Elena Renken

In three bursts of adaptive change, one species of cichlid fish in Lake Tanganyika gave rise to hundreds.

Researchers see structural changes in genetic material that allow memories to strengthen when remembered.

The glial cells of the nervous system have been eclipsed in importance by neurons for decades. But glia are turning out to be central to many neurological functions, including pain perception.

An organized tide of brain waves, blood and spinal fluid pulsing through a sleeping brain may flush away neural toxins that cause Alzheimer’s and other diseases.

Singing experiments with residents of the Bolivian rainforest demonstrate how biology and experience shape the way we hear music.