The typical imperative from biology is not "Thou shalt... ," but "If ... then ... else.

The doctrine of the sacredness of the soul sounds vaguely uplifting, but in fact is highly malignant. It discounts life on earth as just a temporary phase that people pass through, indeed, an infinitesimal fraction of their existence…the gradual replacement of lives for souls as the locus of moral value was helped along by the ascendency of skepticism and reason

Paris Hilton, it turns out, is related to fellow celebrity jailbirds Zsa Zsa Gabor and G. Gordon Liddy.

Forcing modern speakers of English to not - whoops, not to split an infinitive because it isn't done in Latin makes about as much sense as forcing modern residents of England to wear laurels and togas.

I suspect music is auditory cheesecake, an exquisite confection crafted to tickle the sensitive spots of... our mental faculties.

I don't think aggression works like thirst or sleep. I think aggression is more elicited by particular situations. I think it can be mitigated.

So no, it's not all in the genes, but what isn't in the genes isn't in the family environment either. It can't be explained in terms of the overall personalities or the child-rearing practices of parents.