For more than 150 years it has been a mystery over which were the first animals to move from sea to land. Turns out, those animals came from Wisconsin. We talk with a paleontologist, whose son found the “smoking gun” fossil in Marathon County, about paleontology and impacts of the discovery.

We chat with the co-author of a recent Harvard Business School report on what industries with high turnover can do to retain employees. Then, we hear from Madison Mayor Satya Rhodes-Conway about the most pressing issues facing local leaders.

Before President Joe Biden’s State of the Union address Tuesday night, a Wisconsin pollster discusses public opinion of the presidency, Congress, Supreme Court and more in politics.

We talk with a UW-Milwaukee researcher looking into how fish regrow their optic nerves and how that might help people with vision problems. Then we talk with the 40-year director of the nonpartisan Legislative Fiscal Bureau about the state’s finances.

First, we hear from the organizer of the Wisconsin Ukrainian Facebook group whose brother is still in the war torn country. Then, we speak with a professor whose expertise is on Russian nationalism and how that is influencing the Ukrainian invasion.

We talk with Rep. Tip McGuire, D-Kenosha, about his legislative priorities. Then, we hear from WPR's Capitol bureau chief on the latest in state political news.

The Biden administration recently announced a $1 billion dollar investment to clean up the Great Lakes. We speak with a researcher who studies the 1 million tons of salt that enter Lake Michigan each year. Then, an artist and educator discusses her Great Lakes TikTok videos that attract millions of viewers.

We discuss the situation in Ukraine with a sociology professor who researches Russia and other former Soviet countries. Then, we discuss the ongoing challenges that hospitals have with staffing shortages.

The Midwest relies on the Great Lakes for drinking water, food, livelihood and recreation. But many mysteries about the lakes remain. We get insights from a tribal leader about how First Nations thought of the lakes. And then we hear about research regarding invasive species and the lakes in winter.

We talk with Wisconsin Biomass Energy Coalition board chair about renewable natural gas digester facilities. Then, we hear from a UW School of Public Health faculty member on how immunocompromised people are living through the COVID-19 pandemic.