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Medical Xpress / Astrocytes in the amygdala may play a key role in anxiety

In a study published in Neuron, Ciaran Murphy-Royal, researcher at the Center de recherche du Center hospitalier de l'Université de Montréal (CRCHUM), and his team show that astrocyte activity in the brain's fear center, ...

2 hours ago
Tech Xplore / Video-based AI gives robots a visual imagination

In a major step toward more adaptable and intuitive machines, Kempner Institute Investigator Yilun Du and his collaborators have unveiled a new kind of artificial intelligence system that lets robots "envision" their actions ...

2 hours ago
Phys.org / Ancient fish used their lungs to hear underwater, scientists reveal

How did ancient fish perceive their environment in the deep sea? An international team led by scientists from the Natural History Museum of Geneva (MHNG) and the University of Geneva (UNIGE) reveals that some coelacanths—fish ...

2 hours ago
Phys.org / Light-activated nanoparticles trigger copper overload to kill cancer cells

Cuproptosis was discovered in 2022. It was a previously unknown type of cell death caused by an excess of copper. The research group led by Professor Johannes Karges at Ruhr University Bochum, Germany, used this mechanism ...

2 hours ago
Medical Xpress / Targeted ultrasound may help the brain overcome fear more quickly

Neuroscientist Sjoerd Meijer of the Donders Institute at Radboud University has shown for the first time that targeted ultrasonic sound waves can help the brain overcome fear more quickly. These findings may open new avenues ...

2 hours ago
Tech Xplore / Holographic storage approach packs more data into the same space by encoding three properties of light

Researchers have developed a holographic data storage approach that stores and retrieves information in three dimensions by combining three properties of light—amplitude, phase and polarization. By allowing more data to ...

2 hours ago
Phys.org / Medieval DNA reveals trans-Saharan connections, rapid genetic mixing and leprosy in Islamic Ibiza

Medieval Ibiza was far from a quiet Mediterranean backwater. New DNA evidence shows that the island was part of a dynamic world linking Europe, North Africa and even the Sahel zone, south of Sahara. An international research ...

6 hours ago
Tech Xplore / AI system learns to prevent warehouse robot traffic jams, boosting throughput 25%

Inside a giant autonomous warehouse, hundreds of robots dart down aisles as they collect and distribute items to fulfill a steady stream of customer orders. In this busy environment, even small traffic jams or minor collisions ...

3 hours ago
Phys.org / Galactic warming: The 'car engine-like' effect heating our Milky Way

Our Milky Way's halo of hot gas is warmer to the "south" than the "north" because of an internal combustion engine-like effect that is compressing the gas like a piston, a new study has found. Computer simulations reveal ...

3 hours ago
Medical Xpress / How the brain fine-tunes fear as threats fade

Researchers at Tulane University have identified brain circuits that help determine how fear responses change as perceived threats diminish, offering new insight into how the brain regulates defensive behavior and why those ...

3 hours ago
Phys.org / Researchers create a three-nanometer single-layer UiO-66 MOF nanosheet

Metal-organic frameworks (MOFs) are porous structures composed of metal ions (or clusters) and organic linker molecules—much like a molecular scaffold. Thanks to their high porosity and large surface area, MOFs can store ...

2 hours ago
Tech Xplore / ByteDance rolls out Seedance 2.0 globally, expanding AI video generation

Chinese artificial intelligence powerhouse and TikTok creator ByteDance has quietly rolled out its latest video generator Seedance 2.0 worldwide, while its US rival OpenAI called time on a similar product.

2 hours ago