Recently, a more sophisticated explanation has emerged, one that casts those deficiencies not as signs of failure but as unavoidable steps in the course of reform. (educationnext.org)
It shows signs of failure because it is missing another key molecule in mitochondrial quality control. (source.wustl.edu)
Research indicates that the first sign of a failure in marriage is a lack of respect between the two parties. (nakedpastor.com)