Your brain is not bolted in place. It floats in a thin bath of cerebrospinal fluid, and every time you take a step, your abdominal muscles squeeze hard enough to nudge it. That is the central, ...

Going to space is harsh on the human body, and as a new study from our research team finds, the brain shifts upward and backward and deforms inside the skull after spaceflight. The extent of these ...

They directed a pulsed laser beam at one side of a volunteer's head and placed a detector on the opposite side. The setup was designed to block out all other light and maximize the chances of catching ...