Not long ago, Beloit, Wisconsin, was a largely rural community, mostly known for being the first stop in Wisconsin for travelers coming over the border from Illinois. Today, they’re trying to cure cancer here.

Northstar Medical Radioisotopes, a biotech startup building a rapidly growing campus of buildings just off the interstate, is developing cancer diagnostics and treatments that use radioactive materials. CEO Frank Scholz says it is the most exciting technology out there.

“This is an emerging field, very promising, to make a real difference in patients’ lives and the lives of their families, because we all are affected by cancer,” he said.

Read more on CNBC.