Phys.org news

Phys.org / How bacteria use acetyl coenzyme as a building block in the formation of cells

Researchers at the University of Greifswald have discovered a new mechanism by which bacteria such as Bacillus subtilis can regulate the production of the central metabolic molecule acetyl coenzyme A (Acetyl-CoA). Acetyl-CoA, ...

19 hours ago
Phys.org / Even weak ocean models can provide valuable information for environmental forecasts, study shows

Oxygen depletion in the western Baltic Sea is not uncommon. Oxygen-poor conditions regularly occur in deeper waters, placing stress on marine ecosystems and, in extreme cases, causing fish kills. As ocean temperatures continue ...

18 hours ago
Phys.org / Organic molecule with ultranarrow emission spectrum could lead to better LEDs

Over the past several decades, light sources have gradually transitioned to light-emitting diodes, or LEDs, and inorganic LEDs are now used across a wide range of applications. In parallel, organic LEDs, or OLEDs, have become ...

21 hours ago
Phys.org / Overlooked pollutants are responsible for about 15% of current global warming, study shows

In a new paper published in Science, leading scientists and climate policy experts show that 15% of current global warming (0.3°C) from human emissions stems from pollutants that fall outside most existing climate policy ...

21 hours ago
Phys.org / Salmonella genomes reveal 45 previously unknown toxins in foodborne bacteria

Researchers at the University of São Paulo (USP) in Brazil have discovered 45 new toxins produced by Salmonella bacteria, some of which are associated with foodborne infections. The study was conducted at the Center for Research ...

20 hours ago
Phys.org / Prescribed fires can cut smoke pollution for years, miles beyond burn areas

A new study finds that burning 500,000 acres (202,000 hectares) of California conifer forests each year with prescribed fire could cut deadly pollution from wildfire smoke by roughly 10% over a decade.

21 hours ago
Phys.org / Chemists snap together complex 3D molecules from highly reactive 'radicals'—without losing their shape

Building the complex 3D molecules needed for new medicines has always been a bit like assembling a puzzle with pieces that keep trying to flip over. Now, chemists at Scripps Research have found a way to snap two such molecular ...

20 hours ago
Phys.org / Forest gaps and deadwood boost bird and bat diversity in woodlands

Disorder brings more life to the forest: Birds and bats react to this in different ways. This is shown by a new study from the University of Würzburg's Biocenter.

21 hours ago
Phys.org / Cyclone Gabrielle-style storms may unleash tens of thousands more North Island landslides

In 2023, Cyclone Gabrielle triggered an estimated 800,000 landslides across the North Island, making it one of the most extreme landslide events ever recorded. New research by Te Whare Wānanga o Waitaha | University of Canterbury ...

21 hours ago
Phys.org / Ocean glow meets 3D printing with living gels that sense mechanical force

The integration of biological organisms into synthetic structures offers a radical new pathway for developing intelligent, self-powered materials. Researchers have pioneered an innovative approach to biomanufacturing by using ...

23 hours ago
Phys.org / Why shame is an evolution-based defense mechanism

It is unpleasant, strange and often comes as a surprise: shame. But why do we feel it? An international study has shed new light on the emotion of shame, which has long been considered harmful. The conclusion: Shame is not ...

Jun 11, 2026
Phys.org / Why animal calls sound alike in time: Most species share a common communication tempo

From insects to great apes, by way of birds and fish, animals communicate through an extraordinary variety of sounds. While the pitch or timbre of their vocalizations matters, rhythm may play a more fundamental role. Scientists ...

22 hours ago