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Phys.org / Social networks spanned thousands of square kilometers during the Upper Paleolithic period, study finds

Researchers from several European institutions, led by scientists from the University of Barcelona and the University of Alcalá, have demonstrated that the hunter-gatherers who inhabited the interior of the Iberian Peninsula ...

Jan 22, 2026 in Other Sciences
Medical Xpress / Unexpected vitamin B1 connection emerges in genetic study of gut motility

Bowel habits aren't exactly dinner-table talk. But they reflect how quickly the gut moves things along, and when that goes wrong, people can experience constipation, diarrhea, or irritable bowel syndrome (IBS). Yet the biological ...

Jan 20, 2026 in Genetics
Phys.org / Stress-reduction molecule has potential to treat aging and metabolic disorders

University of Queensland researchers say the discovery of a new stress reduction role for a naturally occurring molecule in the body could lead to new drugs and treatment for metabolic disorders and aging.

Jan 22, 2026 in Biology
Medical Xpress / Exercise and enriched environments help protect brain barrier from stress-linked depression, finds study

A research team at Université Laval may have discovered why physical exercise and living in favorable socioeconomic conditions reduce the risk of depression. In lab animals exposed to chronic social stress, one of the main ...

Jan 22, 2026 in Neuroscience
Phys.org / Experiment clarifies cosmic origin of rare proton-rich isotope selenium-74

Researchers have reported new experimental results addressing the origin of rare proton-rich isotopes heavier than iron, called p-nuclei. Led by Artemis Tsantiri, then-graduate student at the Facility for Rare Isotope Beams ...

Jan 22, 2026 in Physics
Phys.org / Cells that are not our own may unlock secrets about our health

During pregnancy, maternal and fetal cells migrate back and forth across the placenta, with fetal cells entering the mother's bloodstream and tissues. They can settle in maternal organs such as the thyroid, liver, lungs, ...

Jan 22, 2026 in Biology
Phys.org / Aging zoo animals threaten long-term species conservation goals

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in global species conservation. ...

Jan 22, 2026 in Biology
Phys.org / Beneath Antarctica's largest ice shelf, a hidden ocean is revealing its secrets

Beneath Antarctica's Ross Ice Shelf lies one of the least measured oceans on Earth—a vast, dark cavity roughly twice the volume of the North Sea.

Jan 22, 2026 in Earth
Phys.org / Tungsten carbide phase control: Engineering a low-cost alternative catalyst for producing sustainable petrochemicals

Important everyday products—from plastics to detergents—are made through chemical reactions that mostly use precious metals such as platinum as catalysts. Scientists have been searching for more sustainable, low-cost ...

Jan 22, 2026 in Chemistry
Phys.org / Meadows reveal unexpected monotony in insect biodiversity study

According to a new study by the University of Würzburg, Bavarian meadows are the most monotonous insect habitats. Surprisingly, fields and settlements often offer more diversity than grassland.

Jan 22, 2026 in Biology
Phys.org / Resurrected ancient enzyme offers new window into early Earth and the search for life beyond it

By resurrecting a 3.2-billion-year-old enzyme and studying it inside living microbes, researchers at the University of Wisconsin–Madison have created a new way to improve our understanding of the origins of life on Earth ...

Jan 22, 2026 in Astronomy & Space
Phys.org / Gaia data release reveals four substructures in open cluster NGC 752

By analyzing the data from ESA's Gaia satellite, Chinese astronomers have investigated the structure of a nearby open cluster known as NGC 752. The new study identified four substructures and delivered evidence for mass segregation ...

Jan 20, 2026 in Astronomy & Space