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Darwin extends evolutionary theory to human origins, sexual selection, psychology, and social development.

Darwin’s travel narrative from the Beagle expedition, rich in geology, natural history, and observation.

A public-domain original edition centered on emotion, facial expression, gesture, fear, grief, rage, joy, animals, and evolutionary continuity.

Newton’s classic experiments on light, color, prisms, reflection, refraction, and scientific method.

Faraday’s experimental papers on electricity, induction, electrochemistry, magnetism, fields, and scientific method.

A landmark scientific treatise on electricity, magnetism, fields, mathematics, and physical theory.

A disturbing science-fiction classic about experiment, ethics, evolution, and humanity.

A public-domain classic of motion, gravity, mathematics, and the foundations of physics, presented in a clean BooksWhale reading edition.

A famously approachable introduction to differential and integral calculus.

An ancient Chinese mathematics classic of algorithms, measurement, equations, proportions, and practical problems.

Darwin’s revolutionary argument for evolution by natural selection, grounded in observation and comparison.