History is not going to look kindly on us if we just keep our head in the sand on armed autonomous robotics issue because it sounds too science fiction.

With the eventual acceptance of Darwin's theory we reach a modern understanding of nature, one which has since then changed in detail rather than in fundamentals. Only those who prefer religious faith to beliefs based on reasoning and evidence can still maintain that the human species is the special darling of the entire universe, or that other animals were created to provide us with food, or that we have divine authority over them, and divine permission to kill them.

Knowing that we can control our own behaviour makes it more likely that we will.

Becoming a vegan is a sure way of completely avoiding participation in the abuse of farmed animals. Vegans are a living demonstration of the fact that we do not need to exploit animals for food.

I do not believe that it could never be justifiable to experiment on a brain-damaged human.

If we ever do find a better system, I'll be happy to call myself an anti-capitalist.

Killing a defective infant is not morally equivalent to killing a person. Sometimes it is not wrong at all.