Great Moments In Teaching – Fecal Samples

PLEASE NOTE: there is a very good reason there are no pictures associated with this story. As some of you may know, I teach a radiation safety course at a local community college. A while back, we were discussing bioassay techniques (read: ways determine if there’s been an uptake of radioactive material in the body, …

The Picric Acid Tale or “Why I Can’t Have Four Day Weekends Anymore”

Once upon a time, the radiation safety officer (RSO), let’s call him Bob, had been out performing the inventory of source material* and ran across a bit of excitement. In this particular lab, they had approximately 10 grams of uranyl acetate, a very common contrast stain for electron microscopes.  The poor unfortunate grad student who was …