World Health Organisation estimates worldwide there are 1 billion cases of influenza annually. We catch the flu, recover from it, but we are not off the hook, we can catch the flu again.
English biologist Charles Darwin was a European man of his time. Like many of his peers, he was under the impression that white men were inherently superior to women and people of color. Does the worldview of Darwin say anything about his theory and today's evolutionary biology?
Today the theory of evolution is a complex body of theory supported by other branches of science. In other words, we do not need the theory of evolution to know that evolution is a fact. However, in the mid-nineteenth century, the world was different.