The Evolution of On the Origins of Species

Ben Fry has come up with an interesting take on how Charles Darwin's book On the Origins of Species by Means of Natural Selection changed over time. As Mr. Fry notes:

Using the six editions as a guide, we can see the unfolding and clarification of Darwin's ideas as he sought to further develop his theory during his lifetime.

It is a little hard to figure out exactly what is going on at first blush but if you spend some time with it, it holds a wealth of information. Each column is a chapter of the book and you can see how things were added based on the color-key at the bottom from the first through the sixth edition. Neat.

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