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Science News Archive October 2024


Page 25 of 44

A synthetic molecular switch lets you 'paint' with natural light

Dartmouth chemists have developed a synthetic molecular switch that can trigger shape changes in liquid crystals, reflecting different colors. The switch is made up of triptycene and hydrazones that can flip on and off with a pulse of light, allowing for the creation of multicolored images and potential applications in energy-efficient...

Women more likely than men to die after heart surgery complications

Researchers have found that women are more likely to die from postoperative complications after high-risk cardiovascular surgery, with a failure to rescue rate of 10.7% compared to 8.6% for men. The quality of hospital where the procedure was performed did not affect this disparity.

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.

Plastic pollution sounds just like food to deep-diving whales

A new study by Duke University finds that deep-diving whales confuse plastic debris with prey items, as its acoustic signature mimics squid. Researchers tested various types of plastic trash and found strong similarities in their acoustic signals compared to whale prey, highlighting the need for more sustainable materials.

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.

One in three plants call islands home

A new study reveals that islands are home to around one in three of the world's plant species, with 63,280 endemic species native to islands. The research provides a comprehensive assessment of vascular plants native and endemic to marine islands worldwide.

It's twins! mystery of famed brown dwarf solved

Astronomers at Caltech have discovered that the well-studied brown dwarf Gliese 229B is actually a pair of tightly orbiting brown dwarfs weighing about 38 and 34 times the mass of Jupiter. This resolves the long-standing mystery about its dimness.

Apple iPhone 17 Pro

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

Artificial intelligence tools bring efficiency to the architectural process

The article discusses how AI tools are transforming the architectural design process, enabling faster production of options for clients. Startups like Arqgen and SleepUp are leveraging generative design techniques to create innovative solutions for interior design and real estate development, respectively.

Zebrafish as a model for studying rare genetic disease

A recent study employs zebrafish to model Nager syndrome, revealing the role of sf3b4 mutations in facial development and apoptosis. The research suggests that FGF8 plays a critical role in disease pathogenesis and provides a potential therapeutic strategy.

Meta Quest 3 512GB

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

UVA researchers engineer AI breakthrough in human action detection technology

Researchers at UVA's School of Engineering and Applied Science have developed an AI-driven intelligent video analyzer capable of detecting human actions with unprecedented precision and intelligence. The system, called SMAST, promises to transform industries such as surveillance, healthcare, and autonomous driving.

e-Flower records neuronal activity with electronic petals

Researchers at EPFL have developed the e-Flower, a flower-shaped 3D microelectrode array that enables real-time recording of neural activity from 3D neural spheroids. This breakthrough technology allows for more accurate and gentle monitoring of brain cells, paving the way for further research on brain organoids.

New device could deliver bedside blood test results in an hour

Researchers have developed a handheld, sound-based diagnostic system that can deliver precise blood test results in an hour with minimal finger prick of blood. The system uses functional negative acoustic contrast particles and a custom-built instrument to detect biomarkers in tiny amounts of blood.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Bolstering the fight against antibiotic-resistant bacteria

A team of researchers from the University of Florida Health has been awarded a significant grant to explore the use of combination antibiotics to combat antibiotic-resistant bacteria. The study aims to understand the molecular mechanisms behind bacterial resistance and develop new treatment strategies to tackle deadly superbugs.

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.

Researchers offer alternative to hydroxyurea in study of DNA replication process

Researchers at Colorado State University have identified an alternate method to study changes during the DNA replication process in lab settings using genetically modified yeast. This new approach provides a less toxic and quickly reversible alternative to hydroxyurea, allowing for better insight into cell cycle arrest mechanisms.

Breast cancer in users of levonorgestrel-releasing intrauterine systems

A Danish nationwide study found an association between levonorgestrel-releasing intrauterine system (LNG-IUS) use and increased breast cancer risk in females ages 15 to 49. The absolute breast cancer risk is low, but the study revealed an excess risk of 14 per 10,000 females, which did not increase with duration of use.

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.

Understanding landslides: a new model for predicting motion

A new model developed for predicting fault line slip also accurately forecasts landslides, providing a crucial tool for disaster preparedness. Researchers used data from monitored landslide sites in Northern California to validate the model's effectiveness.

Marginalized entrepreneurs forge their own paths

A new paper by Rowena Crabbe explores how entrepreneurship can help marginalized groups surmount obstacles, including limited access to capital, social closure, and consumer discrimination. The research identifies conditions for success, such as self-employment, products for unmet needs, and processes that lower barriers.

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.

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.

Kidney transplantation among those with HIV infections shown safe and effective

A new study found that kidney transplantation from HIV-positive donors to recipients with HIV is safe and effective, with comparable survival rates and risks of serious side effects. The study's results support the use of organs from HIV-positive donors as standard clinical practice for people with HIV in need of kidney transplantation.

Concerning levels of PFAS in fish miles away from large contamination source

A new study by Harvard researchers finds alarmingly high PFAS concentrations in fish tissues even up to 8 km from the military base. The results underscore the urgent need for more comprehensive monitoring of PFAS in aquatic ecosystems, particularly in regions where freshwater fishing is an important food source.

Study may help boost performance and reduce side effects of mRNA vaccines

A study analyzed blood samples from individuals who received an mRNA vaccine booster to understand its circulation and breakdown in the bloodstream. The research found that higher levels of mRNA and fatty nanoparticles were linked to increased anti-PEG antibodies, suggesting potential issues with future mRNA treatments.

The origin of most meteorites finally revealed

An international team has identified the sources of 70% of all known meteorite falls, revealing that 37% come from the Massalia family. The discovery was made possible by a telescopic survey and computer simulations of asteroid families' composition and evolution.

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.

Protein interactions: Who is partying with whom and who is ruining the party?

Researchers at ETH Zurich have developed a method to study protein interactions using LiP mass spectrometry, identifying thousands of interaction interfaces between proteins. They found that stress situations alter around five dozen protein complexes and their interactions, with a key player being the SAGA complex.

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.

Study: breast cancer drug shows potential for rare appendix cancer

Researchers found that the oral medication palbociclib stabilized tumor growth and reduced blood tumor marker levels in patients with peritoneal mucinous carcinomatosis, a form of appendix cancer often resistant to standard chemotherapy. The study's findings introduce a first targeted therapy for this rare disease.

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.

New study on microRNAs could lead to better fertility treatment

Researchers at Karolinska Institutet have mapped how microRNAs control cell development in the human embryo during the first days after fertilization. The atlas identifies crucial sncRNAs that guide embryonic growth and differentiation, shedding light on how to identify healthy embryos for improved fertility treatment.

Uncovering a way for pro-B cells to change trajectory

Pro-B cells, a stage in B cell development, exhibit unusual plasticity when YY1 is knocked out. This enables them to generate T lineage cells, which help B cells produce antibodies. The study published in Genes & Development reveals the potential for regenerative medicine applications.

Invention quickly detects earliest sign of heart attack

Researchers at Johns Hopkins University developed a fast and accurate blood test that can detect the earliest signs of a heart attack in minutes. The stand-alone test provides results in five to seven minutes, making it more accessible for first responders and people at home.

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.

AI decodes microbes’ message in milk safety testing approach

Researchers used DNA sequencing and artificial intelligence to detect anomalies in milk production, such as contamination or unauthorized additives. The new approach could improve dairy safety by identifying microbial signatures associated with anomalies.

Don’t kill the messenger RNA!

The Max Planck Institute team has developed a strategy to extend mRNA lifespan by protecting it from degradation. This protects potentially health-promoting proteins, such as tumor suppressors and nuclear receptors, from premature breakdown.