Phys.org news

Phys.org / A direct leap into terahertz: Dirac materials enable efficient signal conversion at room temperature

Highspeed Internet, autonomous driving, the Internet of Things: data streams are proliferating at enormous speed. But classic radio technology is reaching its limits: the higher the data rate, the faster the signals need ...

Dec 4, 2025 in Physics
Phys.org / How cells change their minds and save their work in progress

All cells need to sense and respond to their environment, to know when to activate genes, build proteins, and carry out their basic functions. One of the most well-studied cellular responses is how they react during times ...

Dec 4, 2025 in Biology
Phys.org / Frequent flares from TRAPPIST-1 could impact habitability of nearby planets

Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation Aquarius about 40 light-years from Earth, spits out bursts of energy known as "flares" about six ...

Dec 4, 2025 in Astronomy & Space
Phys.org / Sargasso Sea shift reveals dramatic decline in some historic seaweed populations

A study led by researchers at the University of South Florida's College of Marine Science has found that certain populations of the seaweed sargassum have experienced a significant decline over the past decade, even as increased ...

Dec 4, 2025 in Earth
Phys.org / High-energy-density barocaloric material could enable smaller, lighter solid-state cooling devices

A collaborative research team from the Institute of Solid State Physics, the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, has discovered a high-energy-density barocaloric effect in the plastic ...

Dec 4, 2025 in Physics
Phys.org / Iron-based magnetic material achieves major reduction in core loss

A research team from NIMS, Tohoku University and AIST has developed a new technique for controlling the nanostructures and magnetic domain structures of iron-based soft amorphous ribbons, achieving more than a 50% reduction ...

Dec 4, 2025 in Physics
Phys.org / K'gari's world famous lakes could be at risk of drying

K'gari is the world's largest sand island and known for its world-famous lakes, but research from the University of Adelaide has discovered its largest lakes could be vulnerable to drying.

Dec 4, 2025 in Earth
Phys.org / Chlorine and potassium found in supernova remnant at unexpectedly high levels

"Why are we here?" is humanity's most fundamental and persistent question. Tracing the origins of the elements is a direct attempt to answer this at its deepest level. We know many elements are created inside stars and supernovae, ...

Dec 4, 2025 in Astronomy & Space
Phys.org / For the first time, researchers observe how influenza viruses infect living cells

The flu illness is triggered by influenza viruses, which enter the body through droplets and then infect cells. Researchers from Switzerland and Japan have now investigated the flu virus in minute detail.

Dec 4, 2025 in Biology
Phys.org / First discoveries from new Subaru Telescope program reveal massive planet and brown dwarf

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars. The discoveries are the first results from OASIS (Observing Accelerators with SCExAO Imaging Survey), ...

Dec 4, 2025 in Astronomy & Space
Phys.org / Atomic switches bring molecular electronics closer to reality

Silver-based atomic switches that create stable electrical connections between individual molecules and electrodes have been developed by researchers from Japan, addressing a key challenge in wiring molecular electronics. ...

Dec 4, 2025 in Nanotechnology
Phys.org / Young mountain lions face barriers from roads and development across California

Previous research set off alarm bells by showing that mountain lion populations across California are more different genetically than normal for a wide-roaming predator. New findings published in Frontiers in Ecology and ...

Dec 4, 2025 in Biology