Changes

:*The [[Germ Theory of Disease]] - The '''scientific theory''' that many [[disease]]s are caused by [[micro-organism]]s.

:*The [[Heliocentric Theory]] - The '''scientific theory''' that the [[Sun]] is at the centre of [[The Solar System]].

:*The Theory of [[Evolution by Natural Selection]] - That [[population]]s [[evolve]] new [[adaptation]]s over time due to the natural environment.