Darwinism is a system of thought regarding how organisms change over time. Based on the writings of Charles Darwin, modern neo-Darwinism usually embraces an entirely materialist view of the universe…that is, that physical matter is all that exists, and that there is not spiritual or metaphysical aspect of reality.
Neo-Darwinian evolution is generally accepted by the public as fact, but that doesn't make it so. There are a lot of scientists who, with no religious agenda, acknowledge the scientific and mathematical problems inherent in evolutionary thought. Doug Axe explains simply and clearly why we have reasons to doubt one of the basic tenets of evolution: that small mutations add up to successful adaptation through unguided processes. Video, 17:02.