"A new report from an engineering firm hired by the Tennessee Valley Authority identified factors behind last year’s disaster that unleashed more than a billion of gallons of toxic ash from a massive storage pond at the federal company’s Kingston plant in eastern Tennessee.

It claims that the disaster was a one-of-a-kind event—but skeptical coal ash watchdogs are calling for a more thorough investigation by federal authorities."

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Since we seem to be on the subject, I stumbled onto this video of a new toilet system design.

From a sewer camera, apparently. Might as well go ahead and authorize the nuclear option.

Update: Replaced video with working link.

Update: Deep Sea News identifies these things as Tubifex worms coiled up around each other.

According to Dr. Timothy S. Wood, an expert on freshwater bryozoa:

No, these are not bryozoans! They are clumps of annelid worms, almost certainly tubificids (Naididae, probably genus Tubifex). Normally these occur in soil and sediment, especially at the bottom and edges of polluted streams. In the photo they have apparently entered a pipeline somehow, and in the absence of soil they are coiling around each other. The contractions you see are the result of a single worm contracting and then stimulating all the others to do the same almost simultaneously, so it looks like a single big muscle contracting. Interesting video.

This guy found the steam plant in LA where they filmed the Death Star firing control room sequence!
Fire!