He had been an ardent true believer in Darwinian doctrine until his investigative instincts kicked in one day. After 20 years of studying and writing about evolution, he suddenly realised that there were many disconcerting holes in the theory. He decided to try to allay his doubts and prove the theory to himself by using the standard methods of investigative journalism. Milton became a regular visitor to London's famed Natural History Museum. He painstakingly put every main tenet and classic proof of Darwinism to the test. The results shocked him. He found that the theory could not even stand up to the rigours of routine investigative journalism. The veteran science writer took a bold step and published a book titled The Facts of Life: Shattering the Myths of Darwinism. It is clear that the Darwinian myth had been shattered for him, but many moremyths about science would also be crushed after his book came out. Milton says: