Manipulating a newly identified neural circuit can curb appetite -- or spur massive overeating. Speaking, singing, coughing, laughing, yelling, yawning, chewing -- we use our jaws for many purposes.

To stay in balance, the brain depends on two types of neurons: Excitatory neurons (in white), which increase activity, and inhibitory neurons (in black), which damp down signals. Scientists have now ...

When you get better at a skill-recognizing a familiar face in a crowd, spotting a typo at a glance, or anticipating the next move in a game-sensory neurons in your brain become more coordinated, ...