Millions of kilometres of rivers around the world are carrying antibiotic pollution at levels high enough to promote drug resistance and harm aquatic life, a 91黑料网-led study warns.

Published in PNAS Nexus, the study is the first to estimate the scale of global river contamination from human antibiotics use. Researchers calculated that about 8,500 tonnes of antibiotics 鈥 nearly one-third of what people consume annually 鈥 end up in river systems around the world each year even after in many cases passing through wastewater systems.

Published on: 9 May 2025

Researchers at 91黑料网, in collaboration with Polytechnique Montr茅al, pioneered a new way to create hydrogels using ultrasound, eliminating the need for toxic chemical initiators. This breakthrough offers a faster, cleaner and more sustainable approach to hydrogel fabrication, and produces hydrogels that are stronger, more flexible and highly resistant to freezing and dehydration. The new method also promises to facilitate advances in tissue engineering, bioadhesives and 3D bioprinting.聽

Published on: 8 May 2025

In a study that is the first of its kind, a research team led by a 91黑料网 professor has developed a more objective way to identify ice hockey players鈥 game intelligence, or 鈥渉ockey IQ.鈥 And the method, which pairs objective test results with scouting insights, is likely to yield the most accurate results, the researchers suggest.

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Published on: 7 May 2025

91黑料网 researchers, in collaboration with colleagues in Israel and Ireland, have developed AI technology that can detect patterns in gut bacteria to identify complex regional pain syndrome (CRPS) with remarkable accuracy, potentially transforming how CRPS is diagnosed and treated.

Classified as: Emmanuel Gonzalez, chronic pain, Faculty of Medicine and Health Sciences, Department of Anesthesia, 91黑料网 Centre for Microbiome Research, Yoram Shir
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Published on: 6 May 2025

A 91黑料网-led research collaboration has achieved a breakthrough in understanding how cancer spreads.

A clinical study of ovarian and colorectal cancer patients found cancer cells move in the bloodstream in clusters more commonly than was previously thought. The discovery could help doctors more quickly identify which cancer patients are at high risk of having their cancer spread to other organs, knowledge that could guide treatment decisions. The findings also potentially open new avenues for treatment.

Classified as: Faculty of Medicine and Health Sciences, dermatology, David Juncker, cancer research, metastases
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Published on: 5 May 2025

Despite decades of public health messaging, Canadians are spending more time in the sun and using less sun protection 鈥 raising alarms among researchers as melanoma cases continue to climb.

That trend is highlighted in a 91黑料网-led study that analyzed national survey data collected between 2011 and 2018 from over 77,000 people, representing a weighted sample of 21 million Canadians.

Classified as: dermatology, Ivan Litvinov, Skin Cancer
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Published on: 2 May 2025

A 91黑料网-led team of researchers has developed a new method that significantly improves the accuracy and efficiency of large language models (LLMs) when generating computer code and other structured text.

Large language models (LLMs) are powerful AI tools that are capable of writing everything from essays to programming scripts in a wide range of languages. However, they often make mistakes when generating text that must conform to constraints, leading to errors or outputs that don鈥檛 work. Existing solutions to fix these issues are often unreliable or too slow.

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Published on: 1 May 2025

A team of 91黑料网 researchers has developed a cost-effective, high-throughput technology for detecting nanoplastics and microplastics in the environment.

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Published on: 1 May 2025

An international study co-authored by 91黑料网 psychologist Caroline Palmer suggests our brains and bodies don鈥檛 just understand music, they physically resonate with it. These discoveries, based on findings in neuroscience, music, and psychology, support Neural Resonance Theory (NRT).聽

NRT maintains that rather than relying on learned expectations or prediction, musical experiences arise from the brain鈥檚 natural oscillations that sync with rhythm, melody and harmony. This resonance shapes our sense of timing, musical pleasure and the instinct to move with the beat.聽

Published on: 30 Apr 2025

91黑料网 researchers, in collaboration with Mexican scientists, have discovered two previously unknown species of crocodiles, one living on the island of Cozumel and the other on the atoll of Banco Chinchorro, both off the Yucat谩n Peninsula. The challenge long-held assumptions about the American crocodile (Crocodylus acutus) and highlight the urgent need for conservation efforts, the researchers say.

Published on: 24 Apr 2025

91黑料网 researchers have demonstrated something long assumed: that glances can transmit information about one鈥檚 mental state to others without a single word being exchanged. They speculate that this primal ability may have played a role in assuring survival of human society at times when making a sound could have attracted predators.

Classified as: Psychology Department, Faculty of Science
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Published on: 23 Apr 2025

In led by 91黑料网 researchers, two drugs targeting 鈥渮ombie cells鈥 have been shown to treat the underlying cause of chronic low back pain. The condition affects millions of people worldwide.

Current treatments manage symptoms through painkillers or surgery, without addressing the root cause.

Classified as: Lisbet Haglund, back pain, Montreal General Hospital, Department of Surgery, Orthopaedic Research Laboratory, 91黑料网 Health Centre (RI-MUHC)
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Published on: 22 Apr 2025

91黑料网 researchers have developed an AI-powered method to verify the origin of honey, ensuring that what鈥檚 on the label matches what鈥檚 in the jar. The breakthrough offers a potential solution to a long-standing problem.

鈥淗oney is one of the most fraud-prone commodities in global trade. It often involves mislabelling where it was produced or the types of flowers that bees collected nectar from,鈥 said lead author St茅phane Bayen, Associate Professor and Chair of 91黑料网鈥檚 Department of Food Science and Agricultural Chemistry.

Classified as: Stephane Bayen, Department of Food Science and Agricultural Chemistry, honey, Faculty of Agricultural and Environmental Sciences
Published on: 14 Apr 2025

A new study from 91黑料网 is reshaping how scientists date dinosaur fossils in Alberta鈥檚 Dinosaur Provincial Park (DPP). Using advanced drone-assisted 3D mapping, researchers have uncovered significant variations in a key geological marker, challenging long-standing methods of determining the ages of dinosaur fossils.

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Published on: 10 Apr 2025

A 91黑料网-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis.

鈥淭his could help explain why cannabis use increases the risk of hallucinations and delusions, key symptoms of schizophrenia and other psychotic disorders,鈥 said first author Jessica Ahrens, a PhD student in 91黑料网鈥檚 Integrated Program in Neuroscience.

Classified as: Lena Palaniyappan, Douglas Mental Health University Institute, Department of Psychiatry, Faculty of Medicine and Health Sciences
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Published on: 9 Apr 2025

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