesticide exposure linked to stillbirth risk in new study

A new study found that living near areas where pesticides were used during the first trimester of pregnancy or pre-conception increases the risk of stillbirths. Researchers linked pesticide use records to state birth certificate data and found specific chemicals, such as organophosphates and pyrethroids, to be associated with increased...

If you yawn, I yawn too: new mechanisms behind imitative behavior revealed

Researchers have uncovered new insights into how the brain regulates imitative behavior, a phenomenon that facilitates interaction and social cohesion. The study used advanced brain stimulation technique to pinpoint the causal role of different circuits in facilitating or inhibiting automatic imitation.

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.

Social rank may determine if animals live fast, die young

A Dartmouth study suggests that social rank determines whether animals prioritize short-term energy consumption over long-term health, with dominant monkeys consuming food quickly to maintain dominance, while lower-ranked monkeys invest time in washing their food to prevent tooth damage. The findings shed light on the disposable soma h...

More evidence on the dangerous attitudes of men who ogle

A new Edith Cowan University study found that men who frequently stare at women's bodies are more likely to harbor harmful attitudes and exhibit behaviors that may lead to sexual assault. The study validates the 'pervasive body gaze scale' as a reliable marker for sexual objectification and assault propensity.

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.

Electric bandage holds promise for treating chronic wounds

Researchers developed an inexpensive, water-powered electric bandage that accelerates wound healing in chronic wounds. The bandage produces an electric field that promotes healing and reduces inflammation, with animals treated with the bandage showing a 30% faster rate of wound closure.

Humans change their own behavior when training AI

Researchers found that when participants were told their decisions would train an AI bot, they became more likely to seek a fair share of the payout. This behavior persisted even after the experiment ended, suggesting a lasting impact on decision-making.

Hidden Harmonies

Researchers discovered a novel energy transfer channel between magnons and phonons in an antiferromagnet under Fermi resonance, enabling future control of such systems for faster data storage. This breakthrough could lead to increased operational frequencies and enhanced efficiency of magnetic writing.

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.