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Phys.org / Saturn's rings extend further above and below the ring plane, forming a 'halo'

The Cassini probe took its final orbits, referred to as the Grand Finale Orbits (GFOs), in 2017, before launching itself into Saturn's atmosphere. During these GFOs, the probe collected samples of dust above and below Saturn's ...

Dec 17, 2025 in Astronomy & Space
Medical Xpress / Ending federal housing support could raise US homelessness by 5% in one year

Eliminating federal funding for Housing First programs, initiatives that provide people experiencing homelessness (PEH) with stable housing without requiring sobriety or treatment, could lead to a sharp rise in homelessness ...

Dec 19, 2025 in Medical economics
Phys.org / AI learns to build simple equations for complex systems

A research team at Duke University has developed a new AI framework that can uncover simple, understandable rules that govern some of the most complex dynamics found in nature and technology.

Dec 17, 2025 in Other Sciences
Medical Xpress / Estrogen heightens gut pain sensitivity and may explain IBS gender gap

Women are dramatically more likely than men to suffer from irritable bowel syndrome (IBS), a chronic condition causing abdominal pain, bloating, and digestive discomfort. Now, scientists at UC San Francisco may have discovered ...

Dec 18, 2025 in Inflammatory disorders
Phys.org / Research reinvents MXene synthesis at a fraction of the cost

MXenes (pronounced like the name "Maxine") are a class of two-dimensional materials, first identified just 14 years ago, with remarkable potential for energy storage, catalysts, ultrastrong lightweight composites, and a variety ...

Dec 18, 2025 in Nanotechnology
Phys.org / How a new diet of penguins is changing puma behavior and social lives in Patagonia

Penguins in the coastal steppes of Argentina have a new enemy to worry about: the increasing numbers of pumas in Monte León National Park (MLNP). These powerful mountain cats were once on the brink of disappearing from this ...

Dec 17, 2025 in Biology
Phys.org / Drone sampling of whale breath reveals first evidence of potentially deadly virus in Arctic

Drones have been used to successfully collect samples from the exhaled breath—or "blow"—from wild humpback, sperm and fin whales in northern Norway, hailing a new era of non-invasive health monitoring for these marine ...

Dec 18, 2025 in Biology
Phys.org / Subtle twist in materials prompts surprising electromagnetic behavior

Materials react differently to electric and magnetic fields, and these reactions are known as electromagnetic responses. In many solid materials, unusual electromagnetic responses have been known to only emerge when specific ...

Dec 17, 2025 in Physics
Medical Xpress / What determines the fate of a T cell? Research highlights cellular 'housekeeping' mechanism

When killer T cells of our immune system divide, they normally undergo asymmetric cell division (ACD): Each daughter cell inherits different cellular components, which drive the cells toward divergent fates—one cell becomes ...

Dec 19, 2025 in Immunology
Medical Xpress / Young children more likely to visit ER after virtual care than in-person visits, study shows

A new Ontario-based study finds that children aged three months to two years are more likely to visit the emergency department (ED) within three days after a virtual primary care appointment compared to an in-person visit. ...

Dec 19, 2025 in Pediatrics
Medical Xpress / People's facial mimicry predicts their choices, study finds

In social situations, humans often copy the facial expressions of others who they are interacting with. This phenomenon, known as facial mimicry, is widely reported and has been linked to social connection and an empathic ...

Dec 17, 2025 in Psychology & Psychiatry
Phys.org / A 400-million-year-old fossil is revealing how plants grew into giants

The tallest plants alive today can grow to over 100 meters tall. But they evolved from ancestors that were just a few centimeters high.

Dec 18, 2025 in Biology