Many young children have an intense interest in dinosaurs. Maybe it starts when they’re toddlers and biting is a salient issue of self-control. For lots of children, it evolves into an intense interest that leads to learning to identify many different types and their scientific names. A 2008 study found that sustained intense interests, particularly in a conceptual domain like dinosaurs, can help children develop increased knowledge and persistence, a better attention span, and deeper information-processing skills. So if your little one has a topic they are obsessed with, go with it!