He adds that the newer version has a shorter launch time, better deterrent capability, and that it is a two-stage rocket using solid fuel that is highly maneuverable.

VOA: standard.2009.12.18

A newer version of this that works in a similar way but a different way is called RNA interference, and it turns out that this is a natural mechanism that cells have.

NA干扰是这类方法的新秀,它的原理与其大同小异,已经证实 这是细胞的自然机制

耶鲁公开课 - 生物医学工程探索课程节选