Phys.org news

Phys.org / Perovskite quantum dots crack two big barriers, staying stable in polar solvents and growing with atomic precision

Perovskite quantum dots are considered promising materials for LEDs, photocatalysis, and future quantum light sources. Researchers at LMU Munich have managed to master two major hurdles in working with these quantum dots: ...

2 hours ago
Phys.org / Pressure-tuned quantum spin liquid-like behavior observed in material Y-kapellasite

A quantum spin liquid is a phase of matter in which the magnetic moments in a material do not align or freeze, even at temperatures close to absolute zero (i.e., at 0 K). The experimental realization of this highly dynamic ...

6 hours ago
Phys.org / Black bears are emerging as roaming reservoirs of antibiotic-resistant bacteria across expanding US ranges

A new gut microbiome study of bears in eastern North Carolina expands our understanding of microbial ecosystems in omnivores and contributes to the broader idea that bear feces could help scientists monitor changes in the ...

2 hours ago
Phys.org / Uganda's Python Cave reveals how a Marburg virus outbreak could begin

Marburg virus disease (MVD) is a severe and often fatal hemorrhagic disease in humans caused by the Marburg virus. It is carried by Egyptian fruit bats and can spread to people after exposure in caves or mines where they ...

4 hours ago
Phys.org / Breaking a shared defense restores antibiotics against two cystic fibrosis lung bacteria

A newly discovered mechanism renders antibiotic-resistant bacteria vulnerable by disabling both their individual resistance and a process known as cross-protection, the ability of resistant bacteria to shield nearby, otherwise ...

6 hours ago
Phys.org / Simple ocean-based model forecasts a powerful El Niño, over 2 °C warmer than normal

For decades, scientists have worked to improve predictions of El Niño-Southern Oscillation (ENSO), a climate powerhouse that can cause droughts, flooding, marine heat waves, and more around the world. Researchers from the ...

5 hours ago
Phys.org / AI maps mammals' molecular 'dark matter' by predicting billions of missing metabolites

Invisible "dark matter"—what cosmologists call the mysterious glue that holds everything together—is estimated to make up more than a quarter of the universe. In chemistry, dark matter refers to the thousands of small molecules ...

6 hours ago
Phys.org / One-step method reveals structures of RNA-protein complexes in living cells

A new method developed at Baylor College of Medicine and collaborating institutions allows researchers to better understand how RNA works. The method, published in Molecular Cell, is a powerful strategy for identifying intricate ...

3 hours ago
Phys.org / Stretching and squeezing diamond opens new path for ultra-precise quantum sensors

Researchers have discovered a new way to tune the quantum properties of tiny defects in diamond—by gently stretching or compressing the crystal. These findings could pave the way for next-generation sensors that can detect ...

4 hours ago
Phys.org / A laser inspired by black holes: Extreme physics recreated in the lab

Researchers from Bar-Ilan University have successfully recreated key features of black hole physics in a laboratory setting using an innovative optical system that mimics how black holes behave after violent cosmic events ...

4 hours ago
Phys.org / Could the mathematical 'shape' of the universe solve the cosmological constant problem?

The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the cosmos. It's also the source of one of the most enduring and confounding problems in modern physics.

20 hours ago
Phys.org / Archaeological mission in Oxyrhynchus has found Homer's 'Iliad' inside a Roman-era mummy

The Oxyrhynchus Archaeological Mission, run by the Institute of Ancient Near East Studies (IPOA) at the University of Barcelona and led by Maite Mascort and Esther Pons, has identified a papyrus containing a fragment of Homer's ...

19 hours ago