Phys.org news

Phys.org / Nano water droplet technology removes 99.9% of ultrafine dust in the air

A KAIST research team has developed a new water-based air purification technology that combines nano water droplets that capture dust with a nano sponge structure that autonomously draws up water, enabling dust removal using ...

18 hours ago in Nanotechnology
Phys.org / Cosmic gas flows, not collisions, explain Milky Way's double chemical signature

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been revealed by a new study.

21 hours ago in Astronomy & Space
Phys.org / When companies 'go green,' air quality impacts can vary dramatically

Many organizations are taking actions to shrink their carbon footprint, such as purchasing electricity from renewable sources or reducing air travel. Both actions would cut greenhouse gas emissions, but which offers greater ...

17 hours ago in Earth
Phys.org / Temporary carbon removals can offset methane's short-term warming impact

Carbon removal projects could prove vital in offsetting methane emissions—the second largest contributor to global warming.

17 hours ago in Earth
Phys.org / DNA nanostructures get an ionic 'protective suit' for harsh biological environments

DNA nanostructures are exciting new biomedical tools with myriad potential in treatment, diagnosis and disease prevention. Made of folded DNA, these nanostructures are highly programmable and have been used in bioengineering ...

17 hours ago in Nanotechnology
Phys.org / Observing ultrafast magnetic domain changes at the nanoscale with soft X-rays

Scientists at the Max Born Institute have developed a new soft X-ray instrument that can reveal dynamics of magnetic domains on nanometer length and picosecond time scales. By bringing capabilities once exclusive to X-ray ...

17 hours ago in Physics
Phys.org / When climate risk hits home, people listen: Local details can enhance disaster preparedness messaging

A subtle change in how climate risk is communicated—mentioning a person's local area—can significantly increase attention to disaster preparedness messages, according to a new study by researchers at the Stockholm School ...

22 hours ago in Earth
Phys.org / A sound defense: Noisy pupae puff away potential predators

Insect pupae hiss like snakes for defense. A Kobe University team now reveals the mechanisms, opening the door to further studies involving predator reactions to defensive sounds.

Dec 7, 2025 in Biology
Phys.org / Membrane 'neighborhood' helps transporter protein regulate cell signaling

When a cell receives a message from outside, it generates a molecule called cyclic AMP (cAMP) to relay this message. To ensure the signal reaches the correct effector without triggering pathways accidentally, cAMP levels ...

Dec 7, 2025 in Biology
Phys.org / DNA confirms modern Bo people are descendants of ancient Hanging Coffin culture

In a recent study, researcher Dr. Hui Zhou and his colleagues conducted a genetic analysis of the genomes of individuals associated with the ancient Hanging Coffin tradition in Southeast and Southern Asia. In addition, they ...

Dec 6, 2025 in Other Sciences
Phys.org / New 'remarkably tame' tinamou species discovered in Amazon mountains may already be at risk of extinction

The Amazon rainforest has yielded yet another new species, according to a recent study published in Zootaxa. Discovered in the mountains of the Serra do Divisor National Park (SDNP) in Brazil, this ground-dwelling bird has ...

Dec 6, 2025 in Biology
Phys.org / New construction material absorbs CO₂ and sets quickly for sustainable building

Worcester Polytechnic Institute (WPI) researchers have created a new carbon-negative building material that could transform sustainable construction. The breakthrough, published in the high-impact journal Matter, details ...

Dec 6, 2025 in Chemistry