Phys.org news

Phys.org / Pompeii's battle scars linked to an ancient 'machine gun'

The ancient city of Pompeii is one of those archaeological sites that keeps on giving with one discovery after another. While much of what we know about the Roman settlement comes from the eruption of Vesuvius in AD 79, another ...

4 hours ago
Phys.org / Clearing the nanoscale bottleneck holding back next-gen electronics

Researchers at UCLA have discovered a way to dramatically improve how electrical current enters perovskite semiconductors, an emerging class of materials with enormous potential for next-generation electronics. Their research ...

1 hour ago
Phys.org / H5N1 in marine mammals is spreading: Research tallies over 50,000 seals and sea lions killed along South America's coast

When the H5N1 highly pathogenic avian influenza virus was discovered on a poultry farm in Asia in 1996, there was little indication that it would become so widespread and so destructive. Within 30 years, it reached every ...

2 hours ago
Phys.org / Invasive grasses may be turning British Columbia's burn scars into the next wildfire

After a wildfire, the flames may fade, but the danger does not. A new study by UBC researchers reveals that burned landscapes remain vulnerable for years, with large areas still bare and at risk of invasion by fast-growing, ...

2 hours ago
Phys.org / Molecular enhancements help plants light up when they're under attack

Imagine that plants could tell us exactly when they're stressed, infected, or being eaten by insects, by lighting up. A new study led by Dr. Karen Sarkisyan, Head of the Synthetic Biology group at the MRC Laboratory of Medical ...

2 hours ago
Phys.org / Durum wheat lines combine freezing tolerance with high pasta quality

Researchers from Skoltech, the International Maize and Wheat Improvement Center in Mexico, the Research Center for Cereal and Industrial Crops in Italy, and other international organizations have developed new durum wheat ...

3 hours ago
Phys.org / Engineered nanoparticles show enhanced intrinsic luminescence for biomedical imaging and cancer treatment

The Nanomedicine and Nanotoxicology Group (GNano) at the University of São Paulo's São Carlos Institute of Physics (IFSC-USP) in Brazil has discovered a way to transform hydroxyapatite, a bioceramic material, into a nanoparticle ...

1 hour ago
Phys.org / Light-activated medicines may cut side effects: How a switchable beta blocker works

Rendering a drug effective or ineffective in a flash at the appropriate location—this is the focus of research in photopharmacology. The goal is to develop drugs that can be switched on and off with light of a specific ...

3 hours ago
Phys.org / An AI-guided gene-editing tool for more precise and safer DNA correction

Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine) have developed a revolutionary new method to improve compact gene-editing tools known as base editors, which enable smaller, ...

3 hours ago
Phys.org / Milkweed evolves 'mind-blowing' tactic to fight monarchs

Milkweed has found a new strategy in its epic evolutionary battle with monarch butterflies: upgrading its toxins to outmaneuver the monarch's resistance. In a new study, published in the Proceedings of the National Academy ...

4 hours ago
Phys.org / Ultra-thin MoSe₂ grating traps infrared light in a 40-nanometer layer

Controlling light at the micro- and nanoscale opens up opportunities for a better understanding of the world and the development of technology. As modern electronics approaches the limits of its capabilities, photonics comes ...

1 hour ago
Phys.org / The discovery of a buried delta on Mars could boost the search for life

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface. NASA's Perseverance rover found it more than 35 meters beneath Jezero Crater using ground-penetrating ...

8 hours ago