Phys.org news

Phys.org / For certain life-essential proteins in E. coli, repair is more likely

Proteins need to fold into specific shapes to perform their functions in cells, but they occasionally misfold, which can prevent them from properly functioning and even lead to disease.

Dec 16, 2025 in Biology
Phys.org / How pointing fingers shape what we see in old master paintings

One of the most common human gestures, the pointing finger, appears frequently in Old Master paintings as a guiding cue. However, its influence on viewers' gaze has never been systematically investigated. Researchers in experimental ...

Dec 16, 2025 in Other Sciences
Phys.org / Storms reveal how marine snow shapes carbon flow in the deep ocean

In the midst of the COVID pandemic, scientists embarked on an ambitious research expedition to the North Atlantic to investigate the inner workings of the ocean's carbon cycle. A series of storms hammered the three vessels, ...

Dec 16, 2025 in Earth
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 / A new fossil face sheds light on early migrations of ancient human ancestor

A team of international scientists, led by Dr. Karen Baab, a paleoanthropologist at the College of Graduate Studies, Glendale Campus of Midwestern University in Arizona, produced a virtual reconstruction of the face of early ...

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 / 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 / The dinosaurs that forgot how to fly

A new study led by a researcher from the School of Zoology and the Steinhardt Museum of Natural History at Tel Aviv University examined dinosaur fossils preserved with their feathers and found that these dinosaurs had lost ...

Dec 16, 2025 in Biology
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 / 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 / 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 / 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