Piwi, a brown kiwi who lived near a volcano, had a rough couple of months back in 2010, but people are still rejoicing in his recovery. In December 2009, the North Island brown kiwi was found near Mt.
PIWI-interacting RNAs (piRNAs) are a distinct class of small non-coding RNAs that protect the integrity of the genome by silencing transposable elements in both germline and gonadal somatic cells.