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Medical Xpress / Cardiorespiratory fitness may cut dementia, depression and psychosis risk

Many studies carried out over the past decades have explored the relationship between mental and physical health, showing that the two are often interlinked. One well-established indicator of overall physical health is cardiorespiratory ...

Apr 19, 2026
Phys.org / The edge of the Milky Way's star-forming disk revealed

How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an international team of astronomers has identified the ...

Apr 21, 2026
Phys.org / More effective, longer-lasting sunscreen made from natural extracts

Scientists from the Laboratory of Dermatological Photobiology of the University of Malaga, in collaboration with Cantabria Labs España, have carried out a study in which, for the first time, they have demonstrated how a natural ...

Apr 21, 2026
Phys.org / Half of America sits in democratic limbo—and that silent middle may decide what breaks next

If you were to ask democracy scholars what they consider the greatest threat to American democracy, you might assume it is voters who support undemocratic practices or policies. But the real answer may surprise you: These ...

Apr 21, 2026
Phys.org / Water to surge into drought-depleted Lake Powell but at costs elsewhere

Canyons in eastern Utah will churn this spring with huge volumes of water—as much as 50,000 toilets flushing constantly at the same time—in a desperate attempt to maintain electricity generation for thousands of homes across ...

Apr 22, 2026
Tech Xplore / Perovskite solar cells reach 26.61% certified efficiency with cesium-doping strategy

Solar cells, devices that convert sunlight into electricity, are now widely used in many countries. While most existing solar cells are based on silicon, energy engineers have been working on other devices made of so-called ...

Apr 18, 2026
Phys.org / Cell membranes may store memories after electrical stimulation

The science of memories has been pursued and studied since the days of ancient Greece and Aristotle. Today, research conducted by Dima Bolmatov, assistant professor in the Department of Physics & Astronomy at Texas Tech University, ...

Apr 21, 2026
Phys.org / Deep-rooted grass stores significantly more carbon, says new study

Soil biologist Eric Slessarev has some advice for conservationists, landscapers, and farmers with fallow fields: Go touch deep-rooted grass. Or better yet, go plant some. Slessarev, an assistant professor of ecology and evolutionary ...

Apr 21, 2026
Phys.org / Crabs' iconic sideways walk evolved from common ancestor, study suggests

Researchers have provided new insights into the evolutionary origin of sideways walking in crabs. Their study, published today as a Reviewed Preprint in eLife, presents the largest comparative dataset on crab locomotion to ...

Apr 21, 2026
Phys.org / Assessing the impact of golf courses on water scarcity in the Colorado River Basin

In 2023, University of Delaware doctoral candidate Mehrnaz Haghdadi and doctoral student Nora Lucas headed to the Colorado River Basin to conduct fieldwork for Haghdadi's research focused on indigenous water sovereignty.

Apr 22, 2026
Phys.org / Astronomers precisely date rare brown dwarf companion, offering new test for how these objects cool

Astronomers at the University of Hawaiʻi have precisely measured the age of a nearby sun-like star and its unusual companion, known as a brown dwarf, an object that falls between a planet and a star. The discovery offers ...

Apr 21, 2026
Medical Xpress / Robust flu protection may rely on B cells that are long-lived residents in the lungs

Deep in the lungs, resident memory B cells stand guard against influenza reinfection—but whether they remain there may depend on how strongly they are signaled through their own receptors. New research using an animal model ...

Apr 19, 2026