The most significant phenomenon to impact black churches in this century has been migration to the cities. (religion-online.org)
This proof - of - concept development is the result of the Doherty Group's expertise with crystallization processes coupled with the Peters Group's expertise in «rare events» — relatively infrequent and short - lived but highly significant phenomena (such as reactions) that fundamentally change the state of the system. (sciencedaily.com)
Writing in his journal about the scientists of his era, Henry David Thoreau bemoaned their blindness to significant phenomena: «The question is not what you look at, but what you see.» (sciencedaily.com)