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Phys.org / Baseline tool could separate alien life signals from geology on ocean worlds
When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, scientists can be misled because ...
Phys.org / Falling water levels trigger a surge in methane emissions from Mediterranean reservoirs
Continental aquatic ecosystems, such as lakes and reservoirs, occupy a small proportion of Earth's surface but play a significant role in the global carbon cycle. It is estimated that more than 40% of global methane emissions ...
Tech Xplore / AI agent tests whether machines can speak for patients at life's end
Across aging societies, a gap is widening: People live longer, but families grow smaller. A rising number could reach the end of life, unable to make their own medical decisions and with no next of kin or trusted friend to ...
Tech Xplore / Researchers develop 'hierarchical AI agent' that tackles complex errands with ease
Korean researchers have developed a hierarchical AI technology that autonomously plans even complex, long-horizon tasks. The development of this hierarchical task-planning AI technology, which reduces hallucinations and doubles ...
Tech Xplore / News outlets urge a judge to sanction OpenAI in a high-stakes AI copyright fight
The New York Times, the Daily News and other media outlets are asking a federal judge to impose sanctions on OpenAI, escalating a fight over artificial intelligence and copyright that could shape the future of a struggling ...
Medical Xpress / Higher blood glucose levels linked to faster brain aging
The human brain is known to naturally change with age, shrinking in size and volume after people reach their 30s or 40s. In some cases, however, it can age faster than expected, which can increase the risk of early memory ...
Phys.org / Genetic crossovers defy chromosome-length model in male and female mice
A Cornell-led study is challenging a decades-old explanation for how chromosomes exchange genetic material within the biological process that forms eggs and sperm in mammals.
Medical Xpress / Most obesity drugs do not improve quality of life or heart health, analysis indicates
Despite substantial weight loss, most obesity drugs such as Wegovy and Mounjaro do not meaningfully improve quality of life, and few show cardiovascular benefits at one year, according to an analysis of the latest evidence ...
Tech Xplore / A soft exoskeleton could restore hand function in people with motor impairments
Recent technological advances have opened valuable possibilities for supporting people with motor impairments or who are recovering from injuries to the brain, spinal cord or nerves. Millions of people worldwide currently ...
Phys.org / Study finds politically salient immigration issues can lead to higher industrial pollution
A joint research team led by Professor Narae Lee from the School of Business and Technology Management at KAIST, in collaboration with Professor Heli Wang from Singapore Management University (SMU), analyzed immigration-related ...
Science X / Cannibalism could keep people alive—so why did humans reject it almost everywhere?
From ancient graves to stories of survival on the frontier, signs of human flesh-eating turn stomachs, even as they raise questions. Anthropologists have uncovered bones cut up with axes and chops—like a skull from England ...
Phys.org / Scattered bronze bells in Chinese lord's 2,600-year-old tomb point to ritual deactivation
When archaeologists opened the 2,600-year-old tomb of an ancient Chinese lord, they discovered his magnificent bronze bells had been scattered, their wooden hangings broken. But the most mysterious part of all: This was apparently ...
