Python 3.15 introduces an immutable or ‘frozen’ dictionary that is useful in places ordinary dicts can’t be used.

Sensory cues increase risky choice when paired with wins but reduce risky choice when paired with losses, with parallel shifts in sensitivity to negative outcomes.

Endoscopy is the insertion of a long, thin tube directly into the body to observe an internal organ — such as the gastrointestinal tract — in detail. Doctors can also use it in imaging, surgery, and ...