Phys.org news

Phys.org / Electric discharges detected on Mars for the first time

On Mars, winds constantly stir up whirlwinds of fine dust. It was at the center of two of these dust devils that the SuperCam instrument's microphone, the first ever to operate on Mars, accidentally recorded particularly ...

Nov 26, 2025 in Astronomy & Space
Phys.org / OLEDs can now switch light's handedness with an electrical signal

Researchers from the University of Oxford have for the first time discovered an approach to electrically switch organic LEDs (OLEDs) to emit either left- or right-handed circularly polarized light without changing the light-emitting ...

Nov 26, 2025 in Physics
Phys.org / Mini-fridges on a nanoscale? New cooling technique could make computer chips more powerful

As more devices get piled onto computer chips to increase processing power capacity, heat generation becomes increasingly concentrated. This heat must be removed to keep chip performance high, but is currently achieved by ...

Nov 26, 2025 in Nanotechnology
Phys.org / Novel mRNA therapy curbs antibiotic-resistant infections in preclinical lung models

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have reported early success with a novel mRNA-based therapy designed to combat antibiotic-resistant bacteria.

Nov 26, 2025 in Nanotechnology
Phys.org / The collapse of Maya civilization: Drought doesn't explain everything

Between 750 and 900 CE, the population of the Maya lowlands in Central America experienced a major demographic and political decline which, according to the scientific literature, coincided with repeated episodes of intense ...

Nov 26, 2025 in Other Sciences
Phys.org / Brain's GPS hasn't changed in millions of years: Specialized neurons may be vital to evolutionary survival

The same brain cells linked to disorientation in Alzheimer's disease have been preserved—and even slightly increased—across millions of years of evolution.

Nov 26, 2025 in Biology
Phys.org / Uncovering a new genetic code in archaea opens doors for bioengineering applications

The genetic code is the recipe for life, and provides the instructions for how to make proteins, generally using just 20 amino acids. But certain groups of microbes have an expanded genetic code, in which one or two additional ...

Nov 26, 2025 in Biology
Phys.org / Ancient hominin fossils reveal two human ancestors lived side by side

With the help of newly identified bones, an enigmatic 3.4-million-year-old hominin foot found in 2009, is assigned to a species different from that of the famous fossil Lucy providing further proof that two ancient species ...

Nov 26, 2025 in Biology
Phys.org / Ultrafast UV-C laser pulses generated and detected using 2D materials

Scientists have developed a new platform for the generation and detection of ultrashort UV-C laser pulses on femtosecond timescales. This breakthrough could unlock new opportunities for transforming optical wireless communication ...

Nov 26, 2025 in Physics
Phys.org / Corral technique measures fragile quantum states in magnet-superconductor hybrids from afar

Hybrid materials made of magnets and superconductors give rise to fascinating quantum phenomena, which are so sensitive that it is crucial to measure them with minimal interference. Researchers at the University of Hamburg ...

Nov 26, 2025 in Physics
Phys.org / Plants use engineering principles to push through hard soil

Across the globe, soil compaction is becoming an ever more serious challenge. Heavy vehicles and machinery in modern agriculture compress the soil to such an extent that crops struggle to grow. In many regions, the problem ...

Nov 26, 2025 in Biology
Phys.org / Public trust in science eroded by UN climate change language, study suggests

The United Nations' climate change body may unintentionally be eroding public trust in science because of the way it communicates risk, new University of Essex research shows.

Nov 26, 2025 in Earth