Phys.org news

Phys.org / Essential oils may provide a natural remedy for antibiotic resistance

Thyme, rosemary, and lavender have long been associated with natural medicine. Today, however, these aromatic plants are increasingly being studied by researchers. "In an era of ever-increasing microbial resistance to antibiotics, ...

19 hours ago in Biology
Phys.org / Asteroid that wiped out dinosaurs had limited impact on sharks and rays, study shows

A new study using advanced artificial intelligence (AI) has revealed that the asteroid strike that wiped out the dinosaurs 66 million years ago caused only a modest decline in shark and ray species. The findings, published ...

18 hours ago in Biology
Phys.org / Massive runaway stars in the Milky Way: Observational study explores origins and ejection process

Researchers from the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC), in collaboration with the Institute of Astrophysics of the Canary Islands (IAC), ...

19 hours ago in Astronomy & Space
Phys.org / Novel 'XFELO' laser system produces razor-sharp X-ray light

A team of engineers and scientists has shown for the first time that a hard-X-ray cavity can provide net X-ray gain, with X-ray pulses being circulated between crystal mirrors and amplified in the process, much like happens ...

18 hours ago in Physics
Phys.org / AI model forecasts severe thunderstorms 4 hours ahead with higher accuracy

In a critical advance for climate resilience, researchers from The Hong Kong University of Science and Technology (HKUST) have developed an AI model that can predict dangerous convective storms—including Black Rainstorms, ...

19 hours ago in Earth
Phys.org / Simple statistical method predicts landslide risk more accurately than classic method

A relatively simple statistical analysis method can more accurately predict the risk of landslides caused by heavy rain, according to a study coordinated by Brazilian researchers affiliated with the Institute of Mathematical ...

19 hours ago in Earth
Phys.org / Caterpillars hear through tiny body hairs, which could inspire improved microphones

No ears, no problem. The tobacco hornworm caterpillar, a common garden pest, can actually detect airborne sound via microscopic hairs on its body, according to a team of faculty and graduate students at Binghamton University. ...

19 hours ago in Biology
Phys.org / Pesticides significantly affect soil life and biodiversity, study finds

Seventy percent of soils in Europe are contaminated with pesticides. A Europe-wide study co-led by researchers of the University of Zurich now shows that their effects on soil life are substantial, as pesticides suppress ...

20 hours ago in Biology
Phys.org / Overlooked threat: Dams trigger temperature-driven disease in iconic salmonid fish

A new study published in Communications Biology reveals a critical, yet previously overlooked, environmental consequence of man-made dams constructed across rivers and streams. By investigating a key indicator species of ...

19 hours ago in Biology
Phys.org / Tropical feedback loop: Butterfly mimicry patterns evolve faster near the equator

In the early 1990s, Keith Willmott and a friend, both undergraduate students from the United Kingdom, arrived in Ecuador with impressionable minds and big aspirations. Willmott initially imagined there might be 20 to 30 butterfly ...

19 hours ago in Biology
Phys.org / Cryoelectron tomography reveals paracrystalline architecture of proteasome storage granules

Cells organize their molecules into distinct functional areas. While textbooks usually refer to membrane-bound organelles such as mitochondria and cell nuclei, recent studies have also revealed organelles without membranes. ...

18 hours ago in Biology
Phys.org / Framework sets new benchmarks for 3D atom maps in amorphous materials

Researchers at the California NanoSystems Institute at UCLA published a step-by-step framework for determining the three-dimensional positions and elemental identities of atoms in amorphous materials. These solids, such as ...

19 hours ago in Nanotechnology