Could there be less mercury in the lower Ohio -- from Louisville to Cairo -- than before. The Kentucky Division of Water thinks so, although some people are skeptical.
Meanwhile, this article from last week shows the idea of mixing zones for mercury remains a debated topic.
Every week, several bodies are found in the Ohio River. This incident, in which a body was found between two barges of a coal tow that was in motion, was different.
And a casino in Pittsburgh wants to add a $50 million hotel next door.