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Phys.org / Bumble bees launch a three-stage defensive response when their nest is disturbed

Bumble bees respond to physical disturbance of their nest with a sequence of defensive behaviors that lasts up to 10 minutes, according to a study by Sajedeh Sarlak at the University of Konstanz, Germany, and colleagues.

Dec 3, 2025 in Biology
Tech Xplore / Taming chaos in neural networks: A biologically plausible way

A new framework that causes artificial neural networks to mimic how real neural networks operate in the brain has been developed by a RIKEN neuroscientist and his collaborator. In addition to shedding light on how the brain ...

Dec 3, 2025 in Machine learning & AI
Phys.org / Golden Eagles in the West appear stable, but Nevada tells a different story

Golden Eagles (Aquila chrysaetos) have been protected in North America since 1962 and their populations in the West are considered stable. However, a new study published in the Journal of Raptor Research found that the Nevada ...

Dec 3, 2025 in Biology
Tech Xplore / Chicago Tribune sues Perplexity AI for copyright infringement

On Dec. 4, the Chicago Tribune filed a copyright infringement lawsuit in New York federal court against Perplexity AI, alleging the California-based startup has been unlawfully profiting off the newspaper's content in building ...

Dec 5, 2025 in Business
Medical Xpress / Visualizing neural connections in 3D with a new microscopy technique

Leiden researchers can now visualize the connections between brain cells. Their microscopy technique could significantly advance the human quest to understand brain functions. The study is published in the Proceedings of ...

Dec 4, 2025 in Neuroscience
Phys.org / Deciphering the heavyweights of the tetraquark world

The CMS collaboration reports the first measurement of the quantum properties of a family of tetraquarks that was recently discovered at the LHC.

Dec 3, 2025 in Physics
Medical Xpress / AI brain scan model identifies stroke, brain tumors and aneurysms

A new AI model could help radiologists identify brain abnormalities in MRI scans for all conditions including stroke, multiple sclerosis and brain tumors.

Dec 5, 2025 in Radiology & Imaging
Phys.org / Rice enzyme OsPLC4 triggers Ca²⁺ and ROS bursts to drive ferroptotic cell death in immune response

A research team at Sejong University's Plant Immunity Laboratory, led by Professor Nam-Soo Jwa, has uncovered an important regulatory component of rice immunity.

Dec 5, 2025 in Biology
Medical Xpress / Airplane and hospital air is cleaner than you might think

When it comes to the air in public places, germophobes can breathe a bit easier. According to a new Northwestern University study, the ambient air on airplanes and in hospitals mostly contains harmless microbes typically ...

Dec 3, 2025 in Health
Phys.org / Astronomers warn satellite growth may contaminate nearly all space telescope data

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could contaminate almost all the images taken by space telescopes, NASA astronomers warned Wednesday.

Dec 3, 2025 in Astronomy & Space
Medical Xpress / Saliva and plasma at the core of cancer detection and treatment

Saliva and plasma could be crucial in detecting recurrences or relapses of head and neck cancers, negating the need for a painful and invasive biopsy.

Dec 5, 2025 in Oncology & Cancer
Phys.org / Embryos show specialized asymmetry at the earliest stage

As nearly one in six couples experience fertility issues, in-vitro fertilization (IVF) is an increasingly common form of reproductive technology. However, there are still many unanswered scientific questions about the basic ...

Dec 3, 2025 in Biology