All News

Phys.org / El Nino is here and scientists fear it'll be big, bad and costly with heat, floods, droughts, fires

El Niño, Nature's chaotic climate agent, has formed in a warmed-up Pacific Ocean and is expected to grow to historic strength, meteorologists announced Thursday.

1 hour ago
Phys.org / Electron matter waves gain ultrafast torque that flips handedness in femtoseconds

Many natural processes, ranging from magnetism to chemical reactions, entail the movement and rotation of particles at very small scales. In quantum mechanics, particles exhibit both particle-like and wave-like behaviors, ...

8 hours ago
Medical Xpress / Gut microbes unlock hormone signaling that regulates gut movement, study suggests

Millions of people worldwide are periodically or chronically affected by gut-related conditions, such as irritable bowel syndrome (IBS), gastroesophageal reflux disease (GERD) and gastroenteritis. Uncovering the physiological ...

3 hours ago
Medical Xpress / Sleepy mice forget who they have met, but an asthma drug brings it all back

Anyone who has had a bad night knows that they can feel "foggy" the next day. This fogginess may extend to our memory: remembering where we went, who we met or what happened during the encounter. Neuroscientist Robbert Havekes ...

2 hours ago
Phys.org / Ocean glow meets 3D printing with living gels that sense mechanical force

The integration of biological organisms into synthetic structures offers a radical new pathway for developing intelligent, self-powered materials. Researchers have pioneered an innovative approach to biomanufacturing by using ...

2 hours ago
Tech Xplore / Self-regenerating catalyst overcomes key durability challenge in hydrogen energy

Imagine a catalyst that can heal itself after being damaged. A POSTECH-led research team has developed an electrocatalyst that regenerates its own metallic surface after oxidation, much like how a wound heals naturally. This ...

2 hours ago
Phys.org / AI doesn't just help us think, it thinks instead of us: What this means for the process of learning

Deep in Book VII of Plato's Republic, Socrates describes prisoners chained inside a cave, mistaking shadows cast on a wall by firelight for reality itself. They name the shadows, debate them and develop expertise about them. ...

1 hour ago
Medical Xpress / Attendance points push sick workers on the job, even with paid leave

A new study finds that employer points systems, which penalize workers for absences regardless of the reason, are strongly associated with presenteeism, the practice of showing up to work while sick, and that these systems ...

1 hour ago
Medical Xpress / AI chatbots mimic fear, sadness and stress, then calm down after mindfulness exercise

Large language models (LLMs) can replicate human emotions like fear, sadness and anxiety, and be "calmed down" by a breathing exercise, suggests a study published in The Lancet Digital Health. This means LLMs could potentially ...

2 hours ago
Phys.org / Novel nanowire device offers rapid, noninvasive cancer detection

A research team in Japan has developed an efficient, minimally invasive cancer detection device that uses high-performance zinc oxide nanowires to selectively capture extracellular vesicles (EVs) from bodily fluids.

2 hours ago
Phys.org / Ancient clay figurine from Guatemala may bear the oldest written numbers in Mesoamerica

A clay figurine, small enough to cradle in your hand, with 11 dots arranged in columns where its head should be, may depict the oldest known example of written numbers in Mesoamerica.

4 hours ago
Science X / Baby-like reflexes that resurface in older adults may be warning of something much bigger

Ever seen a baby immediately grip something tightly as soon as it's placed in their palm? Or noticed their lips pucker or move when the area around the mouth is stimulated by tapping? These are the palmar and snout reflexes, ...

4 hours ago