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Science News Archive 2023


Page 144 of 444

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.

Single-dose psilocybin treatment for major depressive disorder

A randomized clinical trial of psilocybin treatment found a clinically significant sustained reduction in depressive symptoms and functional disability. The study's findings support the potential of psilocybin as a novel intervention for major depressive disorder when administered with psychological support.

Genomic model suggests population decline in human ancestors

A genomic model by Wangjie Hu and colleagues reveals a severe population bottleneck in human ancestors between 800,000 and 900,000 years ago, with only 1280 breeding individuals surviving. The decline coincided with climate changes, droughts, and glaciations, resulting in the loss of 98.7% of the ancestral population.

Illuminating new horizons: Navigating nonlinear scattering with precision

Researchers at Shanghai Jiao Tong University have developed a new scattering matrix method that can sculpt light output with minimal optimization time. The method offers unparalleled nonlinear scattered light control, enabling high-resolution scanning microscopy and particle trapping through dense, scattering media.

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.

Growing triple-decker hybrid crystals for lasers

By controlling the arrangement of multiple layers within crystals, researchers can tune the materials' optoelectronic properties and emit light of specific energies. This technique has significant implications for applications such as LEDs, solar cells, and lasers.

Assessing the mechanisms for liver fibrosis

Liver fibrosis development is driven by various factors, including metabolic syndrome and insulin resistance. CD8+ T cells play a significant role in activating hepatic stellate cells, which produce scar tissue.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

People who are in good shape take fewer mental-health related medication

Research based on the Trøndelag Health Study found that people in good physical shape fill fewer prescriptions for anxiety and depression medications. The study suggests that improving physical fitness can help prevent anxiety and depression, with men experiencing greater benefits from exercise than women.

Nearly half of dog owners are hesitant to vaccinate their pets

A new study found that nearly half of dog owners in the US hold negative views about vaccinating their pets, citing safety and efficacy concerns. This hesitancy is linked to public mistrust in human vaccines during the pandemic, posing serious public health implications for both animals and humans.

Apple iPhone 17 Pro

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

Researchers predict film scores by the activity of facial muscles

A study published in Frontiers in Neuroscience found that the activity of zygomaticus major, heart rate variability, and EEG indicators can predict film scores. The researchers used a machine learning model to analyze physiological data from 21 participants who watched short films and rated them on a scale from 1 to 10.

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.

Inhalable molecules neutralize SARS-CoV-2 in mice

Researchers at Affilogic developed nanofitins that inhibit SARS-CoV-2 by binding to its spike proteins, demonstrating quick reach and clearance of the lungs. The technology has potential for treating other infectious respiratory diseases with lower costs and higher accessibility.

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.

Lengthy screen time associated with childhood development delays

A study published in JAMA Pediatrics found that children who spent more than four hours a day on screens at age one were more likely to experience developmental delays by age four. The research suggests that different domains of development, such as communication and problem-solving skills, may be affected differently by screen time.

Bat study reveals how the brain is wired for collective behavior

Researchers found that bat's place neurons encoded information about the presence and identity of other bats in their social space. The study reveals how the same hippocampus structure that navigates through space also helps bats navigate complex social behaviors.

Antibody shows promise for preventing organ rejection after transplantation

Researchers at Duke University Medical Center developed a new monoclonal antibody that successfully prevented organ rejection in primates undergoing kidney and islet transplantations. The findings suggest a safer alternative to existing immunosuppressive drugs, reducing side effects and improving graft survival rates.

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.

Could a cancer drug hold the key to a HIV cure?

Researchers have discovered a blood cancer drug that can kill 'silent' HIV cells and delay reinfections. This breakthrough could lead to a future cure for the disease, which affects an estimated 39 million people worldwide.

How to write in water?

Scientists at Mainz University and TU Darmstadt developed a method to write in water by utilizing microbeads that exchange ions for protons, altering local pH values. This allows ink particles to accumulate in specific areas, creating fine lines and patterns.

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.

Tracking the ol' mutation trail

Researchers at Kyoto University have discovered the mechanism by which breast cancer forms in mammalian epithelial cells. The team found that approximately 20 mutations accumulate annually in each cell until menopause, after which the rate decreases significantly.

Virtual institute at the University of Kansas to combat cyber threats

The University of Kansas has established a virtual institute to train leaders in cybersecurity and electromagnetic spectrum research, partnering with Ohio State and Purdue universities. The VICEROY Virtual Institute will offer courses, scholarships, and hands-on training to combat growing cyber threats.

Study explores impact of childhood trauma on sexual function in midlife women

Researchers studied 1,500 middle-aged women and found that those with four or more adverse childhood experiences were nearly twice as likely to be sexually inactive. The study also showed that these women were two times more likely to experience sexual dysfunction in midlife. Healthcare providers are encouraged to screen for childhood ...

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.

Call for action over unreliable private online hormone tests

A large private laboratory is still processing finger prick tests for oestrogen levels despite warnings of unreliability. Experts raise concerns about the validation and regulation of online tests and laboratories, citing a lack of robust assessment and oversight.

Editorial: Epigenetic aging in oocytes

The editorial discusses epigenetic mechanisms leading to oocyte quality loss, a significant factor in age-related fertility decline. Researchers highlight the importance of understanding this process to address the growing issue of advanced maternal age and its impact on reproduction.

Neighbors can influence your decision to buy solar panels

The EPFL study found that having neighbors with solar panels plays a significant role in deciding whether someone installs them, alongside factors like socioeconomic category. The results also show a correlation between solar-panel installation and urbanization, highlighting the importance of flexible policies to promote renewable energy.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Gravitational wave detectors as probes of dark matter

Researchers propose using gravitational wave searches to detect dark matter through neutron star effects. The study forecasts constraints on heavy dark matter particles within the next decade, offering a potential tool for testing dark matter theories.

Meta Quest 3 512GB

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

MU researcher combats bullying of students with disabilities

A University of Missouri researcher created an evidence-based, online professional development curriculum to help teachers recognize, respond to, and prevent bullying towards students with disabilities. The curriculum emphasizes building rapport, social skills, and communication skills to improve classroom climates and reduce bullying.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

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.

Climate extremes hit stressed economies even harder

Climate extremes have a disproportionate impact on already stressed economies, leading to increased costs for households and reduced resilience to future shocks. The study's findings highlight the need for increased economic resilience to cope with climate-related disasters and mitigate non-climate related crises.

Study finds high blood and urinary metal levels among exclusive marijuana users

Research at Columbia University's Mailman School of Public Health detected significant levels of metals in the blood and urine of marijuana users, suggesting that marijuana is a source of lead and cadmium exposure. Measurements reported by participants showed higher lead levels in blood and urine among exclusive marijuana users compare...

The wild boar paradox - finally solved

Researchers from Vienna University of Technology and Leibniz University of Hannover have found the solution to the wild boar paradox. The radioactivity in wild boar meat remains high due to the accumulation of cesium-137 from nuclear weapons tests, which is also present in deer truffles that are particularly favored by wild boars.

A new way to capture and recycle carbon dioxide from industrial emissions

Researchers have developed an electrochemical cell that can easily capture and release CO2, a major contributor to industrial emissions. The device operates at room temperature and requires less energy than traditional methods, making it a promising alternative for industries that struggle with electrification.

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.