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Phys.org / Bull shark attack kills woman, injures man at remote Australian beach

A bull shark killed a woman swimming off a remote beach in Australia's eastern state of New South Wales Thursday while a man was seriously injured and may have been saved by the "heroic" efforts of a passerby.

Nov 27, 2025 in Biology
Tech Xplore / LLMs use grammar shortcuts that undermine reasoning, creating reliability risks

Large language models (LLMs) sometimes learn the wrong lessons, according to an MIT study. Rather than answering a query based on domain knowledge, an LLM could respond by leveraging grammatical patterns it learned during ...

Nov 25, 2025 in Computer Sciences
Tech Xplore / Why the long interface? AI systems don't 'get' the joke, research reveals

Powerful artificial intelligence (AI) systems, like ChatGPT and Gemini, simulate understanding of comedy wordplay, but never really "get the joke," a new study suggests.

Nov 24, 2025 in Computer Sciences
Phys.org / Microplastics pose a human health risk in more ways than one

A new study shows that microplastics in the natural environment are colonized by pathogenic and antimicrobial resistant bacteria. The study team calls for urgent action for waste management and strongly recommends wearing ...

Nov 25, 2025 in Earth
Phys.org / Urban natives: Plants evolve to live in cities

While urbanization has restricted and fragmented the natural ecosystems, it also creates new and diverse environmental conditions within towns.

Nov 25, 2025 in Biology
Tech Xplore / New model measures how AI sycophancy affects chatbot accuracy and rationality

If you've spent any time with ChatGPT or another AI chatbot, you've probably noticed they are intensely, almost overbearingly, agreeable. They apologize, flatter and constantly change their "opinions" to fit yours.

Nov 25, 2025 in Computer Sciences
Phys.org / Seal milk more refined than breast milk, research reveals

Researchers at the University of Gothenburg have discovered that milk from gray seals in the Atlantic Ocean may be more potent than breast milk. An analysis of seal milk found approximately 33% more sugar molecules than in ...

Nov 25, 2025 in Biology
Phys.org / Particle accelerator waste could help produce cancer-fighting materials

Energy that would normally go to waste inside powerful particle accelerators could be used to create valuable medical isotopes, scientists have found.

Nov 25, 2025 in Physics
Phys.org / X-ray technique captures footage of crystals growing in liquid metal

Researchers have successfully grown platinum crystals in liquid metal, using a powerful X-ray technique giving rare insight into how these delicate crystals form and grow.

Nov 24, 2025 in Chemistry
Phys.org / Contrails are a major driver of aviation's climate impact, study shows

Aviation's climate impact extends beyond carbon dioxide emissions. A new international study, involving researchers from Chalmers University of Technology and the University of Gothenburg, reveals that contrails can represent ...

Nov 24, 2025 in Earth
Medical Xpress / AI learns from the tree of life to support rare disease diagnosis

Researchers have created an artificial intelligence model that can identify which mutations in human proteins are most likely to cause disease, even when those mutations have never been seen before in any person.

Nov 24, 2025 in Genetics
Medical Xpress / Virtual clinical trial suggests psychedelics may boost brain activity in coma patients

Researchers from the University of Liège and international collaborators developed a "virtual clinical trial" exploring a unique pharmacological treatment in patients who do not fully regain consciousness after a coma. The ...

Nov 24, 2025 in Psychology & Psychiatry