"This motivated us to search for a new law that could work for any type of fluid moving at any rate through a pipe of any size." Flows of liquids and gasses through pipes, tubes, and ducts occur in ...

What governs the speed at which raindrops fall, sediment settles in river estuaries, and matter is ejected during a supernova? These questions circle around one, deceitfully simple factor: the rate at ...

Waves of cerebrospinal fluid which normally wash over brains during sleep can be made to pulse in the brains of people who are wide awake, a new study finds. The clear fluid may flush out harmful ...