Phys.org news

Phys.org / Chance discovery converts toxic nitric oxide into nitrogen gas at room temperature

Nitrogen is a crucial component of proteins and nucleic acids, the fundamental building blocks of all living things, and thus is essential to life on Earth. Gaseous N2 from the atmosphere can be fixed by soil bacteria capable ...

Dec 2, 2025 in Chemistry
Phys.org / Shapeshifting gates guard the cell nucleus, challenging old ideas

An international study led by the University of Basel has discovered that nuclear pore complexes—tiny gateways in the nuclear membrane—are not rigid or gel-like as once thought. Their interiors are dynamically organized, ...

Dec 2, 2025 in Biology
Phys.org / Scientists advance quantum signaling with twisted light technology

A tiny device that entangles light and electrons without super-cooling could revolutionize quantum tech in cryptography, computing, and AI.

Dec 2, 2025 in Physics
Phys.org / Optical clock sets new accuracy record, bringing us closer to a new definition of the second

A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium single-ion clock with exceptionally low uncertainty and high uptime.

Dec 2, 2025 in Physics
Phys.org / Smart hydrogels act as 'micromachines' to squeeze and study living cells

Within tissues, cells are embedded in complex, three-dimensional structures known as the extracellular matrix. Their biomechanical interactions play a crucial role in numerous biological processes. Scientists at the Max Planck ...

Dec 2, 2025 in Biology
Phys.org / Zapping stem cells could boost growth of new tissues and organs

Scientists in Melbourne have discovered how tiny electrical pulses can steer stem cells as they grow, opening the door to new improved ways of creating new tissues, organs, nerves and bones.

Dec 2, 2025 in Biology
Phys.org / Tracking forever chemicals across food web shows not all isomers are distributed equally

When University at Buffalo chemists analyzed samples of water, fish, and bird eggs, they weren't surprised to find plenty of per- and polyfluoroalkyl substances (PFAS). After all, these "forever chemicals" turn up nearly ...

Dec 2, 2025 in Chemistry
Phys.org / Emissions from global wildfires far higher than previously thought

The total emissions of greenhouse gases and airborne particles caused by wildfires are almost 70% higher than previously assumed. Researchers at Wageningen University & Research discovered this in a long-term study conducted ...

Dec 2, 2025 in Earth
Phys.org / Spaceflight-tested menstrual cup offers choice on long missions

Eating from pouches, sleeping in a bag tied to the wall, using a vacuum-powered toilet: Basic processes of human life require scientifically tested solutions in space. It's the same for menstruation, a process female astronauts ...

Dec 2, 2025 in Astronomy & Space
Phys.org / Plant 'first responder' cells warn neighbors about bacterial pathogens

Purdue University researchers found that a subset of epidermal cells in plant leaves serves as early responders to chemical cues from bacterial pathogens and communicate this information to neighbors through a local traveling ...

Dec 2, 2025 in Biology
Phys.org / Discovery of new marine sponges supports hypothesis on animal evolution

A completely new order of marine sponges has been found by researchers at the Museum of Evolution, Uppsala University. The sponge order, named Vilesida, produces substances that could be used in drug development. The same ...

Dec 2, 2025 in Biology
Phys.org / When Americans migrate from violent states, the risk of future violence follows them

Americans who grow up in historically violent states may move to a safer state, but they remain far more likely to die violently, according to new research co-authored at the University of California, Berkeley.

Dec 2, 2025 in Other Sciences