1.   Only one fertile Genestealer needed to remain alive in hiding to undo all the good work within a few Decades.

2.   Usually musical traditions remain alive only if they are thriving, writing them down tends to ossify them and hasten their end.

3.   When the temperature drops they become dormant but remain alive.

4.   The mouse is bred with the genetic defect but remains alive, enabling potential cures to be tested out on it.

5.   Although complex negotiations with the various parties controlling the building have repeatedly bogged down, they evidently remain alive.

6.   An epic must flow to remain alive.

7.   And as the banyan tree sprouts new branches, even its oldest, most obscure ones remain alive.

8.   And Cleveland remains alive.

9.   And publicity will help at least those children who remain alive.