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Phys.org / Reducing household waste poses serious challenges in residential high-rises

Like much of the Western world, Canada is facing a crisis in waste disposal as landfills reach their capacity. In Ontario, a live countdown gives municipal landfills just eight more years before they are full. We urgently ...

Dec 25, 2025 in Earth
Phys.org / The dual impact of stellar bars on star formation in galaxy pairs

Professor Woong-bae Zee of the College of Liberal Studies at Sejong University has revealed that a galaxy does not possess only a single evolutionary pathway; instead, depending on the nature of its neighboring galaxy, it ...

Dec 22, 2025 in Astronomy & Space
Tech Xplore / Washing machine filter captures microfibers as small as 20 micrometers in size

A single laundry load containing synthetic clothing can release thousands of plastic microfibers from nylon, acrylic and polyester materials. Lab testing of an SA-made washing machine filter at Flinders University shows it ...

Dec 22, 2025 in Consumer & Gadgets
Phys.org / The sound of droplets striking water: How cowbirds control two sound sources in the syrinx to create 'liquid notes'

Cowbirds are special among songbirds for the "watery" timbre of their singing, which resembles the sound of falling droplets striking water, a quick burst followed by a fading ripple.

Dec 22, 2025 in Biology
Phys.org / More eyes on the skies can help planes reduce climate-warming contrails

Aviation's climate impact is partly due to contrails—condensation that a plane streaks across the sky when it flies through icy and humid layers of the atmosphere. Contrails trap heat that radiates from the planet's surface, ...

Dec 22, 2025 in Earth
Phys.org / AI mimics human-like intuition to explore and analyze chemical reactions

Chemical reactions are the breaking and forming of chemical bonds, which are fundamental to the creation of new technologies. Inevitably, discovering and developing new chemical reactions is a time-intensive process of trial ...

Dec 22, 2025 in Chemistry
Medical Xpress / System replicates womb lining to 'listen in' to embryo-mother interactions during implantation

By engineering a system replicating the womb lining with high biological accuracy, researchers at the Babraham Institute and Stanford University have been able to study the implantation of human embryos, opening up this enigmatic ...

Dec 23, 2025 in Obstetrics & gynaecology
Medical Xpress / Fathers' microplastics exposure tied to their children's metabolic problems

A study led by biomedical scientists at the University of California, Riverside, has shown for the first time that a father's exposure to microplastics (MPs) can trigger metabolic dysfunctions in his offspring. The research, ...

Dec 23, 2025 in Genetics
Medical Xpress / School meals could unlock major gains for human and planetary health

Healthy, sustainable school meals could cut undernourishment, reduce diet-related deaths and significantly lower environmental impacts, according to a new modeling study led by a UCL (University College London) researcher.

Dec 22, 2025 in Health
Medical Xpress / Homer1 gene calms the mind and improves attention in mice

Attention disorders such as ADHD involve a breakdown in our ability to separate signal from noise. The brain is constantly bombarded with information, and focus depends on its ability to filter out distractions and detect ...

Dec 22, 2025 in Genetics
Medical Xpress / Surge in serotonin points to new treatment target for schizophrenia

New research from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College London has provided the first direct evidence that schizophrenia is associated with a greater release of serotonin in the ...

Dec 21, 2025 in Psychology & Psychiatry
Phys.org / Passive adaptation mechanism reveals how cells balance their protein levels

Every cell depends on proteins to function and stay healthy. These proteins are made inside the cell from amino acids, but cannot simply accumulate inside the cell forever. Once they have done their job or become damaged, ...

Dec 23, 2025 in Biology