Ron Huebner, a sewer maintenance worker in Minneapolis, Minnesota was treated to a much more rude surprise than usual while cleaning out a sewer pipe last month: Blood. Gallons and gallons of animal and human blood dumped into the sewer by a nearby medical research facility.

The company that owns the facility, as it turns out, has a permit to dump blood in just this way. Still, Huebner is pretty shaken up, because he was doused with the stuff, and wound up with it in in most of the orifices of his body. That's not something that you just shake …