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Medical Xpress / Why you move—not just how often—could affect dementia risk

For years, scientists have known that regular physical activity can help lower the risk of dementia. But new USC research suggests that it's not only the amount but also the activity's context—for work or for leisure—that ...

Aug 18, 2026
Phys.org / Interworld Slingshot: Exploring a new way to find resources in space

Before people can mine resources on the moon, asteroids or Mars, they need to answer a few key questions: What is there? How much is there? And where can it be found? A team led by SETI Institute research scientist Pablo ...

Aug 19, 2026
Phys.org / Human-related microbes may survive moon's South Pole

Some of Earth's microbes likely to hitch a ride to space with human explorers could survive in the shaded nooks and crannies of the moon's South Pole region, NASA scientists say.

Aug 19, 2026
Phys.org / The bloodsucking insect with a saw for a mouth: How the tsetse fly bites through almost anything

Tsetse flies transmit some of Africa's most persistent parasitic diseases. They have affected human health, livestock production and rural development for generations, across a region spanning millions of square kilometers ...

Aug 19, 2026
Phys.org / Does 'AI‑watermarking' mean the party is over for cheating students?

Concerns about students cheating with AI are rife in schools and universities.

Aug 19, 2026
Medical Xpress / Tsimané and Moseten peoples of lowland Bolivia demonstrate an intriguing case of epidemiological resilience

Despite widespread COVID-19 infection in the Tsimané and Moseten populations of Bolivia, the mortality rate in these remote Indigenous groups was the lowest ever recorded for any population or region.

Aug 17, 2026
Medical Xpress / Tips for treating—even preventing—osteoarthritis

When it comes to daily aches and pains, it's not uncommon for knees to be a main source. And while there can be many different long-term causes of such issues, osteoarthritis is often a reason why.

Aug 18, 2026
Phys.org / Artificial intelligence acts as an 'ideological chameleon' and may deepen political polarization

Researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, examined the ideological stance of large language models—artificial intelligence systems trained to understand and generate human ...

Aug 18, 2026
Phys.org / New photonic crystal method improves single-photon sources for quantum networks

Quantum communication promises many advantages over today's standard technologies, including absolutely secure transmission of large amounts of data. However, it requires single photons—and generating them is very difficult. ...

Aug 18, 2026
Phys.org / Centuries-old physics test could help detect millicharged particles

Theoretical physicists have long predicted the existence of millicharged particles (mCPs), hypothetical particles that carry a very small electric charge. These particles are expected to interact very weakly with ordinary ...

Aug 16, 2026
Phys.org / Shackled men in 2,600-year-old Greek mass graves were likely locals, archaeologists find

In 2016, archaeologists working at the Phaleron Burial Ground, part of the ancient Attica region, uncovered an astonishing sight: three mass graves dating to the 7th and 6th centuries BCE containing the skeletons of 79 adult ...

Aug 15, 2026
Medical Xpress / Iron transfusion before heart surgery reduces complications and boosts recovery, clinical trial finds

Giving intravenous iron to patients with anemia before heart surgery reduces the need for a red blood cell transfusion, finds a clinical trial published by The BMJ today. Intravenous iron also saved approximately 44 units ...

Aug 19, 2026