Dialectics of Nature

Labour in the Transition from Ape to Man

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Part 1

The Predatory Economy and the Meat Diet

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Part 2

The Planned action of Animals

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Part 3

The General Nature of Dialectics

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Part 4

Motion in Attraction and Repulsion

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Part 5b

The Conservation of Energy

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Part 5c

The Law of Conservation of Energy

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Part 5

The History of European Science

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Part 6

The Evolution of the Natural Sciences

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Part 6b

Kant's Contribution

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Part 6c

The Growth of the Sciences

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Part 6d

Natural Science and the Spirit World

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Part 7

William Crookes

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Part 7b