On Tue, May 13, 2014 at 10:45:12PM -0400, Richard Aiken wrote:
> WD-40 as the basis for blood and other body fluids?

I don't think WD-40 contains much in the way of silicon-based
compounds, but some other lubricants do.  Di- and tri-methicones are
especially common.

> But - of course - that assumes that such armored structures are what
> silicon organisms would have.

I don't see any particular reason why they would, apart from a
tendency in fiction toward "silicon occurs mostly in rocks on Earth,
therefore anything with silicon in it must be hard and rocky".

- Tim