Phys.org news

Phys.org / Cells have a secret power line: How the nucleus gets its own private energy supply from mitochondria

For decades, biologists assumed a cell's energy simply diffused to wherever it was needed. It turns out the most important destination of all has a private delivery line.

5 hours ago
Phys.org / Fossil discovery shows the interaction between giant marine reptiles

Approximately 160 million years ago, during the Age of Dinosaurs, giant marine reptiles ruled the seas. One such creature, an ichthyosaur, swam in a sea near present-day Peterborough, England. This huge animal, shaped like ...

12 hours ago
Phys.org / Ancient genome duplications laid the foundations of complex brains, research suggests

New findings, published in Nature, help answer the riddle of how vertebrates evolved the diverse array of brain cells that distinguishes them from other animals. It appears that a dramatic expansion of the genetic toolkit ...

11 hours ago
Phys.org / Galaxy-killing wind discovered in the early universe

Astronomers have discovered a "galaxy-killing wind" that may explain why there are far more massive "dead" galaxies than expected in the early universe. This wind, powered by cosmic collisions between galaxies, could quickly ...

13 hours ago
Phys.org / How Argonaute, a key protein for RNA therapeutics, becomes activated

RNA therapeutics have emerged as one of the most promising new classes of medicines. Eight small interfering RNA (siRNA) drugs have already been approved worldwide for the treatment of genetic diseases, yet scientists have ...

11 hours ago
Phys.org / Borneo's ferret badger is found nowhere else on Earth

A collaborative study has provided the most comprehensive assessment to date of the endangered Bornean ferret badger (Melogale everetti). Weighing only around one kilogram (2.2 pounds), the Bornean ferret badger is a small, ...

5 hours ago
Phys.org / Acidic nanoparticles target Parkinson's at cellular source

Inside every human cell, a tiny structure called a lysosome acts like a recycling center, breaking down toxic waste, clearing damaged proteins and helping keep the cell functioning properly. When that recycling center stops ...

11 hours ago
Phys.org / Retreating glaciers increase iceberg sightings and reshape deep-sea habitats

The number of icebergs in the Arctic has increased sharply since the 2000s. This is due to the destabilization of large glaciers in northeast Greenland and parts of the Russian Arctic, as well as the increasing mobility of ...

11 hours ago
Phys.org / Deep sea an untapped 'evolutionary engine' as dataset yields 500 million unique genes

The deep sea is a unique "evolutionary engine," with one of the richest and most unexplored sources of genetic diversity on Earth, according to a major new study that assessed its potential to transform biotechnology and ...

11 hours ago
Phys.org / X-rays reveal how platinum oxidizes in real time inside hydrogen devices

Electrolysers produce hydrogen. Fuel cells, in turn, generate electricity from hydrogen. Both technologies are considered key building blocks of the energy transition, offering well-established solutions for storing, transporting ...

5 hours ago
Phys.org / Radar data can help protect birds from wind turbines

Wind turbines generate climate-friendly electricity, but they can pose a danger to migratory birds. A study led by the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) published in Nature Sustainability ...

13 hours ago
Phys.org / Stretchy, soft, and sticky: Advancing the next generation of wearable and implantable sensors

Wearable and implantable biosensors have the potential to revolutionize health care by diagnosing, monitoring, and even treating a wide range of health conditions. Recent innovations in the lab of Wei Gao, professor of medical ...

17 hours ago