Phys.org news

Dialog / Scientists advance multi-purpose photocatalyst for clean hydrogen production and agricultural pollutant degradation

Can we use nothing more than sunlight and inexpensive materials to produce clean hydrogen fuel while also removing toxic pollutants from water? That question shaped our recent work with γ-In2S3, a semiconductor that has ...

45 minutes ago in Chemistry
Phys.org / Biofilm made from fish skin could be a sustainable alternative for food packaging

Using the skin of an Amazonian fish known as tambatinga as the raw material, researchers at the University of São Paulo (USP) and EMBRAPA Pecuária Sudeste—a decentralized unit of the Brazilian Agricultural Research Corporation ...

5 minutes ago in Chemistry
Phys.org / Stellar remnants may solve mystery of missing mass in galaxy clusters

Under the leadership of the University of Bonn, a research team led by Prof. Dr. Pavel Kroupa from the Helmholtz Institute for Radiation and Nuclear Physics has discovered that galaxy clusters are about twice as heavy as ...

25 minutes ago in Astronomy & Space
Phys.org / The future of eco-friendly cooling: Enhancing efficiency and sustainability of magnetic refrigerants

Conventional air conditioners and refrigerators rely on vapor-compression cycles and chemical refrigerants that contribute significantly to global warming. Magnetic refrigeration offers a cleaner alternative using the magnetocaloric ...

1 hour ago in Chemistry
Phys.org / Microfluidic method boosts control and separation of tiny particles—a promising tool for medical research

In nanoscale particle research, precise control and separation have long been a bottleneck in biotechnology. Researchers at the University of Oulu have now developed a new method that improves particle separation and purification. ...

1 hour ago in Nanotechnology
Phys.org / Building blocks of life discovered in Bennu asteroid rewrite origin story

Amino acids, the building blocks necessary for life, were previously found in samples of 4.6-billion-year-old rocks from an asteroid called Bennu, delivered to Earth in 2023 by NASA's OSIRIS-REx mission. How those amino acids—the ...

3 hours ago in Astronomy & Space
Phys.org / Laser‑written glass chip pushes quantum communication toward practical deployment

As quantum computers continue to advance, many of today's encryption systems face the risk of becoming obsolete. A powerful alternative—quantum cryptography—offers security based on the laws of physics instead of computational ...

1 hour ago in Physics
Phys.org / When water meets rock: Exploring water quality impacts from legacy lithium mining in North Carolina

Starting just outside Charlotte, North Carolina, a vast underground deposit of lithium stretches south for 25 miles. A key component of rechargeable batteries and energy grid storage systems, the soft, silvery metal is a ...

1 hour ago in Earth
Phys.org / Intense sunlight reduces plant diversity and biomass across global grasslands, study finds

The sun is the basis for photosynthesis, but not all plants thrive in strong sunlight. Strong sunlight constrains plant diversity and plant biomass in the world's grasslands, a new study shows. Temperature, precipitation, ...

1 hour ago in Biology
Phys.org / Supercomputer simulations test turbulence theories at record 35 trillion grid points

Using the Frontier supercomputer at the Department of Energy's Oak Ridge National Laboratory, researchers from the Georgia Institute of Technology have performed the largest direct numerical simulation (DNS) of turbulence ...

1 hour ago in Physics
Phys.org / Glaciers in retreat: Uncovering tourism's contradictions

As glaciers around the world melt at unprecedented rates, tourism in these icy landscapes is booming, adding pressure to vulnerable regions and disrupting delicate ecosystems. A collective effort, led by UNIL and published ...

1 hour ago in Earth
Phys.org / Bee bandits: How a yeast influences nectar-robbing behavior in bumble bees

From fundamental biological units as tiny as genes to complex societies, ecological systems rely on cooperation. All manner of organisms can benefit from working together to survive in a dog-eat-dog world. "Mutualism is a ...

1 hour ago in Biology