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Easing constipation: A 20-minute walk can get your gut moving almost immediately
Science News

Easing constipation: A 20-minute walk can get your gut moving almost immediately

Researchers found that just 20 minutes of comfortable walking can rapidly stimulate the gut. Within one to two minutes after exercise, bowel sounds became stronger, more frequent, and lasted longer, suggesting increased intestinal movement. The boost was brief, fading within a few minutes, but it may help explain why walking can provide relief from constipation.

📅 2026-10-05 01:58:03    •    ScienceDaily
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Nanoneedle arrays map RNA in fresh tissue without sequencing or amplification
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Nanoneedle arrays map RNA in fresh tissue without sequencing or amplification

Recently, spatial omics has become a powerful tool, enabling researchers to see not only what molecules are present in a tissue, but also where they are located and how they are organized across cells, tissue structures and local microenvironments. This spatial context has deepened our understanding of cancer, neurobiology and immunology. Yet as the field advances, an important question remains: How many of these powerful technologies are ready for routine clinical use?

📅 2026-10-04 21:00:06    •    Phys.org
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Taste shapes support for climate-friendly school meals
Science News

Taste shapes support for climate-friendly school meals

Students in a new study were neither clearly positive nor negative about more climate-friendly school meals. Whether the food tasted good, was filling and felt familiar played an important role. Students were somewhat more positive about reducing the amount of meat in recipes than about having more all-vegetarian days.

📅 2026-10-04 18:40:01    •    Phys.org
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Hidden X-ray phase revealed in likely neutron star merger
Science News

Hidden X-ray phase revealed in likely neutron star merger

An international team of astronomers, including researchers from the Department of Physics and the Hong Kong Institute for Astronomy and Astrophysics (HKIAA) at The University of Hong Kong (HKU), has discovered a previously hidden phase of high-energy activity following the merger of compact stars.

📅 2026-10-04 17:00:02    •    Phys.org
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Heat-trapping gas once frozen in Arctic ground is slowly leaking and warming the planet
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Heat-trapping gas once frozen in Arctic ground is slowly leaking and warming the planet

As Ted Schuur stepped along the edges of Smith Lake, a bubble surfaced from the muck underfoot. And then another. They're bubbles of methane, a potent heat-trapping gas made from decomposing plants and animals that had once been stuck in Alaska's frigid permafrost. But that frozen ground is thawing because the Arctic is warming four times faster than the rest of the globe. For thousands of years that frozen ground stored dead plants and animals, but the accelerating thaw is allowing them to decay into methane and carbon dioxide.

📅 2026-10-04 16:20:01    •    Phys.org
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How Enceladus' ocean spray becomes chemically diverse ice grains
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How Enceladus' ocean spray becomes chemically diverse ice grains

Saturn's icy moon Enceladus hides a global ocean beneath its frozen surface. From fractures near its south pole, material from this ocean is ejected into space as a plume of water vapor and ice particles. These particles offer scientists a rare opportunity to investigate an extraterrestrial ocean without drilling through kilometers of ice.

📅 2026-10-04 16:00:01    •    Phys.org
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Inka scattered sacred coca leaves over sacrificed llamas, excavation suggests
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Inka scattered sacred coca leaves over sacrificed llamas, excavation suggests

Deep in Peru's Acarí Valley lie the ruins of Tambo Viejo, an Inka provincial center where excavations have uncovered tasseled sacrificial llamas and brightly adorned guinea pigs. But save for a few seeds and some stored leaves, evidence of how the Inka used one of their most sacred plants in rituals remained elusive. Now, archaeologists have discovered coca leaves still stuck in the wool of some sacrificed llamas.

📅 2026-10-04 13:40:01    •    Phys.org
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A meteor hit Oklahoma 100 million years later than scientists thought
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A meteor hit Oklahoma 100 million years later than scientists thought

A meteor crater buried beneath Oklahoma has turned out to be nearly 100 million years younger than scientists thought. Zircon crystals show the Ames impact occurred about 370 million years ago, meaning it was not part of the mysterious Ordovician bombardment once linked to a possible ring of debris around Earth. Instead, the impact coincided closely with a major mass extinction that devastated marine life.

📅 2026-10-04 12:41:43    •    ScienceDaily
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Scientists find a surprising clue to why the universe’s expansion doesn’t add up
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Scientists find a surprising clue to why the universe’s expansion doesn’t add up

Tiny magnetic fields created shortly after the Big Bang may help explain the long-running disagreement over how fast the universe is expanding. Detailed simulations show that these primordial fields could have changed the formation of hydrogen in the early universe, affecting the cosmic microwave background and the expansion rate inferred from it.

📅 2026-10-04 12:05:54    •    ScienceDaily
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Scientists recreate the universe's first moments and find something they didn't expect
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Scientists recreate the universe's first moments and find something they didn't expect

Physicists smashed gold nuclei together at nearly the speed of light and found an unexpected pattern in the particles these collisions sprayed out. If confirmed, that pattern could help reveal how the hot soup of quarks and gluons that filled the universe in the first few microseconds after the Big Bang cooled and condensed into the protons and neutrons that make up ordinary matter today. In every collision, particles are flung out sideways; how hard they are flung, on average, varies slightly from one collision to the next. Physicists expected the size of these variations to change smoothly as they adjusted the collision energy. Instead, the variations dipped, shrinking and then growing aga...

📅 2026-10-04 12:00:00    •    Live Science
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Your gut bacteria may reveal how fast your brain is aging
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Your gut bacteria may reveal how fast your brain is aging

A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that biological signs of brain aging may appear decades before obvious symptoms and could eventually make the gut a target for prevention.

📅 2026-10-04 11:28:03    •    ScienceDaily
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This common vitamin could help fight one of the deadliest brain cancers
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This common vitamin could help fight one of the deadliest brain cancers

High-dose vitamin B3 is showing intriguing early promise as an addition to standard glioblastoma treatment, with 82% of patients in a small trial remaining progression-free after six months. Researchers believe niacin may help revive immune cells suppressed by the cancer, but larger studies are still needed to confirm the benefit and safety.

📅 2026-10-04 10:09:00    •    ScienceDaily
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