Viscous fingering occurs when a thinner fluid pushes a thicker, more viscous fluid in a porous medium, like underground rock, ...

Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...

Researchers led by Masako Tamaki at the RIKEN Center for Brain Science in Japan report a link between deep sleep and cerebrospinal fluid, the clear liquid that surrounds and supports the brain and ...

Kolmogorov’s universal framework for small-scale turbulence, which describes how energy propagates and dissipates through ...

High-speed photography shows a sneeze can blast saliva and mucus well beyond current social distancing guidelines, and tiny droplets can remain in the air longer than thought. High-speed video imaging ...

How does the brain take out its trash? That is the job of the brain's lymphatic drainage system, and efforts to understand how it works have pushed the boundaries of brain-imaging technologies.

From stirring milk in your coffee to fearsome typhoon gales, rotating turbulent flows are everywhere. Yet, these spinning currents are as scientifically complex as they are banal. Describing, modeling ...

After a night of poor sleep, you don't feel as alert as you should. Your brain might seem foggy, and your mind drifts off when you should be paying attention.

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Addressing the question of whether and how immune cells (macrophages) in the central nervous system (CNS) traffic out, researchers have now ...

The US Therapeutic Plasma Exchange Market represents a critical segment within the broader apheresis and blood purification ...