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Medical Xpress / Think cannabis reduces stress? New study finds it's complicated

Cannabis is often used as a stress reliever, but a new study suggests that some of the body's stress response systems don't get the message.

3 hours ago
Tech Xplore / Simple visual patterns can trick AI-powered vehicles and robots

A simple pattern of black-and-white stripes could cause an autonomous vehicle or robot to misjudge how far away an obstacle is, potentially triggering an unexpected maneuver or even a collision, according to new University ...

3 hours ago
Medical Xpress / Could Earth's magnetic field influence how we age?

The Earth's magnetic field may influence how cells produce energy, physical performance and even lifespan, according to new research from the University of Nottingham.

3 hours ago
Phys.org / Silicon solar cells could cut satellite power costs by up to 90%

Switching to modern silicon solar cells could cut the cost of powering satellites by as much as 90% based on beginning-of-life (BOL) performance, according to a review led by the University of Surrey. The switch to silicon ...

3 hours ago
Phys.org / Snapshots reveal key molecular machine in tropical parasites at near-atomic resolution

A study conducted by the University of Liège and Rockefeller University reveals, with near-atomic precision, the three-dimensional structure and function of a gigantic molecular machine essential to the survival of trypanosomatid ...

8 hours ago
Tech Xplore / Anthropic, OpenAI release cheaper AI even as safety fears grow

Anthropic and OpenAI on Tuesday released new, cheaper artificial intelligence models within hours of each other, days after the heads of both companies called for a slowdown in AI development.

8 hours ago
Phys.org / AI scans 4.6 million compounds in hours to predict hydrogen positions in drug-like molecules

New York University researchers have trained an AI model to learn chemical patterns associated with stability in drug-like molecules and accurately predict where their hydrogen atoms should be positioned.

8 hours ago
Phys.org / Quantum device simulates matter popping into existence

A research team led by faculty at the Duke Quantum Center (DQC) has observed string-breaking dynamics related to particle-antiparticle formation on a quantum simulator, among the first such observations in quantum physics.

3 hours ago
Medical Xpress / Number of older adults living with opioid use disorder in Ontario more than doubles over eight years, new report finds

The number of Ontarians aged 55 and older with health care interactions related to opioid use disorder (OUD) more than doubled between 2017 and 2025, according to a new report published by the Ontario Drug Policy Research ...

2 hours ago
Phys.org / Governments across Australia know how to stop violence against Indigenous women, they just don't do it

Indigenous women and children experience disproportionate levels of family violence. Aboriginal and Torres Strait Islander women are killed at rates up to six times higher than non-Indigenous women, overwhelmingly by intimate ...

2 hours ago
Medical Xpress / 'Dark genome' reveals different routes to inflammation in age-related condition

The study, published in GeroScience, investigated mutations in DNMT3A and TET2, the two most common mutations in clonal hematopoiesis, an age-related condition in which mutated blood stem cells expand and form larger populations ...

2 hours ago
Tech Xplore / Stocking masks making a criminal comeback

You may recall the scene in the comedy Raising Arizona in which Nicolas Cage pulls a pair of pantyhose over his head before attempting, with limited success, to rob a convenience store of a pack of diapers.

4 hours ago