Phys.org news

Phys.org / Dazzling cosmic jet reveals time-stamped history of star birth

An international team of astronomers has uncovered the most unmistakable evidence yet that the powerful jets launched by newborn stars reliably record a star's most violent growth episodes, confirming a long-standing model ...

Dec 16, 2025 in Astronomy & Space
Phys.org / Opposing forces in cells could hold clues to treating disease

A newly revealed molecular tug-of-war may have implications for better understanding how a multitude of diseases and disorders—including cancers, neurodegenerative diseases and immune disorders—originate, as well as how ...

Dec 16, 2025 in Biology
Phys.org / New method enables precise fluorine addition to drug-like molecules in one step

Fluorine is critical for biomedicine. This element can help drug compounds be more potent and last longer in the body, and its radioactive isotope, fluorine-18, powers medical imaging techniques such as positron emission ...

Dec 16, 2025 in Chemistry
Phys.org / Silver-coated cicada wing nanostructures boost molecular detection signals

Zoom in far enough on an empress cicada wing, and a strange landscape materializes. At the nanoscale, densely packed spires rise from the surface, covering the wing in an endless grove of bowling pins.

Dec 16, 2025 in Nanotechnology
Phys.org / Remote Southern Ocean seabirds study highlights reach of 'forever chemicals'

Seabirds in one of the remotest parts of the planet are being exposed to a wide range of forever chemicals, scientists have discovered.

Dec 16, 2025 in Earth
Phys.org / How bubbles may speed up CO₂ uptake by the ocean

A new study provides evidence that the ocean may have absorbed as much as 15% (0.3–0.4 Pg C yr-1) more CO2 than previously thought, requiring a re-think of future CO2 flux assessments and global climate models.

Dec 16, 2025 in Earth
Phys.org / Uncovering early embryonic communications using new stem cell model

From the moment an embryo starts to take shape, two-way communication is critical for making sure tissues and organs develop correctly.

Dec 16, 2025 in Biology
Phys.org / Composite copper oxides show strong, long-lasting antiviral action against tough viruses

Composite copper–lanthanum and copper–yttrium oxides developed by researchers from Japan demonstrate exceptionally high antiviral activity against non-enveloped virus. These oxides are highly stable and achieve more than ...

Dec 16, 2025 in Chemistry
Phys.org / After devastating wildfires, watersheds are surprisingly thick with fish and amphibians

In the aftermath of historically severe wildfires in 2020, a study of Cascade Range watersheds found that stream vertebrates are doing surprisingly well, highlighted by flourishing fish populations.

Dec 16, 2025 in Biology
Phys.org / How natural disasters exacerbate inequity

An AI analysis of Google Street View images across 16 states shows that damaged buildings in poorer communities often remain vacant for years, while wealthier areas rebuild faster and better.

Dec 16, 2025 in Other Sciences
Phys.org / Surface-engineered ZnO nanocrystals tackle perfluoroalkyl substance contamination

Perfluoroalkyl substances (PFASs), a large class of synthetic chemicals, are valued for their ability to withstand heat, water, and oil. These materials are used in the production of everyday as well as industrial items. ...

Dec 16, 2025 in Nanotechnology
Phys.org / ROSE-3D advances isotropic 3D super-resolution microscopy

In a study published in Nature Methods on December 2, a research team led by Profs. Xu Tao and Ji Wei from the Institute of Biophysics of the Chinese Academy of Sciences has developed a three-dimensional interferometric localization ...

Dec 16, 2025 in Biology