The Food and Drug Administration approved this new test technology in November 2002, and more recently approved a test that uses saliva instead of blood.

Results from tests using saliva can be available in less than 30 minutes.

There are some swifts which only use saliva to make their nests.

The OraSure test doesn't use saliva.

Officers at the roadside can quickly screen (using saliva) for drivers suspected of being under the influence of an illegal drug.

Tyrannosaurus may have had infectious saliva used to kill its prey.

Divers often use saliva, which is a commonly known and effective anti-fogging agent.

It wouldn't stay clear for long but I didn't want to surface yet and use saliva.

The male swift uses thick saliva to construct the white, shiny nest into which two eggs are laid.

It was once thought that Komodos used deadly saliva containing toxic bacteria to poison their prey.