This mixture of gases is commonly known as air. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night.
http://en.wikipedia.org/wiki/Air

The American Institute of Research helps its clients respond to human problems with effective policies, products, and services. Our goal is to make a difference by addressing a ...
http://www.air.org/

In traditional cultures, air is often seen as a universal power or pure substance. Its fundamental importance to life can be seen in words such as spirit, inspire, expire, and ...
http://en.wikipedia.org/wiki/Air_%28classical_element%29

The world's thinnest notebook. MacBook Air is ultrathin, ultraportable, and ultra unlike anything else.
http://www.apple.com/macbookair/

The Adobe® AIR 1.1 for Linux beta is a version of the Adobe AIR runtime that allows Adobe AIR applications to be deployed on computers and devices running supported versions of ...
http://labs.adobe.com/technologies/air/