Phys.org news

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 / Urban sprawl could deny 220 million people access to clean water by 2050

A new study analyzing more than 100 cities across Asia, Africa, and Latin America has quantified the stark consequences of urban sprawl on water and sanitation access, finding that how cities grow might determine whether ...

Dec 2, 2025 in Earth
Phys.org / X-ray laser offers new look at protein movement inside cells

At European XFEL, researchers have observed in detail how the vital iron protein ferritin makes its way in highly dense environments—with implications for medicine and nanotechnology.

Dec 2, 2025 in Biology
Phys.org / Define your dating goals: Study shows clarity is key to dating satisfaction

Single people who date without a clear understanding of what they are looking for in a relationship experience more loneliness and decreased life satisfaction, McGill researchers have found.

Dec 2, 2025 in Other Sciences
Phys.org / Crop pests can develop 'fighter-jet wings' after eating specific mix of corn

Eating a blend of non-toxic corn and genetically modified toxic corn can result in corn earworm pests (Helicoverpa zea) developing longer, more narrow and more tapered wings—shaped like the wings of a fighter jet—that ...

Dec 2, 2025 in Biology
Phys.org / Newly discovered viral enzymes act like molecular scissors to disable immune alarm signals

Viruses and their hosts—whether bacteria, animals, or humans—are locked in a constant evolutionary arms race. Cells evolve defenses against viral infection, viruses evolve ways around those defenses, and the cycle continues.

Dec 2, 2025 in Biology
Phys.org / Studies reevaluate reverse weathering process, shifting understanding of global climate

Two new publications remap the understanding of reverse weathering in the scientific community. The Dauphin Island Sea Lab's Senior Marine Scientist, Dr. Jeffrey Krause, played a key role in both projects, which include several ...

Dec 2, 2025 in Earth
Phys.org / Adjustable DNA 'shield' can control timing and rate at which mRNA produces proteins in vivo

mRNA, widely known from the COVID-19 vaccine, is not actually a "therapeutic agent," but a technology that delivers the blueprint for functional proteins in the body and induces therapeutic effects. Recently, its application ...

Dec 2, 2025 in Biology
Phys.org / Sun-watcher SOHO celebrates 30 years

On 2 December 1995, the ESA/NASA Solar and Heliospheric Observatory (SOHO) blasted into space—on what was supposed to be a two-year mission.

Dec 2, 2025 in Astronomy & Space
Phys.org / Quantitative ATP imaging can measure cellular energy in real time

Researchers at the Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, have developed a method for quantitative imaging of ATP levels inside living cells. The study, published in Nature Communications, introduces ...

Dec 2, 2025 in Biology
Phys.org / Bat 'besties' start to sound alike over time, study finds

Ever suddenly realize you had picked up certain words or ways of speaking from a close friend? It turns out that humans are far from the only animals who copy the sounds of their closest companions—a new study shows that ...

Dec 2, 2025 in Biology
Phys.org / Genome advancement puts better Wagyu marbling on the menu

Researchers from the University of Adelaide's Davies Livestock Research Center (DLRC) have described the most complete cattle genome yet, in a study that will lead to improvements in Wagyu breeding and result in better beef ...

Dec 2, 2025 in Biology