Phys.org news

Phys.org / Volcanic ash as a source of nutrients: How the Hunga Tonga eruption affected ecosystems in the South Pacific

The eruption of Hunga Tonga-Hunga Ha'apai (HTHH) in January 2022 ejected about 2.9 billion tons of volcanic material into the atmosphere and across the South Pacific. In early 2022, a scientific expedition (GEOTRACES GP21) ...

12 hours ago in Earth
Phys.org / Controlling skyrmions at room-temperature in 2D topological spin structure technology

The Korea Research Institute of Standards and Science (KRISS) has, for the first time in the world, generated and controlled skyrmions at room temperature in two-dimensional (2D) materials. This achievement reduces power ...

12 hours ago in Physics
Phys.org / Are these tiny insects the world's laziest bugs?

At less than 3mm long, you may not think Dunatothrips aneurae seem like much. And—as I have shown in a new study published in the Journal of Animal Ecology—you'd be absolutely right. That's because these may be the world's ...

12 hours ago in Biology
Phys.org / Multi-country study finds significant differences in how poverty is passed from parents to children

Researchers from Stockholm University, Bocconi University, and the Rockwool Foundation have studied poverty's lasting impact across generations in wealthy countries. By examining the United States, Denmark, the United Kingdom, ...

12 hours ago in Other Sciences
Phys.org / Ultrasensitive nanoscale sensors can identify lung cancer through exhaled isoprene

Exhaled breath contains chemical clues to what's going on inside the body, including diseases like lung cancer. And devising ways to sense these compounds could help doctors provide early diagnoses—and improve patients' ...

12 hours ago in Nanotechnology
Phys.org / Gamma radiation converts methane into complex organic molecules and could explain the origin of life

Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, according to a new article published in the journal Angewandte ...

13 hours ago in Chemistry
Phys.org / Hard in theory, easy in practice: Why graph isomorphism algorithms seem to be so effective

Graphs are everywhere. In discrete mathematics, they are structures that show the connections between points, much like a public transportation network. Mathematicians have long sought to develop algorithms that can compare ...

13 hours ago in Other Sciences
Phys.org / Bioinspired hydrogels harness sunlight: A step closer to artificial photosynthesis

Mimicking how plants convert sunlight into energy has long been a dream for scientists aiming to create renewable energy solutions. Artificial photosynthesis is a process that seeks to replicate nature's method, using sunlight ...

12 hours ago in Chemistry
Phys.org / Genetic repair via CRISPR can inadvertently introduce other defects, researchers show

The CRISPR molecular scissors have the potential to revolutionize the treatment of genetic diseases. This is because they can be used to correct specific defective sections of the genome. Unfortunately, however, there is ...

13 hours ago in Biology
Phys.org / Scientists use high-energy heavy ion collisions as a new tool to reveal subtleties of nuclear structure

Scientists have demonstrated a new way to use high-energy particle smashups at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy (DOE) Office of Science user facility for nuclear physics research at ...

13 hours ago in Physics
Phys.org / AI-driven mobile robots team up to tackle chemical synthesis

Researchers at the University of Liverpool have developed AI-driven mobile robots that can carry out chemical synthesis research with extraordinary efficiency.

13 hours ago in Chemistry
Phys.org / Novel nanoparticles can trap and neutralize large amounts of SARS-CoV-2

Researchers from the IBB-UAB have developed a new class of nanostructures capable of trapping and neutralizing large quantities of the SARS-CoV-2 virus particles, both in liquid solutions and on the surface of materials.

13 hours ago in Nanotechnology