Canadians should express themselves through their own symbols, not through barely understood American ones – and certainly not through a flag that is irrevocably marked by human bondage.

He recently edited a collection of essays on the subject, Human Enhancement, and in an e-mail exchange explained why our future holds great promise — and grave danger.

This is the frontlines of the Human Enhancement Revolution -- we now know enough about biology, neuroscience, computing, robotics, and materials to hack the human body, reshaping it in our own image.

Philosophers of human enhancement shouldn’t succumb to a Wall Street epistemology in which we base our claims about the future on pitches of today’s most successful technology entrepreneurs.

Any moral enhancement proposals must consider the impact on the person, their character and sense of self. Additionally, there are concerns around autonomy, personal freedom and the possibility of ...

He is the author of Humanity’s End: Why We Should Reject Radical Enhancement, Truly Human Enhancement: A Philosophical Defense of Limits, and How to Be Human in the Digital Economy.

Serious human enhancement sounds like science fiction. But there is no reason to think it is impossible. If and when real advances turn up, the world could change very quickly.