All Archimede houses have an underfloor cavity that is always pressurized with warm air, and a series of tiny holes punched next to the outside wall encourages a slow diffusion of warmer air that prevents condensation and fungus development.

FORBES: Arctic Refuge On Stilts--Kangiqsujuaq, Quebec

The density of water molecules within the leaf is typically 60 times greater than the density of carbon dioxide in the air, and the diffusion rate of the water molecule is greater than that of the carbon-dioxide molecule.

WSJ: Harrison H. Schmitt and William Happer: In Defense of Carbon Dioxide

Iran's diffusion efforts have recently been stepped up, thereby lessening the chances that air raids can effectively cripple or substantially set back its nuclear program.

FORBES: Magazine Article