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Science News Archive April 2023


Page 23 of 37

UC Davis study finds tweets can amplify, disrupt, unite and divide

A UC Davis study analyzed millions of Twitter posts to find that social media can both amplify and disrupt individual issues, leading to both unifying and divisive outcomes. The research highlights the complex nature of social media's impact on public discourse, revealing an oscillation between integrated and segregated communication.

Patients with IBD at higher risk of lymphoma

Patients with inflammatory bowel disease (IBD) are at a higher risk of developing lymphoma, particularly those with Crohn's disease. The risk is driven by both the disease activity and treatment, including immunomodulating drugs.

Nurse sounds a warning on hearing loss for COVID-19 patients

A nurse has shared her experience of developing sudden sensorineural hearing loss (SSNHL) after a mild COVID-19 infection. She highlights the importance of clinicians including SSNHL as a potential side effect of COVID-19 and recommends high-dose corticosteroids as treatment.

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.

‘Typography as image’ gets results on trailside signs

A new study published in the Journal of Outdoor Recreation and Tourism found that a 'typography as image' approach was most effective for grabbing attention and conveying messages on trailside signs. The design strategy combines attention capture and elaboration to prompt users to provide more information.

Meta Quest 3 512GB

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

Implantable device shrinks pancreatic tumors

Researchers have developed an implantable nanofluidic device that delivers CD40 monoclonal antibodies to shrink pancreatic tumors, reducing treatment dosage by fourfold. The device's long-term controlled release avoids systemic side effects, offering a promising alternative for cancer patients.

Creating an artificial pathologist

A team of scientists at Max Planck Institute for the Science of Light developed a method to quickly and accurately diagnose cancer using artificial intelligence and real-time deformability cytometry. The method reduces analysis time from hours to under 30 minutes, enabling faster decision-making during surgery.

Study reveals how pollinators cope with plant toxins

A study by the University of Exeter and Bayer AG found that pollinators produce a conserved family of cytochrome P450 enzymes to tackle alkaloid toxins in plants. These enzymes allow bees to safely consume nectar and pollen from toxic plants, shedding light on insect tolerance mechanisms.

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.

Shift to ‘flash droughts’ as climate warms

Research finds that flash droughts are becoming more frequent due to human-caused climate change, posing a major challenge for climate adaptation. The transition to flash droughts is predicted to accelerate in a warmer future, with irreversible impacts on ecosystems.

Model suggests lowering hormone doses in contraceptives

A new computational model suggests that reducing hormone doses in contraceptives could effectively suppress ovulation. The model found that hormone doses could be lowered by up to 92% in estrogen-only contraceptives and 43% in progesterone-only contraceptives, while still preventing ovulation.

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.

Channeling mechanical energy in a preferred direction

Researchers at RIKEN have created a composite material that can channel mechanical energy in one direction but not the other, allowing for efficient use of random vibrations. This property is essential for various biological functions and has potential applications in electronics, photonics, magnetism, and sound.

WVU research team steers students through murky waters of ChatGPT coding

A WVU research team has created an OPTIMAL model to help students overcome fears of learning code and enhance critical thinking skills when using ChatGPT, a popular AI chatbot. The model facilitates chatbot-aided scientific data analysis and aims to improve coding skills and prompting abilities.

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.

In sync brainwaves predict learning, study shows

A new study by NYU researchers found that students' brainwaves in sync with their classmates and teacher are more likely to learn better. The study used EEG to track brain activity during lectures, finding that synchrony between brainwaves predicted higher post-lecture test scores.

Visualizing differences in nuclear structure

Researchers developed an antisymmetrized quasicluster model to represent both cluster and shell structures in a single framework. The model applied to carbon and oxygen revealed significantly different density distributions compared to traditional assumptions.

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.

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.

Highlights from the journal CHEST®, April 2023

The CHEST journal April issue features cutting-edge research on asthma, chronic obstructive pulmonary disease (COPD), and sarcoidosis. Key findings include the potential of efzofitimod as a treatment for managing sarcoidosis. The journal also showcases innovative approaches to clinical practice and education in chest medicine.

How AI and a mobile phone app could help you quit smoking

A new AI stop smoking app, Quit Sense, detected triggers and provided support to help smokers manage urges to smoke in specific locations. The study found that four times more people who used the app quit smoking six months later compared to those only offered online NHS support.

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.

Coral-eating fish poo may act as ‘probiotics’ for reefs

Scientists discovered that feces from coral-eating fish contain beneficial microbes that help coral thrive, while feces from algae-eating fish cause damage. The study suggests that corallivores may contribute to natural dispersal of 'coral probiotics', promoting reef health.

Data can now be processed at the speed of light!

Researchers developed a nano-excitonic transistor that controls excitons to process massive amounts of data at the speed of light with minimal heat energy loss. This technology has potential applications in optical computing and realizing an era of data explosion driven by AI.

Apple iPhone 17 Pro

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

Virtual fitting rooms can be a double-edged sword

A recent study by Iowa State University researchers found that virtual fitting rooms can have a negative impact on consumers with a high body mass index (BMI), leading to decreased self-esteem and lower product evaluations. However, the technology appears to enhance sales for shoppers with a low BMI, highlighting the need for marketing...

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.

Laser light hybrids control giant currents at ultrafast times

Researchers at Max Born Institute have developed a hybrid laser pulse that controls ultrafast light-induced currents in giant materials. This breakthrough enables the creation of valley-currents and spin-currents, vital for future valleytronics technology.

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.

Hairs that help fish feel–and humans hear

Researchers discovered how zebrafish use their hair cells to detect movement, a discovery that sheds light on the mechanisms of human hearing and balance. The study's findings suggest that the structure and function of zebrafish hair cells are nearly identical to those found in humans.

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.

Playing hide and seek with planets

An international team of astronomers has discovered an exoplanet using a combined approach of direct imaging and precision measurements of a star's motion on the sky. The newly found planet, HIP 99770 b, is 14-16 times more massive than Jupiter and orbits just over three times further from its star.

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.

When electrons dress up in light

Researchers at Max Planck Institute discover that exciting electrons with strong light leads to exotic quantum effects, enabling new functions on demand. The team made an unforeseen discovery: Floquet bands form after a single optical cycle, paving the way for ultrafast electronics and tailored quantum functions.

Why orchid bees concoct their own fragrance

Researchers have solved the mystery of why orchid bees concoct their own fragrance. The bee fragrance serves as a sex attractant and increases the reproductive success of males. The study found that the females are attracted to the scent and that it triggers mating behavior in them.

Private lands stalling Brazil’s conservation efforts

A new study reveals that a Brazilian forest policy aimed at restoring natural vegetation has been less effective on private lands than in all conservation areas, resulting in the loss of 14.6 million hectares of agricultural land and 2.5 gigatonnes of carbon sequestration potential.

Celestron NexStar 8SE Computerized Telescope

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

Where did the first sugars come from?

Origin-of-life chemists suggest glyoxylate reaction scenario could have yielded simple sugars without drawbacks of formaldehyde-based reactions. The researchers aim to demonstrate this hypothesis in the laboratory and explore potential commercial applications.