I do have a small collection of traditional SF ideas which I've never been able to sell. I'm known as a fantasy writer and neither my agent nor my editors want to risk my brand by jumping genre. ↗
It's so logical and so simple. Fat is the backup fuel system. The role it plays in the body is that when there's no carbohydrate around, fat will become the primary energy fuel. That's pretty well known. ↗
I do very few standards. Hardly any. Other people's tunes that I do are usually obscure tunes, for the most part, although I do a couple of Duke Ellington tunes that are well known. ↗
On this narrow planet, we have only the choice between two unknown worlds. One of them tempts us - ah! what a dream, to live in that! - the other stifles us at the first breath. ↗