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Phys.org / Genetic 'bonus material' boosts gut bacterium's oxygen tolerance up to 1,000-fold

The bacterium Segatella copri is one of the most common inhabitants of the human gut. In their latest study, researchers at the Helmholtz Centre for Infection Research (HZI) have discovered that some strains of this bacterial ...

5 hours ago
Science X / An ancient quantum machine controls our immune system—and researchers just discovered how it works

Our immune system is much older than we think. Long before dinosaurs existed, early life forms had developed a powerful defense system. Innate immunity has existed since the Cambrian period—that is, since the time when almost ...

5 hours ago
Medical Xpress / Oral small-molecule GLP-1 drugs penetrate deep into the brain to suppress cravings

A study has found that an emerging class of GLP-1 weight-loss drugs suppresses eating for pleasure, or hedonic feeding, in mice by modulating a reward circuit deep within the brain. This newly charted pathway—separate from ...

10 hours ago
Phys.org / College students are noticing their AI‑smoothed writing sounds strong—and not like them

Generative AI has become a part of everyday student life in Canada. While institutions focus on misconduct and detection, a deeper shift is happening, one that concerns identity.

3 hours ago
Medical Xpress / New research could reshape how future NHS treatments are evaluated

Researchers from the University of Sheffield are leading work that will significantly influence how health care treatments are assessed and approved across the UK. The researchers, based at the Sheffield Center for Health ...

3 hours ago
Phys.org / A new kind of CRISPR could treat viral infection and cancer by shredding sick cells' DNA

A new kind of CRISPR that destroys cells rather than gene editing them has shown potential for killing sick cells while leaving healthy cells untouched. The technology has largely been tested in cells in a dish, but if it ...

11 hours ago
Phys.org / Federal grant terminations disproportionately impact minority scientists, study finds

Researchers from University of California San Diego Herbert Wertheim School of Public Health and Human Longevity Science have found that recent federal grant terminations targeting research on health equity and gender identity ...

10 hours ago
Phys.org / Hologram technology where 'light becomes the key' enables hard-to-copy security

A new type of hologram technology has been developed that uses the motion of light as a key, revealing information only under specific conditions. This is gaining attention as a novel approach that can simultaneously overcome ...

13 hours ago
Phys.org / Landsat 9 captures Russia's restless Shiveluch volcano mid-eruption

Near-constant activity continues on the volcano in Russia. Shivelyuch (also called Shiveluch), the most northerly active volcano on the Kamchatka Peninsula, is one of the most active volcanoes in the world. On a near-daily ...

12 hours ago
Phys.org / Cool beans, smart roots: Special cell helps seedlings survive drought battered and nutrient poor soils

Researchers have identified a previously unknown cell type hidden on the roots of common beans, a microscopic survival mechanism that could inform the development of more climate-resilient crops and reduce fertilizer dependence.

5 hours ago
Phys.org / Dark proteome yields 1,785 new microproteins that could reshape disease research

Scientists have uncovered more than 1,700 new proteins that could have implications for human diseases, including cancer. Mostly very small, these proteins were found in what's called the "dark proteome," which covers gene ...

11 hours ago
Medical Xpress / Testosterone suppresses brain tumor growth in males, study suggests

In a new study, scientists at Cleveland Clinic discovered that hormones associated with male development may play a key role in limiting the growth of brain tumors in men. The research team found that the loss of androgen ...

11 hours ago