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Gregor Mendel explains to children the theory of heredity in simple-to-understand language and examples. Regarded as the world's first geneticist, Gregor Mendel discovered one of the fundamental aspects of genetic science: animals, plants, and people all inherit and pass down traits through the same process. Living the slow-paced, contemplative life of a friar, Gregor Mendel was able to conceive and put into practice his great experiment--observing yellow peas, green peas, smooth peas, and wrinkled peas to craft his theory--years before scientists had any notion of genes. Includes an...

In this picture book biography about eighteenth-century mathematician Sophie Germain, young readers will find a female role model who loved math and changed the world with her discoveries.