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Tech Xplore / China's top court posts guidelines on deepfakes, AI disputes

China's top court issued guidelines Monday covering a range of emerging pitfalls associated with artificial intelligence, including unauthorized deepfakes and voice cloning, state media reported.

1 hour ago
Phys.org / New nitride semiconductor expands material options for more powerful electronics

Polar wurtzite nitride semiconductors, such as aluminum nitride (AlN) and gallium nitride (GaN), are central to modern high-power and high-frequency electronic devices because of their wide band gaps, high breakdown electric ...

1 hour ago
Phys.org / Three quantum phases in chromium-based material hint at a spin-triplet superconductor

Superconductors are materials that conduct electricity without electrical resistance when cooled below a specific critical temperature. These materials have proved promising for the development of various technologies, including ...

9 hours ago
Phys.org / Reversible electric control unlocks persistent chiral phonon states

Atoms in a material are rarely still. They jiggle back and forth in collective lattice vibrations known as phonons. Their motion can also carry a rotational element: In 2023, scientists at PSI experimentally proved the existence ...

2 hours ago
Phys.org / Do black holes have hidden hair? Scientists find a new way to check

When two black holes crash together and merge, the newly formed black hole rings like a bell, sending out gravitational waves with specific frequencies that fade over time. This brief, fading pattern of waves is called ringdown, ...

7 hours ago
Medical Xpress / Understudied gut fungus may help repair radiation-damaged DNA and limit intestinal injury

The gut microbiome has been a popular topic for a while now, but the focus is usually on good bacteria. A new study, published in the journal Proceedings of the National Academy of Sciences, suggests that we may want to pay ...

4 hours ago
Medical Xpress / MLC1 antibody identified as possible trigger of rare neurological autoimmune disorder

Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune disease of the central nervous system in which the immune system attacks structures in the brain, spinal cord and optic nerve. It mostly affects astrocytes, ...

2 hours ago
Tech Xplore / AI could pose 'existential risk to humanity': UN rights chief

The United Nations rights chief warned Monday that artificial intelligence could pose an "existential threat to humanity," demanding immediate action to reduce the risks.

1 hour ago
Medical Xpress / CBD may fall short in treating alcohol use disorder, despite promising animal studies

Evidence for the effectiveness of cannabidiol (CBD) as a treatment for alcohol use disorder (AUD) remains elusive, though ongoing research is warranted, according to an updated review of studies.

1 hour ago
Phys.org / What can a pair of underpants tell you about your vegetable garden?

This summer, 115 participants in Leiden and The Hague worked with scientists from Leiden University to investigate the soil life in their community garden plots. With mangetout peas, a taste test, a buried pair of underpants ...

1 hour ago
Phys.org / Can atmospheric methane removal limit peak warming?

In a new report, the United Nations Environment Program (UNEP) concludes that global warming is expected to exceed 1.5°C within the next few years. This makes two questions increasingly important: how high will temperatures ...

3 hours ago
Medical Xpress / Why scientists are looking to provoke disagreement among AI brain models

When people wanted to create better artificial intelligence, they looked to the brain for inspiration. Now the tables are turning, and researchers are using AI models to better understand the brain. But how do we judge which ...

3 hours ago