WBEZ 91.5 Chicago

A new study by a national conservation group found 32 percent of seafood samples from Chicago retailers were mislabeled as another fish entirely.

How did tuna go from an unknown fish to one of America’s favorite foods? Credit World War I, and a brilliantly simple ad campaign. 

In last week’s episode, we talked to Leo Smith about his work with venomous fish and the promise they may hold for medical science. It turns out that there are more venomous fish than any other kind of animal, far more than snakes and scorpions combined.

In connecting the Great Lake Michigan to the Mighty Mississippi, Chicago left the back door open to some unwelcome visitors. Asian Carp are the latest threat and our last line of defense spans the Sanitary and Ship Canal, about 30 miles southwest of the city.