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Medical Xpress / New study challenges the idea that testosterone drives risk-taking behavior

Men are more likely to take risks in tricky situations than women, but whether there is an inherent biological reason behind it is a question researchers have been asking for quite some time. A popular theory suggests that ...

3 hours ago
Medical Xpress / Hantavirus is very different from COVID. Here's why the 'Andes virus' won't cause the next pandemic

For many people, news of a virus outbreak on a cruise ship immediately brings back memories of COVID spreading when the Ruby Princess docked in Sydney in March 2020. Of the passengers and crew who disembarked, 575 had COVID. ...

1 hour ago
Phys.org / 'Mobile' DNA elements may have expanded gene regulatory networks in brain development

Scientists have uncovered evidence supporting a mechanism in which transposable elements (TEs), once considered "non-functional" DNA, may have contributed to the evolution and expansion of gene regulation during neural development. ...

1 hour ago
Tech Xplore / Electron transport emerges as new rule for lithium battery catalyst design

Conventional catalyst designs have largely focused on thermodynamic properties, such as adsorption energy, to optimize catalytic activity. Now, however, a research team from the Institute of Metal Research of the Chinese ...

2 hours ago
Phys.org / Gentle, laser-driven flows enable precise 3D imaging of delicate samples

Until now, it has been technically nearly impossible to rotate highly sensitive samples in all directions under a microscope without making contact. Researchers at the Karlsruhe Institute of Technology (KIT) have developed ...

2 hours ago
Medical Xpress / Small study hints that revving up immune cells might help fight HIV

Scientists are tweaking a powerful cancer therapy in hopes it could fight HIV instead, by supercharging patients' own immune cells.

2 hours ago
Medical Xpress / Cannabis compounds beyond THC may help reverse metabolic problems during weight loss

A University of California, Riverside preclinical study is shedding light on a long-observed but poorly understood phenomenon: chronic cannabis users tend to have lower body weight and a reduced risk of developing type 2 ...

2 hours ago
Phys.org / 80 years after the Trinity nuclear test, scientists identify new molecule-trapping crystal formed in the blast

Matter behaves strangely under extreme conditions, and often, remnants of these behaviors are left behind even when conditions return to normal. The Trinity nuclear test in 1945 left behind such remnants, and now, 80 years ...

4 hours ago
Phys.org / DNA 'barcodes' help researchers pinpoint gold nanoparticles that can strike cancer at its power source

Researchers at the National University of Singapore (NUS) have developed a high-throughput method to identify gold nanoparticles capable of delivering therapies directly to mitochondria (the energy centers inside cancer cells). ...

2 hours ago
Medical Xpress / When uncertainty hits, people with higher autistic traits reach for words that may calm anxiety

We feel more anxious when facing uncertain or unpredictable situations, but for those who score higher on autistic traits, this anxiety tends to be stronger. Published in Scientific Reports, a new study suggests uncertainty-driven ...

2 hours ago
Medical Xpress / The magic of mushrooms: Psychedelic psilocybin shows promise for treating cocaine addiction

Cocaine addiction treatment has found a surprising new contender in the highly regulated substance psilocybin, a naturally occurring psychedelic compound found in mushroom species popularly known as magic mushrooms or shrooms. ...

9 hours ago
Tech Xplore / 'Touch dreaming' helps humanoid robots handle five tricky tasks with 90.9% higher success

Humanoid robots, robotic systems with a body structure that resembles that of humans, could soon assist humans with various tasks in household environments, manufacturing sites, hospitals and other settings. While some humanoid ...

9 hours ago