Phys.org news

Phys.org / Gaia finds hints of planets in baby star systems

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space telescope, we're getting a unique peek behind the cosmic curtain into these dusty environments.

Dec 18, 2025 in Astronomy & Space
Phys.org / Interpretable neural networks help reveal the nature of dark matter

A research team from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences has developed an interpretable artificial intelligence (AI) framework named Convolutional Kolmogorov–Arnold Network (CKAN), ...

Dec 18, 2025 in Astronomy & Space
Phys.org / Bacterium hijacks fruit ripening program in citrus plants to steal sugars, research reveals

The bacterial pathogen Xanthomonas citri, which causes canker disease in citrus trees, activates selected parts of the fruit ripening program inside infected leaves. Normally, this program makes citrus fruits soften and sweeten ...

Dec 18, 2025 in Biology
Phys.org / Improved tracer labeling expands PET imaging possibilities

Imagine being able to watch organs and tissues work in real time. That's the power of Positron Emission Tomography (PET) imaging, a technology that gives physicians and researchers a window into cellular processes.

Dec 18, 2025 in Chemistry
Phys.org / Common virus 'rewires' intracellular mechanisms to promote infection

Investigators from the laboratory of Derek Walsh, Ph.D., professor of Microbiology-Immunology, have discovered how human cytomegalovirus rewires intracellular mechanisms to control the movement of the cell nucleus, promoting ...

Dec 18, 2025 in Biology
Phys.org / DNA caught on old air filters reveals hidden past of ecosystems

DNA captured on air filters and stored since the 1960s acts as an ecological time capsule, according to a recent publication in Nature Communications. The findings show that tiny fragments of genetic material can paint a ...

Dec 18, 2025 in Biology
Phys.org / Tiny viral 'switch' offers hope against drug-resistant bacteria

As antibiotic-resistant infections rise and are projected to cause up to 10 million deaths per year by 2050, scientists are looking to bacteriophages, viruses that infect bacteria, as an alternative.

Dec 18, 2025 in Biology
Phys.org / Spray-on antibacterial coating offers new protection for plants against disease and drought

Engineers at the University of California San Diego have developed a spray-on polymer coating that could help plants resist harmful bacterial infections and survive drought. The advance, published in ACS Materials Letters, ...

Dec 18, 2025 in Biology
Phys.org / Flat-band ultrastrong coupling between phonons and plasmons observed for first time

Researchers from CIC nanoGUNE, in collaboration with the Donostia International Physics Center (DIPC) and the Center for Materials Physics (CFM), have experimentally observed and theoretically verified flat-band ultrastrong ...

Dec 18, 2025 in Nanotechnology
Phys.org / New machine-learning models capture the rapid evolution of antimicrobial resistance

Antimicrobial resistance (AMR) is an increasingly dangerous problem affecting global health. In 2019 alone, methicillin-resistant Staphylococcus aureus (MRSA) accounted for more than 100,000 global deaths attributable to ...

Dec 18, 2025 in Biology
Phys.org / A new natural sunscreen: Novel compound discovered in thermophilic cyanobacteria

Natural sunscreens shield the skin from harmful radiation, without triggering allergic reactions. In a recently published study, a group of researchers has discovered a novel compound, β-glucose-bound hydroxy mycosporine-sarcosine, ...

Dec 18, 2025 in Chemistry
Phys.org / 'Speed scanner' can test thousands of plant gene switches at once

Agriculture, from the outset, has been made possible by humans tweaking the genes of plants to make them grow faster, produce more of what we want, and survive drought, pests, and infection. For millennia, we did it with ...

Dec 18, 2025 in Biology