They gave him a 'plaque' in honor of his 30 years of service.
The scientists are studying the way the 'plaques' form.
Brushing your teeth prevents the buildup of 'plaque'.
(..) uh, An... An... Ni. Ni. Yes. I had a good year. They let me hold the plaque. When was the picture taken? A month or so ago, I think-- I'm not very good with time. Oh. (..)2014 TvShow: Bones Title: The Master in the Slop Season: 9 Episode 14