Phys.org news

Phys.org / The Star of Bethlehem might have actually been a comet described in an ancient Chinese text

Many researchers have spent decades attempting to decode biblical descriptions and link them to verifiable historical events. One such description is that of the Star of Bethlehem—a bright astronomical body that was said ...

22 minutes ago in Astronomy & Space
Phys.org / Biology-inspired brain model matches animal learning and reveals overlooked neuron activity

A new computational model of the brain based closely on its biology and physiology has not only learned a simple visual category learning task exactly as well as lab animals, but even enabled the discovery of counterintuitive ...

52 minutes ago in Biology
Phys.org / Multi-core black carbon particles found to boost light absorption in wildfire smoke

Researchers at The Education University of Hong Kong (EdUHK) have contributed to a study revealing that conventional theories on the structure of black carbon particles—such as those emitted by wildfires—may have significantly ...

43 minutes ago in Earth
Phys.org / Josephson junction behavior observed with only one superconductor and iron barrier

Separate two superconductors with a thin layer of material and something strange happens.

59 minutes ago in Physics
Phys.org / Twisted light-matter systems unlock unusual topological phenomena

Properties that remain unchanged when materials are stretched or bent, which are broadly referred to as topological properties, can contribute to the emergence of unusual physical effects in specific systems.

1 hour ago in Physics
Phys.org / Sugar-derived crystals show stiffness approaching that of aluminum

Mucic acid crystals grown from a water-based solution achieved a record-breaking stiffness for an organic crystal.

4 hours ago in Chemistry
Phys.org / Using microwave pulses to plug leaks in quantum computers makes them more reliable

Scientists have developed a new approach to correcting common quantum computing errors, which could pave the way for more reliable systems.

4 hours ago in Physics
Phys.org / Veritas explores the nature of a mysterious gamma-ray emitter

Astronomers have employed the Very Energetic Radiation Imaging Telescope Array System (VERITAS) to observe a mysterious gamma-ray emitting source designated HESS J1857+026. Results of the observational campaign, published ...

4 hours ago in Astronomy & Space
Phys.org / Aluminum cans are a viable alternative to bottles for red muscadine wine, new study finds

One of the main reasons wine traditionally comes in bottles is to protect its quality. Glass is nonreactive, and the cork or screw cap provides an airtight seal that prevents oxygen from spoiling the liquid. In recent years, ...

2 hours ago in Chemistry
Phys.org / Ancient Puebloans kept macaws and parrots in great houses for ceremonial use

In a recent study, Dr. Katelyn Bishop conducted a zooarchaeological and archival data reanalysis of macaws and parrots recovered from Chaco Canyon to better understand their depositional contexts, material associations, and ...

6 hours ago in Other Sciences
Phys.org / Study uncovers how calcium controls insulin quality in the endoplasmic reticulum

Calcium (Ca2+) drives many cellular functions, though the way it controls quality of proteins in the endoplasmic reticulum (ER), a cellular organelle that synthesizes and transports proteins, has not been elucidated. This ...

3 hours ago in Biology
Phys.org / Ancient microfossils reveal a moving North Pacific Ocean 5 million years ago

A research team led by scientists at Kumamoto University has discovered a new genus of microscopic crustaceans from northern Japan, offering rare insights into how ocean currents in the North Pacific shifted during a key ...

2 hours ago in Biology