[sfem]

You could always see if the wikipedia entry for chimera makes more sense to you.

It's a potentially interesting area of research although restrictions on human experimentation will likely keep us from learning too much about how it might relate to folks like us for a long time. I'd like to think I'm overly pessimistic, but since I also don't see how there is money to be made from the research, I'm guessing my pessimism might be warranted.