There are some religious people who teach that, according to Moses, the universe was created in 6 days, and that any evidence from evolutionary biologists can be dismissed because evolution is just a theory. This is, in my view, based on a gross misunderstanding of what the Book of Genesis is actually saying but setting this aside, let’s examine the ‘it is just a theory’ argument.

Is evolution just a theory?

Wikipedia –  A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.

Dictionary.com – The Scientific Theory of Evolution: coherent group of propositions formulated to explain a group of factor phenomena in the natural world and repeatedly confirmed through experiment or observation. (more…)