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Phys.org / High-resolution map shows dark matter's gravity pulled normal matter into galaxies

Scientists have created the highest resolution map of the dark matter that threads through the universe—showing its influence on the formation of stars, galaxies and planets.

Jan 26, 2026 in Astronomy & Space
Phys.org / How a broken DNA repair tool accelerates aging

Although DNA is tightly packed and protected within the cell nucleus, it is constantly threatened by damage from normal metabolic processes or external stressors such as radiation or chemical substances. To counteract this, ...

Jan 30, 2026 in Biology
Phys.org / How to cut harmful emissions from ditches and canals

Ditches and canals are the underdog of the freshwater world. These human-made waterways are often forgotten, devalued, and perceived negatively—think "dull as ditchwater." But these unsung heroes have a hidden potential ...

Feb 1, 2026 in Earth
Medical Xpress / Gut-derived metabolite hippuric acid 'turns up' immune inflammation, study finds

Scientists at The Wistar Institute have identified a previously overlooked mediator in the body's response to life-threatening infections: hippuric acid, a metabolite produced when gut bacteria break down polyphenols from ...

Jan 31, 2026 in Immunology
Phys.org / Amazon Leo satellites exceed brightness limits, study finds

Seeing a satellite zip across the night sky can be a fascinating sight. However, what may be spectacular for people on the ground is becoming a major problem for astronomers. A new study published on the arXiv preprint server ...

Jan 27, 2026 in Astronomy & Space
Phys.org / From stellar engines to Dyson bubbles, alien megastructures could hold themselves together under the right conditions

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering precautions, calculations ...

Jan 27, 2026 in Astronomy & Space
Phys.org / The first direct observation of a liquid charge density wave

Charge density waves (CDWs) are ordered, crystal-like patterns in the arrangement of electrons that spontaneously form inside some solid materials. These patterns can change how electricity flows through materials, in some ...

Jan 28, 2026 in Physics
Tech Xplore / A chatbot entirely powered by humans, not artificial intelligence? This Chilean community shows why

About 50 residents of a community outside Chile's capital spent Saturday trying their best to power an entirely human-operated chatbot that could answer questions and make silly pictures on command, in a message to highlight ...

Feb 1, 2026 in Machine learning & AI
Phys.org / The Great Mongolian Road: Japanese Imperial Army maps reveal first detailed documentation

In a study published in the Journal of Historical Geography, researchers Dr. Chris McCarthy and his colleagues have documented, for the first time, the Great Mongolian Road, a major yet understudied east-west caravan route ...

Jan 27, 2026 in Other Sciences
Tech Xplore / Nvidia boss insists 'huge' investment in OpenAI on track

Nvidia chief executive Jensen Huang has insisted the US tech giant will make a "huge" investment in OpenAI and dismissed as "nonsense" reports that he is unhappy with the generative AI star.

Feb 1, 2026 in Business
Phys.org / Deforestation is drying out the Amazon rainforest faster than previously thought

Deforestation is having a more devastating effect on the Amazon rainforest than earlier data suggested. While cutting down large swaths of trees destroys vital habitats, it also harms the region's ability to generate its ...

Jan 28, 2026 in Earth
Tech Xplore / New light-emitting artificial neurons could run AI systems more reliably

Over the past decades, computer scientists have developed increasingly advanced artificial intelligence (AI) systems that perform well on various tasks, including the analysis or generation of images, videos, audio recordings ...