All News

Medical Xpress / Your gut's railway switch: How the 'second brain' decides between attack and repair

Beneath the surface of your gut lies a vast network of neurons—as many as in your spinal cord. New research from the Champalimaud Foundation (CF) in Lisbon shows that in mice this "second brain" helps decide whether the ...

Nov 24, 2025 in Immunology
Medical Xpress / Doctors still outperform AI in clinical reasoning, study shows

AI may ace multiple-choice medical exams, but it still stumbles when faced with changing clinical information, according to research in the New England Journal of Medicine.

Nov 24, 2025 in Medical research
Medical Xpress / Epigenetic changes regulate gene expression, but what regulates epigenetics?

All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics—meticulously placed chemical tags that influence which genes are expressed in each cell. Mistakes or ...

Nov 23, 2025 in Genetics
Medical Xpress / 'Mental model' approach can reduce misconceptions about mRNA vaccination

In two experiments, researchers have found that introducing people to "mental models" about how mRNA vaccination works and how the body protects itself from foreign DNA can preemptively or reactively protect against misconceptions ...

Nov 24, 2025 in Health
Phys.org / Colleges teach the most valuable career skills when they don't stick narrowly to preprofessional education

Across state legislatures and in Congress, debates are intensifying about the value of funding certain college degree programs—and higher education, more broadly.

Nov 25, 2025 in Other Sciences
Phys.org / COP30: Petrostates block climate deal once again, but some countries are taking their own steps

The latest United Nations climate summit (COP30) was held between 10 and 21 November in Belém, Brazil. Although the event did not end with any significant progress toward the goals of mitigating global warming or advancing ...

Nov 26, 2025 in Earth
Phys.org / Fern stems reveal secrets of evolution: How constraints in development can lead to new forms

There are few forms of the botanical world as readily identifiable as fern leaves. These often large, lacy fronds lend themselves nicely to watercolor paintings and tricep tattoos alike. Thoreau said it best: "Nature made ...

Nov 25, 2025 in Biology
Phys.org / Malaria parasites move along right-handed helices to navigate host tissues, research reveals

With victims numbering in the millions, malaria is an infectious disease caused by the bite of a mosquito carrying the malaria parasite. After penetrating the skin, the pathogen moves with helical trajectories. It almost ...

Nov 24, 2025 in Biology
Medical Xpress / AI learns from the tree of life to support rare disease diagnosis

Researchers have created an artificial intelligence model that can identify which mutations in human proteins are most likely to cause disease, even when those mutations have never been seen before in any person.

Nov 24, 2025 in Genetics
Phys.org / The gender pay gap looks different depending where you are on the income ladder

Despite decades of progress, the gender pay gap remains a persistent feature of the UK labor market. According to women's rights charity the Fawcett Society, November 22 marked Equal Pay Day 2025—the day when women effectively ...

Nov 25, 2025 in Other Sciences
Phys.org / Floods in Thailand, Malaysia kill over 30, displace thousands

Tens of thousands of people in Thailand and neighboring Malaysia were displaced by widespread flooding, with streets submerged, homes inundated and at least 34 dead, officials said Wednesday.

Nov 26, 2025 in Earth
Medical Xpress / Sequencing method can analyze millions of T cells at a fraction of the cost

Studying T cells, the immune cells most responsible for responding to infections and cancers, just received a significant boost in the form of a new technique from St. Jude Children's Research Hospital. While T-cell analysis ...

Nov 24, 2025 in Immunology