Piwi‐interacting RNAs (piRNAs) represent a specialised class of small non‐coding RNAs, typically 21–35 nucleotides in length, that associate with Piwi clade proteins to govern gene expression, ...
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.