Wisconsin Public Television

Series: Known Unknowns

As the population and computing power grow, the complex systems that support everyday life have the capacity to generate detailed data that can provide crucial insights into health, education, the economy and much more. But those systems can still fall short in gathering useful or relevant information. In some cases, information is spread among disparate entities. In others, it simply has not been analyzed. When data is limited, these gaps can reveal blind spots among and challenges to policies and institutions.
 
The lack of data in adult literacy
In many ways, campaigns to improve literacy are more sophisticated than ever. In many ways, campaigns to improve literacy are more sophisticated than ever.
ShotSpotter screen view
As cities around the United States struggle to respond to gun violence in neighborhoods where residents may not trust law enforcement, dozens of police departments are turning to a gunshot-detection system called ShotSpotter.
Madison might be at the center of Wisconsin's loudest discussion about homelessness right now, but the problem extends far beyond the state's capital city. In fact, the majority of the state's homeless people documented in a 2015 federal report were outside the Madison and Milwaukee areas.
No one can say for sure how many lead pipes drinking water runs through on a daily basis around the United States, or where specifically those pipes are located.
The state of Wisconsin is getting ready to parcel out $14.5 million to help communities replace thousands of lead service lines. However, short of digging up every single pipe in a community or surveying every property owner, there's no way to know for sure where all the lead is located.
Data about substance abuse is plentiful. The difficult part is pulling together all that information, analyzing it, and identifying the patterns.
As more people die of overdoses — sometimes after unknowingly using highly potent opioids — public health officials are also struggling for clarity.
When debating Gov. Scott Walker's decision to not call special elections to fill two vacancies in the Wisconsin Legislature, state political figures and commentators have argued over the move's implications elections law, public spending and democracy itself. But what about precedent?
Even the most thorough batch of data will have its gaps and shortcomings, and it's part of public health researchers' job to try to better understand the big picture in spite of that limitation
Search and rescue volunteers tend to be dedicated to their craft. Some spend thousands of dollars and countless hours training for and carrying out searches.