Organs often have fluid-filled spaces called lumens, which are crucial for organ function and serve as transport and delivery ...

Chatbots put through psychotherapy report trauma and abuse. Authors say models are doing more than role play, but researchers ...

Scientists have uncovered a way to manipulate the pathway in monkey brains that puts the brakes on motivation.

Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen ...