Phys.org news

Phys.org / Pressing pause: A small genetic stop may have helped complex life evolve

Humans have it. So does Drosophila. But not yeast. That "it" is a small pause at the start of gene activity—a brief molecular halt that may have helped life evolve from simple cells to complex animals.

Dec 19, 2025 in Biology
Phys.org / The levers for a sustainable food system to combat global warming

A large-scale model study now shows how the global food system can contribute to the fight against global warming. It identifies 23 levers, calculates their effectiveness and concludes: a decisive transformation of this sector ...

Dec 19, 2025 in Earth
Phys.org / Laser-engineered nanowire networks could unlock new material manufacturing

A breakthrough development in nanofabrication could help support the development of new wireless, flexible, high-performance transparent electronic devices.

Dec 19, 2025 in Nanotechnology
Phys.org / Exploring the connection between gene expression and aging

Northwestern Medicine scientists have discovered how molecular "traffic controllers" in cells influence aging and cellular senescence—a state where cells stop dividing but remain metabolically active. The study, published ...

Dec 19, 2025 in Biology
Phys.org / Electricity-driven nitrogen insertion enables sustainable heterocycle synthesis

Researchers from the National University of Singapore (NUS) have developed an electrochemical reaction manifold that promotes efficient nitrogen atom insertion into saturated carbocycles to access either functionalized quinolines ...

Dec 19, 2025 in Chemistry
Phys.org / CO₂-driven method rapidly creates complex nanomaterials at room temperature

A team of researchers at UNIST, in collaboration with the University of Cologne and Purdue University, has unveiled a rapid, sustainable method to create complex nanomaterials containing up to 30 different metals in just ...

Dec 19, 2025 in Nanotechnology
Phys.org / Merging nanopores with nanofluidic devices could transform medicine and diagnostics

When disease begins forming inside the human body, something subtle happens long before symptoms appear. Individual molecules such as DNA, RNA, peptides, or proteins begin shifting in quantity or shape. Detecting these tiny ...

Dec 19, 2025 in Nanotechnology
Phys.org / Statistical method developed for single-molecule fluorescence analysis

An interdisciplinary team of University of Tennessee, Knoxville researchers recently published in Biophysical Journal on their development of a new statistical method that improves analysis in single-molecule fluorescence ...

Dec 19, 2025 in Biology
Phys.org / How mountain building and climate change have shaped alpine biodiversity over 30 million years

In a study published in Science Advances on December 19, researchers from Xishuangbanna Tropical Botanical Garden (XTBG) of the Chinese Academy of Sciences, along with collaborators from international institutions, explored ...

Dec 19, 2025 in Biology
Phys.org / Measuring how materials hotter than the sun's surface conduct electricity

Warm dense matter is a state of matter that forms at extreme temperatures and pressures, like those found at the center of most stars and many planets, including Earth. It also plays a role in the generation of Earth's magnetic ...

Dec 19, 2025 in Physics
Phys.org / Precessing magnetic jet engine model reveals power source of rare 'heartbeat' gamma-ray burst

Prof. An Tao from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences has proposed a novel "precessing magnetic jet engine" model to explain the peculiar gamma-ray burst (GRB) 250702B, a rare cosmic ...

Dec 19, 2025 in Astronomy & Space
Phys.org / Nodding off is dangerous. Some animals have evolved extreme ways to sleep in precarious environments

Every animal with a brain needs sleep—and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

Dec 19, 2025 in Biology