I love introducing kids to ordinary people who did amazing things by reading picture book biographies for kids. Don't you?

But her intelligence was so great that she was hired as a research mathematician by the National Advisory Committee for Aeronautics (NACA), the forerunner of NASA, in 1953. Katherine Johnson was at ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics ...

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