How can a lake explode?

This Stuff You Should Know episode dives into the terrifying phenomenon of exploding lakes, focusing on the deadly 1986 disaster at Lake Nyos in Cameroon where a massive cloud of carbon dioxide erupted from the water and killed 1,700 people up to 15 miles away. Josh and Chuck explain the fascinating science behind these "limnic eruptions," exploring how volcanic activity and unique atmospheric conditions can turn peaceful crater lakes into ticking time bombs. They also discuss ongoing efforts to prevent future disasters and reveal why there are still dangerous lakes around the world that could explode at any time.