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From fish to mammals and plants to insects every organism on Earth must reproduce and the survival of each species—and of life itself—depends on th...

A poetic picture book celebration of the life and scientific discoveries of groundbreaking astronomer Cecilia Payne! Astronomer and astrophysicist ...

The suspenseful, little-known true story of two determined pioneers who made the first dive into the deep ocean.On June 6, 1930, engineer Otis Bart...