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.
When attempting to find Waldo you can scan the page completely from top to bottom, or you can focus your search around certain landmarks where Waldo seems likely to be hiding (in a castleâs moat, riding a blimp). Neither approach is particularly efficient.