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Phys.org / How social media shapes tolerance and echo chambers

Open Facebook and the patterns are unmistakable. It can feel like almost every post that we see mirrors our own preferences. Friends and family sharing photos and stories echoing viewpoints you've heard countless times before.

Dec 10, 2025 in Other Sciences
Phys.org / Energy-efficient hydrogen: Plant waste and chromium-coated copper catalyst improve electrolysis process

Hydrogen fuel could be an important part of the clean energy revolution. But it faces some challenges. Most hydrogen today is made from natural gas using a process called steam methane reforming, which produces lots of carbon ...

Dec 9, 2025 in Chemistry
Medical Xpress / Targeted anti-toxin therapeutic shows promise against C. difficile infections

In a major step toward a precision therapy for Clostridioides difficile (C. diff) infection, researchers at The Hospital for Sick Children (SickKids) have uncovered how the body's bile acids bind to block C. diff's most dangerous ...

Medical Xpress / Could hidden infections be fueling long COVID?

For millions suffering from long COVID, their persistent breathlessness, brain fog and fatigue remain a maddening mystery, but a group of leading microbiologists think they may have cracked the case.

Medical Xpress / Family history of cardiometabolic disease linked to faster heart damage in youth

A new study of more than 1,500 British adolescents is the first in the world to assess the association between familial cardiometabolic diseases and the offspring's risk of premature heart damage by early adulthood. The study ...

Dec 10, 2025 in Cardiology
Phys.org / Observations link solar flare pulsations to repeated magnetic reconnection

A new study led by Southwest Research Institute (SwRI) links quasi-periodic pulsations (QPPs) in solar flares to dynamic oscillations in magnetic reconnection, a phenomenon that can drive space weather and affect technology ...

Dec 9, 2025 in Astronomy & Space
Medical Xpress / Life-saving frozen blood platelets prove safe to use in critically injured patients

Research has proven frozen blood platelets are safe and effective for use in critically injured patients—a breakthrough dramatically extending their shelf life for transfusions from one week to two years.

Dec 9, 2025 in Cardiology
Phys.org / NASA begins moon mission plume-surface interaction tests

In March, NASA researchers employed a new camera system to capture data imagery of the interaction between Firefly Aerospace Blue Ghost Mission-1 lander's engine plumes and the lunar surface.

Dec 10, 2025 in Astronomy & Space
Tech Xplore / EVs pose no greater risk to pedestrians than conventional vehicles, study indicates

Electric vehicles (EVs) are no more dangerous to pedestrians than traditional petrol or diesel cars, according to a new study.

Dec 9, 2025 in Energy & Green Tech
Phys.org / Female Galápagos seabirds have flings—and males seem OK with it

Perched on a plastic chair overlooking a colony of Nazca boobies in the Galápagos Islands, researcher David Anderson carefully studied the seabirds.

Dec 9, 2025 in Biology
Phys.org / Probing the existence of a fifth force via neutron star cooling

Neutron stars are ultra-dense star remnants made up primarily of nucleons (i.e., protons and neutrons). Over the course of millions of years, these stars progressively cool down, radiating heat into space.

Dec 5, 2025 in Physics
Medical Xpress / Psychedelics can disrupt normal link between brain's neuronal activity and blood flow

Psilocybin is a psychedelic drug with promising clinical applications for treating mood disorders and substance abuse disorders. Recent work in functional MRI (fMRI) studies show that psychedelics can reset brain network ...

Dec 9, 2025 in Neuroscience