Phys.org news

Phys.org / Cells under stress: How a chemotherapy drug damages RNA

The integrity of DNA and RNA is essential for every cell. DNA contains the genetic information for proteins, while RNA serves as a working copy of individual genes and is required for the synthesis of proteins. Unlike DNA ...

10 hours ago
Phys.org / No dyes, less cell stress: How mid-infrared ultrasound imaging tracks lipids live

A team at Helmholtz Munich and the Technical University of Munich (TUM) has developed a new microscopy technique that can distinguish lipid species in living cells—in particular cholesterol and sphingomyelin—and map them ...

9 hours ago
Phys.org / Quantum researchers engineer extremely precise phonon lasers

When lasers were invented in the 1960s, they opened new avenues for scientific discovery and everyday applications, from scanners at the grocery store to corrective eye surgery. Conventional lasers control photons—individual ...

12 hours ago
Phys.org / Sacrifice before the cataclysm: The aromas of Pompeii's household altars

The destruction of Pompeii preserved ash residues on the household altars of its inhabitants. An international research team has scientifically investigated for the first time what was burned in Roman incense burners from ...

15 hours ago
Phys.org / Tasmanian tiger lives on in Arnhem Land rock art

The striped dog-like marsupial we know as the Tasmanian tiger has long been surrounded by mystery, and the subject of scientific curiosity. Now, newly discovered rock art depicting Tasmanian tigers and Tasmanian devils in ...

11 hours ago
Phys.org / Limits of protein evolution could reshape ideas about early life

The number of known proteins is infinitely small in comparison to the universe of possible proteins, which could in theory be realized. Yet these known proteins are the only major training ground for future protein design. ...

11 hours ago
Phys.org / Wildlife-friendly landscapes dramatically boost biodiversity in fragmented forests, research reveals

A new study has revealed that improving the landscapes surrounding forest remnants can dramatically increase their ability to retain bird species—even when the forest fragments themselves are small or isolated. For decades, ...

11 hours ago
Phys.org / Measuring titanium in Apollo rock to uncover moon's early chemistry

Earth and the moon may look very different today, but they formed under similar conditions in space. In fact, a dominant hypothesis says that the early Earth was hit by a Mars-sized object, and it was this giant impact that ...

11 hours ago
Phys.org / Two organs, one brain area: How fish orient themselves in the water

Using zebrafish, researchers from Osaka Metropolitan University (OMU) have identified the tegmentum region in the fish midbrain as the area where light input from both the fish's eyes and the pineal organ—the "third eye"—is ...

11 hours ago
Phys.org / Thawing permafrost becomes 25 to 100 times more permeable, experiments find

Experiments by University of Leeds researchers, published in Earth's Future, have shown that thawing of permafrost makes it between 25 and 100 times more permeable, allowing more climate change forcing gases to escape.

19 hours ago
Phys.org / Soil bacteria break down toxic chemicals in the environment

Many aromatic compounds, such as phenols, cresols and styrenes, are toxic to organisms and harmful to the environment. They can accumulate as a result of industrial processes and harm ecosystems. Soil bacteria can help to ...

12 hours ago
Phys.org / Finding the 'quantum needle' in a haystack: New filtering method can isolate photons

In quantum technologies, everything depends on the ability to detect the properties carried by a single photon. But in the real world, that photon of interest is often buried in a sea of unwanted light—a true "needle in a ...

13 hours ago