Phys.org news

Phys.org / Astronomers examine nuclear star cluster of nearby galaxy Messier 74

By analyzing the data from the PHANGS-MUSE survey, an international team of astronomers has inspected a nuclear star cluster of the nearby large spiral galaxy Messier 74. The new study presented Dec. 3 on the arXiv pre-print ...

Dec 11, 2025 in Astronomy & Space
Phys.org / Ear piercings marked one of the earliest Maya rites of passage, research shows

In a recent study, Ph.D. candidate Yasmine Flynn-Arajdal studied iconographic representations of children in the Classic (ca. 250–950 AD) and Post-classic (ca. 950–1539 AD) imagery, as well as in ethnohistoric and ethnographic ...

Dec 11, 2025 in Other Sciences
Phys.org / Tiny optical modulator could enable giant future quantum computers

Researchers have made a major advance in quantum computing with a new device that is nearly 100 times smaller than the diameter of a human hair.

Dec 11, 2025 in Physics
Phys.org / Polar bears may be adapting to survive warmer climates, says study

New research reveals a link between rising temperatures and changes in polar bear DNA, which may be helping them adapt and survive in increasingly challenging environments.

Dec 11, 2025 in Biology
Phys.org / Dual substitution induces room-temperature ferromagnetism and negative thermal expansion in BiFeO₃

Using a dual-cation substitution approach, researchers at Science Tokyo introduced ferromagnetism into bismuth ferrite, a well-known and promising multiferroic material for next-generation memory technologies. By replacing ...

Dec 11, 2025 in Physics
Phys.org / Chip-scale magnetometer uses light for high-precision magnetic sensing

Researchers have developed a precision magnetometer based on a special material that changes optical properties in response to a magnetic field. The device, which is integrated onto a chip, could benefit space missions, navigation ...

Dec 11, 2025 in Physics
Phys.org / Graphene membranes offer efficient, low-cost option for industrial CO₂ capture

Carbon capture is becoming essential for industries that still depend on fossil fuels, including the cement and steel industries. Natural-gas power plants, coal plants, and cement factories all release large amounts of CO₂, ...

Dec 11, 2025 in Nanotechnology
Phys.org / Enhancing machine-learning interatomic potentials for advanced materials modeling

Machine learning is transforming many scientific fields, including computational materials science. For about two decades, scientists have been using it to make accurate yet inexpensive calculations of interatomic potentials, ...

Dec 11, 2025 in Chemistry
Phys.org / Small galaxies may buck the black hole trend, Chandra finds

Most smaller galaxies may not have supermassive black holes in their centers, according to a recent study using NASA's Chandra X-ray Observatory. This contrasts with the common idea that nearly every galaxy has one of these ...

Dec 11, 2025 in Astronomy & Space
Phys.org / Biphenomycin biosynthetic pathway decoded, opening door to new antibiotic development

Biphenomycins, natural products derived from bacteria, show excellent antimicrobial activity, but have long remained out of reach for drug development. The main obstacle was the limited understanding of how these compounds ...

Dec 11, 2025 in Chemistry
Phys.org / Astronomers challenge 50-year-old quasar law

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been uncovered by an international team of astronomers.

Dec 11, 2025 in Astronomy & Space
Phys.org / How to build a genome: Scientists release troubleshooting manual for synthetic life

Leading synthetic biologists have shared hard-won lessons from their decade-long quest to build the world's first synthetic eukaryotic genome in a Nature Biotechnology paper. Their insights could accelerate development of ...

Dec 11, 2025 in Biology