Phys.org news

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 / 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 / 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 / Newly discovered star opens 'laboratory' for solving cosmic dust mystery

Seventy light-years from Earth, a star called Kappa Tucanae A harbors one of astronomy's most perplexing mysteries: dust so hot it glows at more than 1,000 degrees Fahrenheit, existing impossibly close to its host star, where ...

Dec 2, 2025 in Astronomy & Space
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 / Ant brood signal deadly infection in altruistic self-sacrifice

Ant colonies operate as tightly coordinated "superorganisms" with individual ants working together, much like the cells of a body, to ensure their collective health. Researchers at the Institute of Science and Technology ...

Dec 2, 2025 in Biology
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 / Sounding the 6,000-year-old shell trumpets of Catalonia

Archaeologists have played shell trumpets from Neolithic Catalonia, revealing they were highly effective for long-distance communication and may have also been used as musical instruments.

Dec 2, 2025 in Other Sciences
Phys.org / Light-triggered nanoscale heating can control communication between nerve cells

Researchers at the Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, report the successful creation of artificial synaptic vesicles that can be remotely controlled by near-infrared (NIR) light. By embedding ...

Dec 2, 2025 in Nanotechnology
Phys.org / Southern Annular Mode in most positive state in 1,000 years, review finds

A new review has revealed that the Southern Annular Mode (SAM), the Southern Hemisphere's most influential climate driver, is now in its most positive state in more than 1,000 years. If greenhouse gas emissions continue to ...

Dec 2, 2025 in Earth
Phys.org / Seeing physics as a mountain landscape for classification of nonlinear systems

Imagine standing on top of a mountain. From this vantage point, we can see picturesque valleys and majestic ridges below, and streams wind their way downhill. If a drop of rain falls somewhere on this terrain, gravity guides ...

Dec 2, 2025 in Physics
Phys.org / First fertilizer: A chemical process that may have sparked life on Earth

University of Alberta geochemists have discovered a missing piece to one of the great mysteries of science—the origin of life on Earth.

Dec 2, 2025 in Earth