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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.

Jun 11, 2026
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 ...

Jun 11, 2026
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 ...

Jun 9, 2026
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 ...

Jun 6, 2026
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 ...

Jun 11, 2026
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 ...

Jun 11, 2026
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) ...

Jun 5, 2026
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 ...

Jun 9, 2026
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 ...

Jun 9, 2026
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.

Jun 11, 2026
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 ...

Jun 11, 2026
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.

Jun 9, 2026