Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During their preparation for this battle, B cells transiently revert to a more ...

New research on the hippocampus, a brain area essential for memory, suggests that new rules of synaptic plasticity best explain how brain activity continually reshapes the way memories are recorded in ...

For much of modern history, the brain was seen as largely fixed by the end of childhood. Intelligence, personality, and ability were believed to follow a mostly predetermined biological path.