User blog:ARTaylor/154 Years of On the Origin of Species

Today is the one-hundred fifty-fourth anniversary of the original publishing of On the Origin of Species by Charles Darwin. The still controversial book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection. It presented a body of evidence that the diversity of life arose by common descent through a branching pattern of evolution. The work became the foundation of evolutionary biology and is now the unifying concept of the life sciences.