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Tech Xplore / Australia's social media ban won't stop cyberbullying

The Australian Federal government's Online Safety Amendment (Social Media Minimum Age) Act, commonly referred to as the "social media ban," is now in effect.

Dec 10, 2025 in Internet
Phys.org / Environmental sustainability pays off—but mostly for media-savvy firms

Whatever else they may be, environmental, social, and governance (ESG) initiatives are very often an image-building exercise. Business leaders hope that by being seen to put ethical responsibilities over profits, they will ...

Dec 10, 2025 in Other Sciences
Medical Xpress / Human 'mini-noses' help explain why RSV infections are more severe in children than in adults

An infection with respiratory syncytial virus (RSV) typically affects infants much harder than adults. While adults usually experience RSV as a mild cold, infants can develop more severe conditions, including life-threatening ...

Phys.org / Simplified lab process produces potent nerve-blocking molecules found in shellfish

Chemists have long been fascinated and frustrated by saxitoxin: a molecule that causes temporary paralysis by blocking the electrical signals that nerve cells (neurons) use to activate muscle, and which accumulates in shellfish ...

Dec 9, 2025 in Biology
Phys.org / Cooperative intermolecular interactions regulate supramolecular polymer assembly

Supramolecular chemistry involves the study of self-assembly of discrete molecules that are used to build large functional structures. Often, these molecules are allowed to self-assemble into one-dimensional polymeric structures ...

Dec 9, 2025 in Chemistry
Phys.org / NASA astronaut back on Earth after 8 months on space station

NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their Soyuz spacecraft landing in the frozen steppes of Kazakhstan on Dec. 9 to complete an eight-month ...

Dec 10, 2025 in Astronomy & Space
Phys.org / Viruses help drive carbon cycling in deep-sea ecosystems, study reveals

A research team led by Prof. Sun Chaomin from the Institute of Oceanology of the Chinese Academy of Sciences (IOCAS) has unveiled the crucial role of viruses in deep-sea carbon cycling and microbial community structure. Their ...

Dec 9, 2025 in Biology
Phys.org / Molten metal nano-droplets reveal new hybrid state of matter where solids meet liquids

Researchers have discovered that not all atoms in a liquid are in motion and that some remain stationary regardless of the temperature, significantly impacting the solidification process, including the formation of an unusual ...

Dec 9, 2025 in Nanotechnology
Phys.org / Melatonin wakes up plants, stimulating growth and boosting stress tolerance

In an interesting turn of botanical events, University of Houston engineers report that while melatonin keeps us asleep, it wakes up plants, helping them grow.

Dec 9, 2025 in Biology
Medical Xpress / Engineers decode dementia type using AI and EEG brainwave analysis

Dementia is a group of disorders that gradually impair memory, thinking and daily functioning. Alzheimer's disease (AD), the most common form of dementia, affects about 7.2 million Americans aged 65 and older in 2025. Frontotemporal ...

Phys.org / Earlier ultra-relativistic freeze-out could revive a decades-old theory for dark matter

A new theory for the origins of dark matter suggests that fast-moving, neutrino-like dark particles could have decoupled from Standard Model particles far earlier than previous theories had suggested.

Dec 4, 2025 in Astronomy & Space
Phys.org / New UN report outlines economic pathways for tackling planetary crisis

A new global assessment of the planet's environmental health was unveiled this week at the seventh UN Environment Assembly (UNEA-7), with University of Portsmouth researchers playing a central role in shaping its economic ...

Dec 10, 2025 in Earth