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Science News Archive February 2025


Page 40 of 44

Research finds drinking ketones improves heart health

A new study from the University of Portsmouth found that drinking ketone esters improves cardiac efficiency and reduces cardiovascular risk in people with type 2 diabetes. The researchers discovered that the supplement induces ketosis, allowing the heart to use ketones as an alternative energy source.

Shut the nano gate! Electrical control of nanopore diameter

Scientists from SANKEN at Osaka University created an electrically controlled nanogate that can be tailored for specific molecules. The gate's diameter was adjusted using voltage, leading to distinct ion transport behaviors. This technology has the potential to enable precise control over molecule transport and reaction systems.

Mouth bacteria may hold insight into your future brain function

Certain mouth bacteria may support better memory and attention, while others increase the risk of Alzheimer's disease. The study found that an imbalance between beneficial and harmful bacteria can reduce nitric oxide production, crucial for brain communication.

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.

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.

Male flies sharpened their eyesight to call the females' bluff

In a study on dance flies, researchers found that males have developed sharper eyesight to detect whether females are genuinely full of eggs or bluffing. This adaptation is linked to the evolution of female traits such as hairy legs and enlarged eye facets, which the males can use to determine a female's reproductive status.

Explaining science in court with comics

A study found that using comics to explain forensic science in court significantly improved jurors' understanding of the evidence. Participants who watched comics discussed the evidence in greater detail, showed increased confidence in their reasoning, and made more explicit references to scientific concepts.

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.

Tattoo inks: How much color gets into the body?

A new clinical study by the BfR found that tattoo ink contains smaller amounts of liquid components than previously thought. The researchers were able to detect metabolites in blood samples shortly after tattooing began and showed that metabolism functions differently when substances are taken up through the skin.

Illuminating the beginnings of animal development

Researchers discovered that cell motion shows asymmetry before left-right organizer formation in early animal development, contradicting earlier findings on genetics. This study sheds new light on the origin of bilateral symmetry and could apply to human birth defects.

Apple iPhone 17 Pro

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

Shifting landscapes due to the 2024 Noto peninsula earthquake in Japan

Researchers found evidence that repeated earthquakes like the 2024 Noto Peninsula earthquake shaped the region's topography. The study used satellite radar images to measure displacements caused by the earthquake, resulting in over 4m of uplift and emergence of new terraces along the northern coast.

Listening for multiple mental health disorders

Researchers developed a machine learning tool that screens for comorbid depression and anxiety disorders using acoustic voice signals. The study confirmed that a one-minute verbal fluency test can reliably identify subjects with comorbid AD/MDD, who tend to use simpler words and exhibit reduced variability in phonemic word length.

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.

Financial comfort and prosociality

A study of 80,337 people across 76 countries found that those with higher incomes and financial well-being reported greater prosocial actions and attitudes. Higher income individuals were more likely to donate, volunteer, and trust others, although they also showed lower trust in others.

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.

Omega-3s can slow down aging process

A recent study led by Heike Bischoff-Ferrari found that taking omega-3 fatty acids slowed down biological aging across several epigenetic clocks by up to four months. The combination of omega-3, vitamin D, and strength training proved to be even more effective in slowing down the biological aging process.

Why do plants transport energy so efficiently and quickly?

New study reveals quantum mechanical processes facilitate energy transfer and charge separation in photosynthetic organisms. This understanding can inform the design of artificial photosynthesis units for unprecedented solar energy efficiency.

Meta Quest 3 512GB

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

Virus that causes COVID-19 increases risk of cardiac events

A new study found that COVID-19 infection is associated with faster growth of plaque in the coronary arteries, leading to an increased risk of cardiovascular events. The study also revealed a higher incidence of high-risk plaques and coronary inflammation among infected patients.

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.

Generally, things really do seem better in morning, large study suggests

A large study published in BMJ Mental Health found clear time of day patterns in frame of mind, with people generally waking up feeling best in the morning and worst around midnight. The study also revealed seasonal influences on mental health and wellbeing, with better mood during summer months.

UCLA awarded NIH grant to train the next generation of brain cancer scientists

The Neuro-Oncology Translational Research Training Program aims to bridge laboratory discoveries and clinical applications in neuro-oncology, targeting glioblastoma and brain metastases. The program provides predoctoral and postdoctoral trainees with cutting-edge lab experience and mentorship across multiple disciplines.

Wobbling stars reveal hidden companions in Gaia data

Two new celestial objects have been confirmed using Gaia data, including a Super-Jupiter exoplanet and a brown dwarf. The discovery challenges current theories of planet formation and provides valuable data for understanding these intriguing objects. Gaia's ongoing mission will uncover hundreds of planets and brown dwarfs around nearby...

Big cities fuel inequality

A study reveals that large cities have ceased to be centers of upward social and economic mobility, with population density and connectedness associated with reduced intergenerational mobility. Urban expansion has also led to decreased average social capital, contributing to growing inequality within and across generations.

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.

Flipping the script: Inverse-design as game-changer in physics

A team of physicists at the University of Vienna created an innovative device that uses spin waves to perform multiple data processing tasks with exceptional energy efficiency. The 'universal' device has significant potential for next-generation telecommunications, computing, and neuromorphic systems.

NYU’s Yann LeCun a winner of the 2025 Queen Elizabeth Prize for Engineering

Yann LeCun, NYU's Courant Institute of Mathematical Sciences professor, has been selected as a winner of the 2025 Queen Elizabeth Prize for Engineering for his groundbreaking research on artificial neural networks. His work enabled machines to process and learn from vast amounts of data in ways previously unimaginable.

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.

New device uses electrically assisted wind to fight fires

Researchers at Ohio State University have developed a new portable tool that can deliver conductive aerosols to suppress flames using the power of vortex rings. The device was tested in two prototypes, both of which had an effective range of nearly 2 meters, and showed promise in suppressing fires.

Music can touch the heart, even inside the womb

Researchers found that playing classical music can smooth variations in fetal heart rates, indicating potential benefits for fetal development. The study used mathematical analysis tools to identify patterns in heart rate variability and found that exposure to music resulted in more stable and predictable patterns.

Why your headphone battery doesn't last

A team of engineers from the University of Texas at Austin used x-ray, infrared, and other imaging technologies to investigate battery degradation in wireless earbuds. They found that temperature gradients, caused by clashes between critical components and the battery, led to damage and reduced battery life.

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.

Study debunks nuclear test misinformation following 2024 Iran earthquake

A recent study published in Seismica journal has debunked claims that a magnitude 4.5 earthquake in Iran was a covert nuclear weapons test. The researchers analyzed seismic signals from the event and concluded that it was caused by natural geological forces, contradicting widespread misinformation on social media and news outlets.

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.

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.