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Medical Xpress / Oxytocin-sensitive brain circuit may keep social bonds active under stress

The neuropeptide oxytocin is a special messenger substance that nerve cells use to communicate with each other. It is acting as both a neurotransmitter and a hormone and is best known for promoting social behavior. However, ...

Feb 23, 2026 in Psychology & Psychiatry
Tech Xplore / US AI giants accuse Chinese rivals of mass data theft

US artificial intelligence company Anthropic said Monday it had uncovered campaigns by three Chinese AI firms to illicitly extract capabilities from its Claude chatbot, in what it described as industrial-scale intellectual ...

Feb 23, 2026 in Machine learning & AI
Phys.org / How tuberculosis bacteria use a 'stealth' mechanism to evade the immune system

Scientists have uncovered an elegant biophysical trick that tuberculosis-causing bacteria use to survive inside human cells, a discovery that could lead to new strategies for fighting one of the world's deadliest infectious ...

Feb 21, 2026 in Biology
Phys.org / Saturday Citations: A virus that makes its own proteins; a new Spinosaurus; exercise beats anxiety

This week in the scientific process: researchers reported the first-ever shark sighted in Antarctic waters. Penguins beware! Biologists report that honey bees navigate more precisely than previously thought. And not all humans ...

Feb 21, 2026 in Other Sciences
Medical Xpress / Preclinical or clinical? New obesity definition could reshape diagnosis and prevention

An international research group has examined how many people are affected by preclinical and clinical obesity and what health risks are associated with this. The team led by Prof. Matthias Schulze from the German Institute ...

Feb 23, 2026 in Overweight & Obesity
Phys.org / Are one in 200 men really related to Genghis Khan? Maybe not, according to a new study

In present day Kazakhstan, both local folklore and genetic evidence found buried in royal tombs have shone a light on the region's ties to Genghis Khan and the Mongol Empire. New DNA analysis of ruling elites from the Golden ...

Feb 21, 2026 in Other Sciences
Tech Xplore / Robot hand approaches human-like dexterity with new visual-tactile training

Human hands are a wonder of nature and unmatched in the animal kingdom. They can twist caps, flick switches, handle tiny objects with ease, and perform thousands of tasks every day. Robot hands struggle to keep up. They typically ...

Feb 17, 2026 in Robotics
Phys.org / Exomoons could reveal themselves through lunar eclipses

Our solar system hosts almost 900 known moons; more than 400 orbit the eight planets while the remaining orbit dwarf planets, asteroids, and Trans-Neptunian Objects (TNOs). Of these, only a handful are targets for astrobiology ...

Feb 23, 2026 in Astronomy & Space
Medical Xpress / Scientists develop first-of-its-kind antibody to block Epstein Barr virus

Fred Hutch Cancer Center scientists reached a crucial milestone in blocking Epstein Barr virus (EBV), a pathogen estimated to infect 95% of the global population that is linked to multiple types of cancer, neurodegenerative ...

Phys.org / New evidence shows indoor plants can quietly reshape the health and quality of our homes and workplaces

Houseplants and more advanced plant systems, such as indoor living walls and hydroponic towers, have the potential to raise indoor humidity, boost thermal comfort and help create healthier, more climate-resilient buildings, ...

Feb 23, 2026 in Earth
Phys.org / 250 million-year-old amphibian fossils from Australia reveal global spread of 'sea-salamanders'

The Kimberley region in the northwest corner of Western Australia is full of rugged ranges and gorges, and long stretches of red soil and rocky ground. The dry seasons are long, and the wet seasons often flood the Martuwarra ...

Feb 23, 2026 in Biology
Medical Xpress / Adolescent social health may foretell loneliness and aggressive behavior

Teens who are lonely and those who experience conflict in their home life are more likely to act aggressively toward peers or become victims themselves. These are some of the findings in a new University of California, Davis, ...

Feb 23, 2026 in Pediatrics