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Science X / Virtual escape test exposes hidden rule people use when identical exits create pressure and no sign points way
Ever wonder who you mimic in a line of people heading for an exit? In an emergency, do you trail the person right ahead, or do you watch what everyone else does? It's a question with surprising implications for how we understand ...
Phys.org / Microplastics may transport hazardous plastic additives through marine environments
Plastic pollution is not only a marine litter issue; it is also closely linked to resource circulation and chemical management. Plastic products contain a wide range of additives, including antioxidants, plasticizers, ultraviolet ...
Medical Xpress / New psychedelic candidate may spare the gut while still healing the brain
Psychedelic drugs are best known for altering perception and producing vivid hallucinations, but scientists are increasingly interested in what else they might do. A growing body of research suggests that these mind-altering ...
Tech Xplore / Hidden goals can undermine AI teamwork, study finds
Large language models (LLMs), the computational models that underpin conversational agents such as Gemini and ChatGPT, are now widely used by people worldwide to rapidly find information, summarize documents and generate ...
Phys.org / Venus's polygonal plains could point to a watery past
Venus may be overwhelmingly inhospitable today, but many planetary scientists believe that it wasn't always this way. Billions of years ago, some observational evidence suggested that our planetary neighbor may have looked ...
Medical Xpress / Ketamine triggers morning cortisol surge tied to fewer suicidal thoughts—but the link remains uncertain
In 1970, ketamine was approved as an anesthetic. It works by blocking receptors in the brain. Suicidal tendencies are among the dangers that accompany severe depression. Doctors have found that a low dose of ketamine, much ...
Phys.org / Zoo-housed lions show wild-style behaviors when fed whole carcasses
A new Australian study has found that feeding zoo-housed lions whole-animal carcasses on a feast-and-fast schedule encourages behaviors more closely aligned with those seen in the wild.
Phys.org / Drought dries major European rivers to record lows
Vast tracts of many of Europe's largest rivers, including the Rhine, Rhone and Danube, have slowed to a trickle never before recorded in July, data from a European climate observatory showed Monday.
Medical Xpress / New melanoma drug based on herpes virus granted FDA accelerated approval
Federal regulators have granted accelerated approval to a novel therapy for advanced melanoma—giving doctors another weapon to fight this challenging skin cancer.
Phys.org / US had hottest month on record in July
July 2026 marked the hottest month on record for the contiguous United States, the National Oceanic and Atmospheric Administration said Monday, continuing a recent trend driven by human-caused climate change.
Phys.org / Women with narcissistic tendencies may struggle with forgiveness
Narcissism is associated with selfishness and other negative traits like a grandiose sense of self-importance, a constant need for admiration and a lack of empathy for others. So it may not be surprising that narcissists ...
Medical Xpress / Study reveals prefrontal cortex can hinder learning more efficient behaviors
The prefrontal cortex, a brain region long associated with learning more flexible behaviors, can sometimes block the ability to think outside the box, a new study in mice shows. The finding by biologists at Emory University ...
