1 These are research materials that are necessary to perform research. 2  All inventions, discoveries and knowledge can become research tools. 3  Universities and public research institutions have many resources that can be considered research tools.
Waldo, Kansas. Waldo is a city in Russell County, Kansas, United States. As of the 2010 census, the city population was 30. Contents.
Cosmopolis, Washington. Cosmopolis is a city in Grays Harbor County, Washington, United States. The population was 1,649 at the 2010 census.