Douglas Hofstadter argued in much the same vein as Henry Markham, that the brain can be understand in rules-bound machine terms.
Cloning a human being is a terrifying prospect, from a moral perspective, and seems inevitable.
Further requirements could be listed, including some even more horrific than cloning.
A premise here is that abstract thought is a unique human endowment, so our colleague Wesley Smith will also find this of interest as a scientific test of human exceptionalism.
The materialist idea that you are “all body” — nothing but matter — is hardly more dangerous than the opposite idea, that you are “all spirit.”