PROFILE Maureen Callanan Professor of Psychology, Professor University of California, Santa Cruz About informal science Projects Collaborative Research: Latinx Families' Talk about Science in Stories with Young Children Collaborative Research: Explaining, exploring, and scientific reasoning in museum settings My Sky Tonight: Early Childhood Pathways to Astronomy Lupe's Story ALICE Round and Round Research Science in stories: Implications for Latine children’s science learning through home-based language practices Maps, Globes, and Videos: Parent-Child Conversations about Representational Objects Explanatory conversations and young children's developing scientific literacy Similarity Comparisons and Relational Analogies in Parent-Child Conversations About Science Topics Cognitive Development, Culture, and Conversation: Comments on Harris and Koenig's "Truth in Testimony: How Children Learn about Science and Religion" Conversations about science across activities in Mexican-descent families Why Things Happen: Teleological Explanation in Parent-Child Conversations Mother-Child Conversation and Children's Understanding of Biological and Nonbiological Changes in Size Shared Scientific Thinking in Everyday Parent-Child Activity Identifying and Supporting Shared Scientific Reasoning in Parent-Child Interactions Parents Explain More Often to Boys Than to Girls During Shared Scientific Thinking Evaluation Expanding Repertoires of Practice: COV Final Brief