Charles Darwin: Origin Of Species -

Those with traits best suited to their environment survive and reproduce, "selecting" those traits for the next generation. Why It Was Controversial

The Origin of Species remains one of the few scientific works that is as readable as it is revolutionary, reminding us that "from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved." Charles Darwin: Origin of Species

Darwin’s genius lay in identifying how this change happened. He called it . The logic was simple but brutal: Those with traits best suited to their environment