Computer models, observations inside a cell reveal RNA's interesting "machines"

DNA stores the information of life, proteins provide the action, and in between sits elusive RNA, which serves both as a database of information and as a molecular machine.

http://www.rdmag.com/news/2013/12/computer-models-observations-inside-cell-reveal-rna%E2%80%99s-interesting-%E2%80%9Cmachines%E2%80%9D