Elena Renken

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.

New studies help to explain how microbes in the gut can shape a host’s fear responses.

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

While we sleep, one kind of slow brain wave helps to reinforce memories, but a competing wave weakens them.