More brain power than usual is now in Washington, D.C. due to the opening of Bodies . . . The Exhibit. Surrounding the brain are a fluid and membrane that allow the brain to float undisturbed.

During a tour of the exhibit a curator announces that the brain can still hit the sides of the skull, resulting in concussion, or hit hard enough to cause damage, resulting in a contusion. Even the membrane itself can be the source of problems through meningitis. (1:03)
Listen