Phys.org news

Phys.org / Mitochondria migrate toward the cell membrane in response to high glucose levels, study shows

Unlike our organs, cell organelles such as mitochondria are not fixed in place, but when, where, how, and why organelles move remain unclear. Research published in the Biophysical Journal shows that when beta cells—the ...

4 hours ago in Biology
Phys.org / Tiny viral 'switch' offers hope against drug-resistant bacteria

As antibiotic-resistant infections rise and are projected to cause up to 10 million deaths per year by 2050, scientists are looking to bacteriophages, viruses that infect bacteria, as an alternative.

4 hours ago in Biology
Phys.org / Gaia finds hints of planets in baby star systems

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space telescope, we're getting a unique peek behind the cosmic curtain into these dusty environments.

4 hours ago in Astronomy & Space
Phys.org / Light-controlled cholesterol 'look-alikes' point toward smarter drug delivery

High levels of cholesterol are linked to heart disease, stroke, and many other health problems. However, this complex and vital fatty, water insoluble molecule—a lipid—is found in every cell of the body and is not all ...

4 hours ago in Chemistry
Phys.org / Enzyme shape-shifting captured in real time during catalysis

Researchers have captured real-time "molecular movies" showing how an enzyme changes shape during catalysis. The study was published in Nature Communications.

5 hours ago in Chemistry
Phys.org / 8th-century glass reveals earliest history of Venetian glassmaking

When we think of Venetian glass, our minds leap to the blazing furnaces of Murano, to delicate filigree and the vivid colors of the Renaissance. This iconic and universally recognized image tells only part of the story. For ...

5 hours ago in Other Sciences
Phys.org / Elegant solution for measuring ultrashort laser pulses discovered

Ultrashort laser pulses—that are shorter than a millionth of a millionth of a second—have transformed fundamental science, engineering and medicine. Despite this, their ultrashort duration has made them elusive and difficult ...

5 hours ago in Physics
Phys.org / DNA caught on old air filters reveals hidden past of ecosystems

DNA captured on air filters and stored since the 1960s acts as an ecological time capsule, according to a recent publication in Nature Communications. The findings show that tiny fragments of genetic material can paint a ...

5 hours ago in Biology
Phys.org / Interpretable neural networks help reveal the nature of dark matter

A research team from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences has developed an interpretable artificial intelligence (AI) framework named Convolutional Kolmogorov–Arnold Network (CKAN), ...

5 hours ago in Astronomy & Space
Phys.org / Beachy Head Woman's origin story: DNA analysis reveals she was local to southern Britain

The identity of a Roman-era individual found in southern England has finally been resolved after scientists at the Natural History Museum were able to sequence high quality DNA from her skeletal remains.

23 hours ago in Other Sciences
Phys.org / Prehistoric elephant footprints documented for first time in Murcia's fossil dunes

An international team, involving researchers from the University of Seville, the Andalusian Institute of Earth Sciences in Granada and the University of Huelva, has identified the first fossilized vertebrate footprints from ...

20 hours ago in Biology
Phys.org / Perseverance Mars rover ready to roll for miles in years ahead

After nearly five years on Mars, NASA's Perseverance rover has traveled almost 25 miles (40 kilometers), and the mission team has been busy testing the rover's durability and gathering new science findings on the way to a ...

23 hours ago in Astronomy & Space