Charles Darwin

How Vestigial Organs Work

Darwin asserted that seemingly useless organs and behaviors are left over from our evolutionary history. But as more are found to have a function, the idea has become a flashpoint for the battle between science and religion.

How Natural Selection Works

While evolution gets all the spotlight for moving species into better versions of themselves, but really it's natural selection that is the engine driving the process. Learn all about this elegant scientific observation that forms the basis of life.

How Charles Darwin Worked

Charles Darwin wasn't the first or only scientist to grasp the theory of evolution through natural selection, but he became its father and icon. Learn about the man who reluctantly but bravely became the source of the divide between religion and science.