Charles Darwin Sets Sail on HMS Beagle (1831)
The theory of evolution, which Darwin first expressed in The Origin of Species, was the result of his discoveries as a naturalist on board the HMS Beagle. His book explained evolution through the principles of natural selection and aroused widespread debate among scientists and religious leaders. Darwin spent the rest of his life studying the results of that expedition and developing his theory of evolution. What debilitating disease might Darwin have contracted during the voyage? More...
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