Here the pieces of the tooth are shown in relation to a gold nugget found at the dig earlier. Further question: How does displaying the tooth next to a gold nugget provide the reader with a sense of the size of the fossil? Gold nuggets could be any size. A comparison picture should be the tooth placed next to something of a fixed size, such as a penny.
Journalism standards have certainly deteriorated since I was in school. This whole report, while interesting, is written in an odd manner.