This aversity to double-stranded RNA means short hairpins can be used to knock out the messengers, thus nullifying the signal from the underlying gene.
But he had just heard something from Standish which, while it justified these surmises about Will, offered a means of nullifying all danger with regard to Dorothea.
Yet while American insurgents are out gunned by the American military, they can take advantage of asymmetrical tactics to all but nullify the US military's overwhelming firepower.