Fox 2: Before you jump into the lake, health experts have a warning when in doubt stay out.
Minnesota scientists are trying to figure out what exactly is going on with the water.
There are increasing reports of Blue-Green algae in northern Minnesota lakes. The algae is in essential every lake but when it grows rapidly and blooms it can become toxic.
It's making kids and animals sick, now researchers are struggling to figure out how they can keep people safe. They're looking for evidence and clues...