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Phys.org / Sugars, 'gum,' stardust found in NASA's asteroid Bennu samples

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar system and the origins of life. As part of the ongoing study of pristine samples delivered to Earth ...

Dec 2, 2025 in Astronomy & Space
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 / Scientists rule out fourth neutrino in particle physics mystery

Scientists have taken a major step toward solving a long-standing mystery in particle physics, by finding no sign of the particle many hoped would explain it.

Dec 3, 2025 in Physics
Medical Xpress / Molecular switch links early-life stimulation to lasting memory changes

Researchers have identified a molecular mechanism that helps explain why growing up in a stimulating environment enhances memory. In contrast, a lack of stimulation can impair it. The team from the Institute for Neurosciences ...

Dec 3, 2025 in Genetics
Phys.org / Complex life developed nearly 1 billion years earlier than previously thought, study reveals

Complex life began to develop earlier, and over a longer span of time, than previously believed, a new study has revealed. The research sheds new light on the conditions needed for early organisms to evolve and challenges ...

Dec 3, 2025 in Biology
Phys.org / Ancient stalagmite provides insights into how climate affected early communities in cradle of civilization

The Fertile Crescent, a boomerang-shaped region spanning modern-day Middle Eastern countries, is considered the cradle of civilization and where farming first emerged. But little is known about how climate change influenced ...

Dec 2, 2025 in Earth
Tech Xplore / Audio-augmented wearable aims to improve mindfulness, with possible benefits for those with anxiety and ADHD

A new device uses focused sound cues to keep users grounded amid digital distractions, with possible benefits for anxiety and ADHD as well.

Dec 3, 2025 in Consumer & Gadgets
Phys.org / Self-adapting fiber component tackles heat challenges in high-power fiber lasers

Thulium fiber lasers, operating at a wavelength of 2 micrometers, are valued for applications in medicine, materials processing, and defense. Their longer wavelength makes stray light less damaging compared to the more common ...

Dec 3, 2025 in Physics
Phys.org / The bacteria that won't wake up: NASA discovers new bacteria 'playing dead'

New research conducted on a NASA-discovered bacterium shows the microbe is capable of entering an extreme dormant state, essentially "playing dead" to survive in some of the cleanest environments on Earth.

Dec 3, 2025 in Astronomy & Space
Medical Xpress / Pegcetacoplan—the 'closest thing to a cure' for rare, severe kidney disease

A rare and life-threatening kidney disease in children finally has an effective therapy, thanks in large part to pioneering research and clinical leadership from University of Iowa Health Care Stead Family Children's Hospital.

Dec 3, 2025 in Medications
Phys.org / Simulations reveal how black holes generate intense light from infalling matter

Surprisingly, some of the universe's brightest objects are black holes. As scorching gas and dust flow around and into a black hole, they glow with fierce intensity across the light spectrum. Now, a team of computational ...

Dec 3, 2025 in Astronomy & Space
Phys.org / Precise catalyst design boosts hydrogen gas production efficiency and affordability

A recent advance in the science of hydrogen fuel production could enable higher output and more sustainable production of this renewable energy source, researchers with Stockholm's KTH Royal Institute of Technology report.

Dec 3, 2025 in Chemistry