The Department of Agriculture, for example, provides biologists to help study wildlife that could be a danger to air travel.

VOA: special.2009.04.01

Another threat biologists have been battling for years in the Everglades is the area's population of Burmese pythons.

VOA: special.2009.06.30

Plant biologists may recognize that name as a member of the mint family.

VOA: special.2009.08.07