All News
Medical Xpress / Social media use linked to poorer mental health in early adolescence
Adolescents who spend at least two hours a day on social media are more likely to experience depressive symptoms and poorer well-being, with the strongest effects in early adolescence, according to new research.
Medical Xpress / When cannabis feels within reach, teens are far likelier to start using it
Led by Marie-Pierre Sylvestre, a professor at the School of Public Health at the Université de Montréal, the researchers drew on Quebec data from COMPASS, a pan-Canadian longitudinal study of the health behaviors of secondary ...
Phys.org / Silent volcanic gas buildup revealed six months before La Palma eruption
Researchers at Geosciences Barcelona (GEO3BCN-CSIC) have developed a novel way to monitor the silent accumulation of volcanic gases beneath Earth's surface using seismic ambient noise. The results could significantly improve ...
Phys.org / MUSE maps spiral galaxy W2246f, uncovering old core and ongoing star formation across disk
Astronomers have employed the Multi-Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope (VLT) to perform deep spectroscopic observations of a peculiar spiral galaxy known as W2246f. Results of the observational ...
Phys.org / Insights into soil fertility help guide more targeted fertilizer strategies for long-term soil management
A study published in Agriculture, Ecosystems & Environment, led by University of Queensland researchers, provides important insights into the fate of sulfur in soil, an essential nutrient for crop growth. Where sulfur ends ...
Tech Xplore / Visa plugs its payment network into ChatGPT, letting AI agents shop and pay for users
Betting that people will soon grow more comfortable having artificial intelligence agents shop for groceries, plane tickets or diapers on their behalf, payments giant Visa said Wednesday that it has embedded its payment network ...
Phys.org / Hagfish fossils reveal stepwise eye simplification before near-total vision loss
Many animals, including humans, rely on their eyes to detect changes in their surroundings. The eyes of vertebrates, animals with a backbone or a similar supporting structure, contain a transparent structure (i.e., the lens) ...
Medical Xpress / Four minutes of daily resistance training can quadruple fitness in older adults
Just 4 minutes of daily strengthening exercise dramatically increases key factors in quality of life for older adults, according to a new study led by researchers at Penn State College of Medicine. Results published in PLOS ...
Phys.org / Dogs uncover invasive pests that experts missed in real-world vineyard tests
At a Maryland vineyard, Debi Persing guided her Boston terrier, Xephyr, slowly down a row of grapevines. Vineyard workers and scientists had already identified several invasive spotted lanternfly egg masses hidden among the ...
Phys.org / Wary investors hit by a natural disaster seek premium on equity investment
Investor caution soon after experiencing a natural disaster increases the cost of capital for businesses hoping to grow, new academic research suggests.
Medical Xpress / Researchers develop first synthetic mitral valve model to replicate the heart's natural mechanics
Researchers at RCSI University of Medicine and Health Sciences have developed an artificial model of the mitral heart valve that faithfully mimics the valve's complex mechanical behavior in the human heart. The study could ...
Tech Xplore / Battery 'bath' restores spent lithium-ion cells to 95% power, cuts recycling costs 56%
The critical minerals that power lithium-ion batteries are in high demand and short supply, especially for the U.S., which must rely on importing resources such as nickel and cobalt to manufacture the technology.