PROFILE E. Margaret Evans Associate Research Scientist University of Michigan Ann Arbor About informal science Projects The contribution of natural history museums to science education Life on Earth Research The Contribution of Natural History Museums to Science Education The authentic object? A child's-eye view Explanatory Parent-Child Conversation Predominates at an Evolution Exhibit The DeepTree Exhibit: Visualizing the Tree of Life to Facilitate Informal Learning Going Deep: Supporting Collaborative Exploration of Evolution in Natural History Museums Fluid Grouping: Quantifying Group Engagement around Interactive Tabletop Exhibits in the Wild Integrating Developmental and Free-Choice Learning Frameworks to Investigate Conceptual Change in Visitor Understanding