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Medical Xpress / A silent signaling network deep in the gut protects against inflammatory intestinal disorders, scientists find

Deep in the folds of the intestine, in microscopic pockets called crypts, a quiet surveillance system is always at work. Stem cells lining the gut wall are not just rebuilding tissue—they are listening and signaling. When ...

42 minutes ago in Immunology
Phys.org / Australian sea lion pups learn diving and foraging skills from their mothers

Research from Adelaide University and the South Australian Research and Development Institute (SARDI) has shown for the first time that Australian sea lion pups can learn foraging behavior from their mothers. Social information ...

42 minutes ago in Biology
Phys.org / Fish use more energy to stay still than previously thought

Many fish appear to hang effortlessly in the water while they wait for prey, defend a nest or pause between bursts of activity. But our research shows that this quiet stillness is anything but effortless. Hovering, the behavior ...

32 minutes ago in Biology
Medical Xpress / How blast waves can damage the brain without a head injury

An explosion does not need to strike the head to injure the brain. When a blast occurs, it generates a sudden pressure wave that can pass through the body and skull in milliseconds, potentially deforming brain tissue and ...

12 minutes ago in Neuroscience
Phys.org / NASA moon rocket hit by new problem, putting March launch with astronauts in jeopardy

NASA's new moon rocket suffered another setback Saturday, putting next month's planned launch with astronauts in jeopardy.

22 minutes ago in Astronomy & Space
Phys.org / 2-month-olds see the world in a more complex way than scientists thought, study suggests

A new study suggests that babies are able to distinguish between the different objects they see around them at 2 months old, which is earlier than scientists previously thought.

52 minutes ago in Biology
Phys.org / Do animals have a future on Hollywood sets?

There is a long and storied history of nonhuman actors, from Luke, the dog of silent star Roscoe "Fatty" Arbuckle, to the collies cast in the role of Lassie in film and on television. Bart the Bear racked up over 20 film ...

12 minutes ago in Other Sciences
Tech Xplore / Social media can be addictive even for adults, but there are ways to cut back

Social media addiction has been compared to casinos, opioids and cigarettes.

12 minutes ago in Internet
Medical Xpress / Physical function is a crucial predictor of survival after heart failure, mortality risk model indicates

Monitoring and treating heart failure (HF) is a challenging condition at any age. Several models, such as Atrial fibrillation, Hemoglobin, Elderly, Abnormal renal parameters, Diabetes mellitus (AHEAD), and BIOlogy Study to ...

42 minutes ago in Cardiology
Tech Xplore / AI model edits can leak sensitive data via update 'fingerprints'

Artificial intelligence (AI) systems are now widely used by millions of people worldwide, as tools to source information or tackle specific tasks more rapidly and efficiently. Today, some of the most used are large language ...

1 hour ago in Security
Phys.org / Cosmologists collaborate to sharpen measurements of the Hubble constant

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in Astronomy & Astrophysics, ...

2 hours ago in Astronomy & Space
Medical Xpress / Oxytocin reverses anxiety-like behavior after three months of isolation in mice

Periods of prolonged social isolation have long been associated with difficult emotions and, in some cases, with the emergence of psychiatric symptoms, such as depression, anxiety, and difficulties connecting with others. ...

4 hours ago in Psychology & Psychiatry