There has been a lot of talk recently about various aspects of artificial life - artificial intelligence, sentient machines, computers gaining self-awareness, and so on. It seems self-evident that we can easily distinguish between living and non-liv
One of the basic problems we face in talking about sex, is that we may be trying to talk about vastly different things. At the very least, we can distinguish between these three kinds: physical mechanism (the process of reproduction); social roles a
