Chronic pain affects roughly 51 million adults in the United States alone, and for most of them, the available drug options remain blunt instruments: opioids that carry addiction risk, or ...

The first wiring diagram of every neuron in an adult brain and the 50 million connections between them has been produced for a fruit fly. The diagram of all 139,255 neurons in the adult fly brain is ...

The idea that the nervous system passes messages from one nerve cell to another only through synapses — the points where the cells link up end to end — is changing. Two studies show how messages can ...