I'm guessing you mean W-h there
But how can you subtract hours from watts?
Also, you don't need half a whiteboard to write the full name of a type.
Poke all the holes you want/can in evolutionary theory -- it won't improve the alternative theories at all.
what is the normal temp supposed to be
There is no "supposed to be." Supposed to be according to whom?
Maybe what you mean is "what is the temperature compared to what it would have been without humans?" If so, the answer is clear if not precise: warmer.
There are no good biometric systems because keys can't be revoked.
That's not a flaw, it's a feature. And it's not a key, it's an ID.
I agree that it is strangely likely that we will "invent" AI without really understanding how it works. There are a few ways that that could happen. But if it happens that way we can't really claim to have "figured it out." Maybe we could ask it how it works
By the way, I didn't mean to sound so critical of Dennett's book -- I loved it. Anyone interested in the subject should read it. Come to think of it, I'd recommend just about anything he's written.