He then tested how much friction there was when a ceramic ball and a polyethylene socket were immersed in a liquid with the same properties as synovial fluid.

BBC: Longer-lasting hip-joint hope

Factors that alter the properties of inner ear fluid may help cause Meniere's disease.

CNN: Meniere's disease

So web properties leap to the forefront of modern UI design, making for amazingly productive, fast and fluid applications on the desktop.

ENGADGET: Canonical integrating Ubuntu WebApps in Quantal Quetzal (video)